What's In My Jar
Saya Super Serum
Saya

Saya Super Serum

Efficacy50/100IrritancyHigh
See all ingredients

Works for

Anti-aging
Ascorbyl glucoside, Aloe barbadensis leaf juice + 1 more
May help
What the product description says
“One of the most powerful anti-ageing ingredients, lipopeptide ChroNoline™, boosts collagen production and hyaluronic acid within the layers of the skin, maintaining skin cohesion to reduce the appearance of skin decline.”
Source: Materiae

This product contains ascorbyl glucoside. This ingredient might be able to help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness, but there is not enough evidence that it actually works.

Ascorbyl glucosideKey activeEffect: MediumA 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~4.6–6.9%
Aloe barbadensis leaf juiceEffect: LowTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~23–34%
GluconolactoneUnder-dosedA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.45–1.05%
Moisturizing
Glycerin, Sodium hyaluronate + 3 more
Works
What the product description says
“Boosted with a high performance B complex, including B5 (Pathenol) and B7 (Biotin) and B2 (Riboflavin) to deeply hydrate, assist with collagen production, and increase cell turnover.”
Source: Materiae

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": glycerin, sodium hyaluronate.

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. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).

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~3.9–5.9%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~2.6–3.9%
Aloe barbadensis leaf juice· HumectantEffect: LowTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~23–34%
Calcium gluconate· HumectantEffect: LowHelps attract water to the upper layer of the skin and helps to improve appearance of the product~0.15–0.55%
GluconolactoneUnder-dosedA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.45–1.05%
Anti-blemish
Gluconolactone ~0.45–1.05%, below the ~1% it needs
Under-dosed
What the product description says
“It’s the answer to replenishing dry, damaged and acne-prone skin.”
Source: Materiae

Effective ingredients missing or their concentration is too low.

Aloe barbadensis leaf juiceEffect: LowTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~23–34%
GluconolactoneUnder-dosedA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.45–1.05%
Anti-oxidation
Side benefit · Ascorbyl glucoside, Terminalia ferdinandiana fruit extract + 1 more
May help

This product contains antioxidants (ascorbyl glucoside) that might be able to help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is not enough evidence to confirm their effectiveness in skin though.

Ascorbyl glucosideKey activeEffect: MediumA 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~4.6–6.9%
Terminalia ferdinandiana fruit extractEffect: LowA plant extract that might have some anti-oxidant effect in skin, but evidence is lacking~1.9–2.8%
GluconolactoneUnder-dosedA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.45–1.05%
Evens skin tone
Side benefit · Ascorbyl glucoside, Gluconolactone
May help

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: ascorbyl glucoside.

Ascorbyl glucosideKey activeEffect: MediumA 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~4.6–6.9%
GluconolactoneUnder-dosedA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals~0.45–1.05%

Can it cause trouble?

Irritancy
4 strong irritants: Microcitrus australis fruit extract, Microcitrus australasica fruit extract + 2 more — patch-test recommended
High risk
We flagged 12 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Microcitrus australis fruit extract—High~1.4–2.1%est.
Microcitrus australasica fruit extractMost likely used for its fragrance. Can be irritating and lead to photosensitivityHigh~1.1–1.6%est.
Citrus glauca fruit extract—High~1–1.5%est.
Rosa damascena extractOil of a very fragrant pink rose used as fragrance in cosmetics. Extensive research has shown it has mixed benefits. In the pro column, inhaling this flower’s scent seems to have relaxing properties and the plant’s petals contain skin-soothing and antioxidant compounds that can benefit skin. On the flipside, the numerous chemicals that create this rose’s distinctive fragrance pose a risk of causing skin aggravation.High~1–1.5%est.
Aloe barbadensis leaf juiceTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skinMedium~23–34%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~4.6–6.9%est.
Sodium citrateHelps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve productsMedium~3.6–5.4%est.
Terminalia ferdinandiana fruit extractA plant extract that might have some anti-oxidant effect in skin, but evidence is lackingMedium~1.9–2.8%est.
GoldA colorant. Does not have any proven benefits in skinMedium~0.8–1.25%est.
GluconolactoneA polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicalsMedium~0.45–1.05%est.
Potassium sorbateA preservativeMedium~0.3–0.6%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.1–0.3%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged
Alternatives
Cheaper, or higher on efficacy
Age-Adapt Night Concentrate
SkinPointEight Age-Adapt Night Concentrate
Higher efficacy · 75/10068% match
$372.59
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Indie Lee Stem Cell Serum
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Ingredients

Filter by role to see what each ingredient is doing.

