What's In My Jar
Arencia Red Smoothie Serum 30
Arencia

Arencia Red Smoothie Serum 30

Efficacy100/100IrritancyHigh
See all ingredients

Works for

Anti-aging
Niacinamide, Adenosine + 7 more
Works well
What the product description says
“Enriched with niacinamide and collagen, it enhances skin’s firmness for a youthful glow.”
Source: N/A

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains adenosine, niacinamide.

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: ferulic acid, hexapeptide-2.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~4–4.9%
AdenosineKey activeEffect: HighMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.4–0.6%
Ferulic acidKey activeEffect: MediumA potent anti-oxidant that has been shown to be effective in neutralizing free radicals in skin. There seem to have a synergetic effect of ferulic acid, vitamin E and C, meaning that when the ingredients are used together, they enhance each other's ability protect the skin against free radicals. Ferulic acid also helps to stabilize other ingredients - including vitamins C and E. It can help to even out the skin tone. Ferulic acid is approved for use as a sunscreen ingredient in Japan in concentrations up to 10%~0.25–0.45%
Hexapeptide-2Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.4%
3-o-ethyl ascorbic acidEffect: Low, below effective doseA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~0.2–0.35%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.15–0.25%
Sodium ascorbyl phosphateEffect: Low, below effective doseA stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C~0.15–0.3%
Ascorbic acidUnder-dosedThe most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging~0.15–0.25%
Ascorbyl glucosideUnder-dosedA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~0.15–0.25%
Moisturizing
Not advertised by the brand · Niacinamide, Hexapeptide-2 + 14 more
Works well

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: arginine, glycerin.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: arginine, persea gratissima fruit extract.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: hexapeptide-2, niacinamide

NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~4–4.9%
Hexapeptide-2HeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.4%
GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~5–6.1%
ArginineKey active· Humectant, OcclusiveEffect: HighAn amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin~0.65–1%
AdenosineKey activeEffect: MediumMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.4–0.6%
Glyceryl acrylate/acrylic acid copolymerKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistency~0.3–0.55%
Persea gratissima fruit extractKey active· EmollientEffect: High~0.3–0.55%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.25–0.45%
Saccharomyces/rice ferment filtrateKey active· HumectantEffect: MediumA product of yeast fermentation. Can contain humectants that help attract water to the upper layer of the skin and might help neutralize free oxidants~0.25–0.4%
Soluble collagenKey active· HumectantEffect: HighA typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin~0.2–0.4%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~1.6–2%
Dextrin· HumectantEffect: LowA sugar that is used to stabilize the product formulation. Can help attract water to the upper layer of the skin~0.5–0.8%
BiotinEffect: LowMight have some moisturising properties. Is not effective when applied topically beyond some moisturizing effect~0.2–0.35%
Brassica oleracea acephala leaf extractEffect: Low, below effective doseMight be helpful in neutralizing free radicals in skin but solid research is lacking. Helps attract water to the upper layer of the skin~0.25–0.45%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.15–0.25%
PanthenolUnder-dosedHelps attract water to the upper layer of the skin and can help improve skin barrier function~0.1–0.15%
Evens skin tone
Not advertised by the brand · Niacinamide, Arbutin + 4 more
Works well

This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: niacinamide

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually can help even out the skin tone: arbutin, ferulic acid.

Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~4–4.9%
ArbutinKey activeEffect: MediumBeta-arbutin. Can help to reduce hyperpigmentation and has an anti-oxidant effect when used in high enough concentration. Is less effective compared to alpha-arbutin~3.1–3.8%
Ferulic acidKey activeEffect: MediumA potent anti-oxidant that has been shown to be effective in neutralizing free radicals in skin. There seem to have a synergetic effect of ferulic acid, vitamin E and C, meaning that when the ingredients are used together, they enhance each other's ability protect the skin against free radicals. Ferulic acid also helps to stabilize other ingredients - including vitamins C and E. It can help to even out the skin tone. Ferulic acid is approved for use as a sunscreen ingredient in Japan in concentrations up to 10%~0.25–0.45%
3-o-ethyl ascorbic acidUnder-dosedA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~0.2–0.35%
Ascorbic acidUnder-dosedThe most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging~0.15–0.25%
Ascorbyl glucosideUnder-dosedA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~0.15–0.25%
Anti-blemish
Not advertised by the brand · Niacinamide, Sodium ascorbyl phosphate
Works well

This product can help reduce breakouts and clogged pores because it contains the following ingredient: niacinamide. This ingredient is used for treating acne and can have a noticeable effect.

NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~4–4.9%
Sodium ascorbyl phosphateUnder-dosedA stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C~0.15–0.3%
Anti-oxidation
Not advertised by the brand · Arbutin, Ferulic acid + 12 more
Works well

This product contains antioxidants (ferulic acid) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).

The following ingredients - arbutin, pyridoxine also can have an antioxidant effect, but there is less evidence to confirm their effectiveness in skin.

ArbutinKey activeEffect: MediumBeta-arbutin. Can help to reduce hyperpigmentation and has an anti-oxidant effect when used in high enough concentration. Is less effective compared to alpha-arbutin~3.1–3.8%
Ferulic acidKey activeEffect: HighA potent anti-oxidant that has been shown to be effective in neutralizing free radicals in skin. There seem to have a synergetic effect of ferulic acid, vitamin E and C, meaning that when the ingredients are used together, they enhance each other's ability protect the skin against free radicals. Ferulic acid also helps to stabilize other ingredients - including vitamins C and E. It can help to even out the skin tone. Ferulic acid is approved for use as a sunscreen ingredient in Japan in concentrations up to 10%~0.25–0.45%
PyridoxineKey activeEffect: MediumMight help neutralize free radicals in skin, but evidence of effectiveness in skin is lacking. It might be irritating~0.1–0.15%
AdenosineEffect: LowMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.4–0.6%
Saccharomyces/rice ferment filtrateEffect: LowA product of yeast fermentation. Can contain humectants that help attract water to the upper layer of the skin and might help neutralize free oxidants~0.25–0.4%
Ribes nigrum fruit extractEffect: LowA fruit extract that might have some anti-oxidant effect in skin~0.25–0.5%
Hibiscus sabdariffa flower extractEffect: LowA plant extract that can be irritating. It might contain a compound anthocyanin that could be helpful in neutralizing free radicals~0.2–0.4%
Rosa canina fruit extractEffect: LowA plant extract that might have some anti-oxidant properties, but evidence is lacking~0.2–0.4%
Beta vulgaris root extractEffect: Low, below effective doseA plant extract that might have some antioxidant properties, but mostly used in cosmetics for its color~0.25–0.4%
3-o-ethyl ascorbic acidUnder-dosedA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~0.2–0.35%
TocopherolUnder-dosedPure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.15–0.25%
Ascorbic acidUnder-dosedThe most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging~0.15–0.25%
Ascorbyl glucosideUnder-dosedA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~0.15–0.25%
Sodium ascorbyl phosphateUnder-dosedA stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C~0.15–0.3%

Can it cause trouble?

Irritancy
3 strong irritants: Gardenia florida fruit extract, Rosa gallica flower extract + 1 more — patch-test recommended
High risk
We flagged 18 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Gardenia florida fruit extractUsed as a fragrance. Can be irritating.High~0.55–0.8%est.
Rosa gallica flower extract—High~0.2–0.4%est.
Hibiscus sabdariffa flower extractA plant extract that can be irritating. It might contain a compound anthocyanin that could be helpful in neutralizing free radicalsHigh~0.2–0.4%est.
3-o-ethyl ascorbic acidA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in productsHigh~0.2–0.35%est.
Ascorbic acidThe most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of agingHigh~0.15–0.25%est.
PyridoxineMight help neutralize free radicals in skin, but evidence of effectiveness in skin is lacking. It might be irritatingHigh~0.1–0.15%est.
ArbutinBeta-arbutin. Can help to reduce hyperpigmentation and has an anti-oxidant effect when used in high enough concentration. Is less effective compared to alpha-arbutinMedium~3.1–3.8%est.
MethylpropanediolHelps dissolve other ingredients in a formulationMedium~1.4–1.7%est.
Acrylates/c10-30 alkyl acrylate crosspolymerMaintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix togetherMedium~1–1.2%est.
EthylhexylglycerinA preservativeMedium~0.5–0.75%est.
Polyglyceryl-10 laurateHelps water and oil mix togetherMedium~0.4–0.65%est.
Glyceryl acrylate/acrylic acid copolymerHelps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistencyMedium~0.3–0.55%est.
Ribes nigrum fruit extractA fruit extract that might have some anti-oxidant effect in skinMedium~0.25–0.5%est.
Brassica oleracea acephala leaf extractMight be helpful in neutralizing free radicals in skin but solid research is lacking. Helps attract water to the upper layer of the skinMedium~0.25–0.45%est.
Beta vulgaris root extractA plant extract that might have some antioxidant properties, but mostly used in cosmetics for its colorMedium~0.25–0.4%est.
Rosa canina fruit extractA plant extract that might have some anti-oxidant properties, but evidence is lackingMedium~0.2–0.4%est.
Sodium ascorbyl phosphateA stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin CMedium~0.15–0.3%est.
Ascorbyl glucosideA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in productsMedium~0.15–0.25%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged
Alternatives
Cheaper, or higher on efficacy
Vitamin C Astaxanthin Serum
VT Cosmetics Vitamin C Astaxanthin Serum
Cheaper85% match
$18.47
Vitamin C Brightening Serum
SKIN&LAB Vitamin C Brightening Serum
Cheaper85% match
$13.89
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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Glycerin~5–6.1%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Niacinamide~4–4.9%
Hero · Moisturizing, Anti-blemish
Irritation risk
Low
Works for
Anti-agingAnti-blemishEvens skin toneMoisturizingReduces irritationAntibacterialAnti-inflammatoryReduces redness