Aloe barbadensis leaf juice~23–34%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAntibacterialAnti-inflammatoryReduces rednessReduces irritationAnti-blemishAnti-aging

Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin

More about Aloe barbadensis leaf juice
Glycerin~3.9–5.9%
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
Ascorbyl glucoside~4.6–6.9%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-agingAnti-oxidationEvens 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
Sodium citrate~3.6–5.4%
Irritant · medium
Irritation risk
Medium

Helps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve products

More about Sodium citrate
Sodium hyaluronate~2.6–3.9%
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
Terminalia ferdinandiana fruit extract~1.9–2.8%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A plant extract that might have some anti-oxidant effect in skin, but evidence is lacking

More about Terminalia ferdinandiana fruit extract
Microcitrus australis fruit extract~1.4–2.1%
Irritant · high
Irritation risk
High
More about Microcitrus australis fruit extract
Microcitrus australasica fruit extract~1.1–1.6%
Irritant · high
Irritation risk
High

Most likely used for its fragrance. Can be irritating and lead to photosensitivity

More about Microcitrus australasica fruit extract
Citrus glauca fruit extract~1–1.5%
Irritant · high
Irritation risk
High
More about Citrus glauca fruit extract
Rosa damascena extract~1–1.5%
Irritant · high
Irritation risk
High

Oil of a very fragrant pink rose used as fragrance in cosmetics. Extensive research has shown it has mixed benefits. In the pro column, inhaling this flower’s scent seems to have relaxing properties and the plant’s petals contain skin-soothing and antioxidant compounds that can benefit skin. On the flipside, the numerous chemicals that create this rose’s distinctive fragrance pose a risk of causing skin aggravation.

More about Rosa damascena extract
Barklya syringifolia (crown of
Not recognized
Gold~0.8–1.25%
Irritant · medium
Irritation risk
Medium

A colorant. Does not have any proven benefits in skin

More about Gold
Rosa damascena extract~0.55–1.3%
Irritant · high
Irritation risk
High

Oil of a very fragrant pink rose used as fragrance in cosmetics. Extensive research has shown it has mixed benefits. In the pro column, inhaling this flower’s scent seems to have relaxing properties and the plant’s petals contain skin-soothing and antioxidant compounds that can benefit skin. On the flipside, the numerous chemicals that create this rose’s distinctive fragrance pose a risk of causing skin aggravation.

More about Rosa damascena extract
Gluconolactone~0.45–1.05%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
ExfoliationMoisturizingAnti-agingEvens skin toneAnti-oxidationAnti-blemish

A polyhydroxy acid (PHA) that helps shed the dead cells from the skin surface revealing smoother skin. Is believed to be genter than AHAs. It helps attract water to the upper layer of the skin and can stimulate production of skin's own hyaluronic acid resulting in improved hydration levels. It has been shown to be helpful against acne and clogged pores if used consistently (e.g over a period of 12 weeks) in high enough concentration. It can help reduce fine lines and wrinkles and improve skin tone with long-term application. Can help neutralize free radicals

More about Gluconolactone
Potassium sorbate~0.3–0.6%
Irritant · medium
Irritation risk
Medium

A preservative

More about Potassium sorbate
Sclerotium gum~0.3–0.75%
Formula
Irritation risk
Low

Used to create gel-like formulas and stabilize emulsions

More about Sclerotium gum
Xanthan gum~0.15–0.65%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Sodium benzoate~0.1–0.5%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Calcium gluconate~0.15–0.55%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin and helps to improve appearance of the product

More about Calcium gluconate
Citric acid~0.1–0.3%
Irritant · medium
Irritation risk
Medium

Can work as an exfoliant but is typically used to adjust the product pH

More about Citric acid
Ingredient list view

Aloe barbadensis leaf juice, Glycerin, Ascorbyl glucoside, Sodium citrate, Sodium hyaluronate, Terminalia ferdinandiana fruit extract, Microcitrus australis fruit extract, Microcitrus australasica fruit extract, Citrus glauca fruit extract, Rosa damascena extract, Unknown, Gold, Rosa damascena extract, Gluconolactone, Potassium sorbate, Sclerotium gum, Xanthan gum, Sodium benzoate, Calcium gluconate, Citric acid

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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
SayaSuper SerumYOUR PRODUCTSkinPointEightAge-Adapt Night ConcentrateJack BlackPureScience CBD CBD + HA SerumIndie LeeStem Cell Serum
Match—68%65%65%
Price—$372.59—$119.89
Shared key ingredients—3 of 43 of 42 of 4
Key difference—BetaineCbdNiacinamide
Irritancy High Medium Medium Medium
Drying alcohol————
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 17 studies and safety reviews.

  1. 1
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  2. 2
    The Roles of Vitamin C in Skin Healthncbi.nlm.nih.gov
  3. 3
    Stability, transdermal penetration, and cutaneous effects of ascorbic acid and its derivativesncbi.nlm.nih.gov
  4. 4
    Hyaluronic acid: A key molecule in skin agingncbi.nlm.nih.gov
  5. 5
    Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin careresearchgate.net
  6. 6
    The chemotherapeutic potential of Terminalia ferdinandiana: Phytochemistry and bioactivityncbi.nlm.nih.gov
Saya Super Serum
SayaSuper Serum
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