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

More about Niacinamide
Arbutin~3.1–3.8%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Evens skin toneAnti-oxidation

Beta-arbutin. Can help to reduce hyperpigmentation and has an anti-oxidant effect when used in high enough concentration. Is less effective compared to alpha-arbutin

More about Arbutin
Propanediol~2.3–2.8%
Formula
Irritation risk
Low

Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin

More about Propanediol
2-hexanol~1.8–2.2%
Formula
Irritation risk
Low
More about 2-hexanol
Butylene glycol~1.6–2%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Methylpropanediol~1.4–1.7%
Irritant · medium
Irritation risk
Medium

Helps dissolve other ingredients in a formulation

More about Methylpropanediol
Ammonium acryloyldimethyltaurate/vp copolymer~1.2–1.4%
Formula
Irritation risk
Low

Increases thickness of a product. Texture enhancer for oil-in-water emulsions

More about Ammonium acryloyldimethyltaurate/vp copolymer
Acrylates/c10-30 alkyl acrylate crosspolymer~1–1.2%
Irritant · medium
Irritation risk
Medium

Maintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix together

More about Acrylates/c10-30 alkyl acrylate crosspolymer
Arginine~0.65–1%
Key active
Irritation risk
Low
Works for
Moisturizing

An amino acid that is naturally present in skin and helps keep it hydrated. When used together with AHAs, it can reduce their irritating effect on the skin

More about Arginine
Gardenia florida fruit extract~0.55–0.8%
Irritant · high
Irritation risk
High

Used as a fragrance. Can be irritating.

More about Gardenia florida fruit extract
Ethylhexylglycerin~0.5–0.75%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Dextrin~0.5–0.8%
Formula
Irritation risk
Low
Works for
Moisturizing

A sugar that is used to stabilize the product formulation. Can help attract water to the upper layer of the skin

More about Dextrin
Adenosine~0.4–0.6%
Key active
Irritation risk
Low
Works for
Anti-agingMoisturizingAnti-oxidation

Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)

More about Adenosine
Polyglyceryl-10 myristate~0.4–0.65%
Formula
Irritation risk
Low
More about Polyglyceryl-10 myristate
Polyglyceryl-10 laurate~0.4–0.65%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Polyglyceryl-10 laurate
Panax ginseng berry extract~0.3–0.6%
Formula
Irritation risk
Low
More about Panax ginseng berry extract
Glyceryl acrylate/acrylic acid copolymer~0.3–0.55%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistency

More about Glyceryl acrylate/acrylic acid copolymer
Persea gratissima fruit extract~0.3–0.55%
Key active
Irritation risk
Low
Works for
Moisturizing
More about Persea gratissima fruit extract
Ribes nigrum fruit extract~0.25–0.5%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A fruit extract that might have some anti-oxidant effect in skin

More about Ribes nigrum fruit extract
Inonotus obliquus extract~0.25–0.45%
Formula
Irritation risk
Low
More about Inonotus obliquus extract
Brassica oleracea acephala leaf extract~0.25–0.45%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Might be helpful in neutralizing free radicals in skin but solid research is lacking. Helps attract water to the upper layer of the skin

More about Brassica oleracea acephala leaf extract
Pvm/ma copolymer~0.25–0.5%
Formula
Irritation risk
Low
More about Pvm/ma copolymer
Saccharomyces/rice ferment filtrate~0.25–0.4%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidation

A product of yeast fermentation. Can contain humectants that help attract water to the upper layer of the skin and might help neutralize free oxidants

More about Saccharomyces/rice ferment filtrate
Sodium hyaluronate~0.25–0.45%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
Ferulic acid~0.25–0.45%
Key active
Irritation risk
Low
Works for
Anti-oxidationEvens skin toneAnti-inflammatoryAnti-aging

A potent anti-oxidant that has been shown to be effective in neutralizing free radicals in skin. There seem to have a synergetic effect of ferulic acid, vitamin E and C, meaning that when the ingredients are used together, they enhance each other's ability protect the skin against free radicals. Ferulic acid also helps to stabilize other ingredients - including vitamins C and E. It can help to even out the skin tone. Ferulic acid is approved for use as a sunscreen ingredient in Japan in concentrations up to 10%

More about Ferulic acid
Beta vulgaris root extract~0.25–0.4%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A plant extract that might have some antioxidant properties, but mostly used in cosmetics for its color

More about Beta vulgaris root extract
Vaccinium vitis-idaea fruit extract~0.25–0.45%
Formula
Irritation risk
Low
More about Vaccinium vitis-idaea fruit extract
Rosa gallica flower extract~0.2–0.4%
Irritant · high
Irritation risk
High
More about Rosa gallica flower extract
Hibiscus sabdariffa flower extract~0.2–0.4%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A plant extract that can be irritating. It might contain a compound anthocyanin that could be helpful in neutralizing free radicals

More about Hibiscus sabdariffa flower extract
Rosa canina fruit extract~0.2–0.4%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A plant extract that might have some anti-oxidant properties, but evidence is lacking

More about Rosa canina fruit extract
Hexapeptide-2~0.2–0.4%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Hexapeptide-2
Soluble collagen~0.2–0.4%
Key active
Irritation risk
Low
Works for
Moisturizing

A typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin

More about Soluble collagen
Hydrolyzed dna~0.2–0.35%
Formula
Irritation risk
Low
More about Hydrolyzed dna
Biotin~0.2–0.35%
Formula
Irritation risk
Low
Works for
Moisturizing

Might have some moisturising properties. Is not effective when applied topically beyond some moisturizing effect

More about Biotin
3-o-ethyl ascorbic acid~0.2–0.35%
Under-dosedIrritant · high
Irritation risk
High
Works for
Anti-oxidationEvens skin toneAnti-aging

A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Can help neutralize free radicals and help reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products

More about 3-o-ethyl ascorbic acid
Sodium ascorbyl phosphate~0.15–0.3%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Anti-blemishAnti-oxidationAnti-aging

A stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C

More about Sodium ascorbyl phosphate
Ascorbic acid~0.15–0.25%
Under-dosedIrritant · high
Irritation risk
High
Works for
Anti-agingEvens skin toneAnti-oxidation

The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging

More about Ascorbic acid
Ascorbyl glucoside~0.15–0.25%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationAnti-agingEvens skin tone

A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products

More about Ascorbyl glucoside
Tocopherol~0.15–0.25%
Under-dosed
Irritation risk
Low
Works for
Anti-oxidationAnti-agingAnti-inflammatoryMoisturizing

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Panthenol~0.1–0.15%
Under-dosed
Irritation risk
Low
Works for
MoisturizingReduces rednessReduces irritation

Helps attract water to the upper layer of the skin and can help improve skin barrier function

More about Panthenol
Pyridoxine~0.1–0.15%
Key activeIrritant · high
Irritation risk
High
Works for
Anti-oxidation

Might help neutralize free radicals in skin, but evidence of effectiveness in skin is lacking. It might be irritating

More about Pyridoxine
Ingredient list view

Water, Glycerin, Niacinamide, Arbutin, Propanediol, 2-hexanol, Butylene glycol, Methylpropanediol, Ammonium acryloyldimethyltaurate/vp copolymer, Acrylates/c10-30 alkyl acrylate crosspolymer, Arginine, Gardenia florida fruit extract, Ethylhexylglycerin, Dextrin, Adenosine, Polyglyceryl-10 myristate, Polyglyceryl-10 laurate, Panax ginseng berry extract, Glyceryl acrylate/acrylic acid copolymer, Persea gratissima fruit extract, Ribes nigrum fruit extract, Inonotus obliquus extract, Brassica oleracea acephala leaf extract, Pvm/ma copolymer, Saccharomyces/rice ferment filtrate, Sodium hyaluronate, Ferulic acid, Beta vulgaris root extract, Vaccinium vitis-idaea fruit extract, Rosa gallica flower extract, Hibiscus sabdariffa flower extract, Rosa canina fruit extract, Hexapeptide-2, Soluble collagen, Hydrolyzed dna, Biotin, 3-o-ethyl ascorbic acid, Sodium ascorbyl phosphate, Ascorbic acid, Ascorbyl glucoside, Tocopherol, Panthenol, Pyridoxine

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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
ArenciaRed Smoothie Serum 30YOUR PRODUCTVT CosmeticsVitamin C Astaxanthin SerumSKIN&LABVitamin C Brightening SerumROVECTINVita Dark Spot Serum
Match—85%85%84%
Price$28.00$18.47−$9.53$13.89−$14.11$17.50−$10.50
Shared key ingredients—8 of 157 of 1511 of 15
Key difference—Ceramide NpRetinolBorago Officinalis Seed Oil
Irritancy High High Medium High
Drying alcohol————
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Product summary

"Arencia - Red Smoothie Serum 30" is effective for: Anti-aging, Moisturizing, Evens skin tone and Anti-blemish

Ingredient callouts

  • A good concentration of Niacinamide (4.00% - 4.90%). Niacinamide is a well-studied multi-tasking active. It is stable, and can work well in almost any hydrating formulation. There is solid evidence that Niacinamide can help support skin barrier, regulate oil production and reduce acne and clogged pores. It also helps to fight photodamage and improve the skin tone, reducing pigmentation marks.
  • This product also contains Vitamin C (Ascorbic Acid). It can be an effective active for anti-aging and evening out the skin tone, but in this product it is used for stabilizing other ingredients in the formulation. In this concentration (0.15% - 0.25%) it cannot have a noticeable benefit for the skin.
  • Peptides (hexapeptide-2 0.20% - 0.40%). There are many different kind of Peptides and they are naturally present in our skin. They all are a combination of aminoacids. Some of them work as natural antibiotics, promote wound-healing and production of collagen. The science is still not settled on how effective Peptides are in skincare, but it is very likely that they have a benefit. They might help restore the skin barrier and fight the signs of aging. At the very least, Peptides work as humectants: they attract water to the upper layer of the skin and improve its hydration.
  • Adenosine 0.40% - 0.60%. It is a compound that in involved in many biological processes inside the skin cells. According one high-quality clinical trial, topical Adenosine in low concentrations can somewhat help improve "deep wrinkles" - the wrinkles that appear with age in places where our faces are most dynamic (for example, on the forehead or in the corners of the eyes).
  • Humectants (soluble collagen 0.20% - 0.40%, sodium hyaluronate 0.25% - 0.45%, glyceryl acrylate/acrylic acid copolymer 0.30% - 0.55%, arginine 0.65% - 1.00% and glycerin 5.00% - 6.10%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 33 studies and safety reviews.

  1. 1
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  2. 2
    Niacinamide - mechanisms of action and its topical use in dermatologyncbi.nlm.nih.gov
  3. 3
    Gehring, W. (2004). Nicotinic acid/niacinamide and the skin. Journal of Cosmetic Dermatology, 3(2), 88–93. doi:10.1111/j.1473-2130.2004.00115.x ncbi.nlm.nih.gov
  4. 4
    Arbutin - Commentatymdedge.com
  5. 5
    TOPICAL TREATMENT OF MELASMAncbi.nlm.nih.gov
  6. 6
    Allergic contact dermatitis from gardenia fruitpubmed.ncbi.nlm.nih.gov
Arencia Red Smoothie Serum 30
ArenciaRed Smoothie Serum 30
Buy on Amazon$28.00 · as of 11/7 09:14 GMT

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

Buy on Amazon$28.00 · as of 11/7 09:14 GMT

As an Amazon Associate, WIMJ earns from qualifying purchases.