Replenix Enriched Nighttime Bio-Therapy

Replenix Enriched Nighttime Bio-Therapy

Efficacy100/100IrritancyMedium
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Works for

3 of 3 advertised claims delivered

Anti-aging
Niacinamide, Resveratrol + 1 more
Strong evidence
What the product description says
“Biomimetic Ceramide Complex provides nourishment to help repair the skin barrier, improving elasticity and texturePeptides complement the skin‰Ûªs nightly renewal functions and target wrinklesHyaluronic Acid penetrates skin to deeply moisturize and forms a protective barrier on skin‰Ûªs surface, locking moisture inNiacinamide supports healthy collagen production improving the appearance of fine lines and wrinkles, helps brighten discoloration over time, and promotes healthy texture and even skin toneStem Cells promote softness, firmness and elasticityAntioxidants combat environmental damage and soothe the skinWho is this for?Ideal for dry skin types.”
Source: SkincareRX

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

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: resveratrol, tetrapeptide-21.

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~1.6–1.9%
ResveratrolKey activeEffect: MediumHelps neutralize free radicals in skin and might help reduce fine lines and wrinkles, as well as even out the skin tone~0.2–0.4%
Tetrapeptide-21Key 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%
Moisturizing
Ceramide np, Niacinamide + 20 more
Strong evidence
What the product description says
“Biomimetic Ceramide Complex provides nourishment to help repair the skin barrier, improving elasticity and texturePeptides complement the skin‰Ûªs nightly renewal functions and target wrinklesHyaluronic Acid penetrates skin to deeply moisturize and forms a protective barrier on skin‰Ûªs surface, locking moisture inNiacinamide supports healthy collagen production improving the appearance of fine lines and wrinkles, helps brighten discoloration over time, and promotes healthy texture and even skin toneStem Cells promote softness, firmness and elasticityAntioxidants combat environmental damage and soothe the skinWho is this for?Ideal for dry skin types.”
Source: SkincareRX

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: glycerin, sodium hyaluronate.

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: dimethicone, cholesterol.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: ceramide 2, ceramide ap, ceramide eop, ceramide np, niacinamide, phytosphingosine, tetrapeptide-21

Ceramide npHero· EmollientEffect: HighA type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin~0.6–0.85%
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~1.6–1.9%
PhytosphingosineHero· EmollientEffect: HighA type of lipid that is naturally present in skin. It might help in repairing skin barrier function and has anti-bacterial effect~0.45–0.65%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~1.4–1.7%
Tetrapeptide-21HeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.4%
Ceramide 2Hero· EmollientEffect: HighA type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin~0.4–0.65%
Ceramide apHeroEffect: HighA type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin~0.45–0.7%
Ceramide eopHero· EmollientEffect: HighA type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin~0.45–0.7%
CholesterolKey active· EmollientEffect: HighAn emollient that is naturally found in skin~0.45–0.65%
DimethiconeKey active· Emollient, OcclusiveEffect: HighA silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish~3.1–3.8%
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~4.6–5.7%
Hydrolyzed sodium hyaluronateKey activeEffect: HighAttracts water into the upper layer of the skin~1.1–1.4%
Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~1–1.3%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~0.25–0.45%
C12-15 alkyl benzoateKey active· EmollientEffect: MediumEnhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth~2.3–2.8%
C13-14 isoparaffin· EmollientEffect: LowHelps soften the upper layer of the skin, dissolve other ingredients and create a thicker product consistency~0.3–0.55%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.15–0.3%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.25–0.45%
Hydrogenated polyisobutene· Emollient, OcclusiveEffect: LowUsed to improve the product consistency and soften the upper layer of the skin~2–2.4%
Behenyl alcohol· Emollient, OcclusiveEffect: LowNon-drying alcohol that helps water and oil mix together. Also serves as an emollient~0.25–0.45%
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~3.8–4.7%
LecithinEffect: Low, below effective doseUsed mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin~0.25–0.45%
Evens skin tone
Niacinamide, Resveratrol
Strong evidence
What the product description says
“Biomimetic Ceramide Complex provides nourishment to help repair the skin barrier, improving elasticity and texturePeptides complement the skin‰Ûªs nightly renewal functions and target wrinklesHyaluronic Acid penetrates skin to deeply moisturize and forms a protective barrier on skin‰Ûªs surface, locking moisture inNiacinamide supports healthy collagen production improving the appearance of fine lines and wrinkles, helps brighten discoloration over time, and promotes healthy texture and even skin toneStem Cells promote softness, firmness and elasticityAntioxidants combat environmental damage and soothe the skinWho is this for?Ideal for dry skin types.”
Source: SkincareRX

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: resveratrol.

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~1.6–1.9%
ResveratrolEffect: LowHelps neutralize free radicals in skin and might help reduce fine lines and wrinkles, as well as even out the skin tone~0.2–0.4%
Anti-oxidation
Not advertised by the brand · Resveratrol, Caffeine + 1 more
Strong evidence

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

ResveratrolKey activeEffect: HighHelps neutralize free radicals in skin and might help reduce fine lines and wrinkles, as well as even out the skin tone~0.2–0.4%
CaffeineEffect: LowMight be helpful in neutralizing free radicals. Can have a dehydration effect that might somewhat decrease the look of puffy eyes~0.2–0.35%
Tocopheryl acetateEffect: Low, below effective doseA more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.~0.25–0.4%
Anti-blemish
Not advertised by the brand · Niacinamide, Phytosphingosine
Good evidence

This product might be able to help reduce blemishes and clogged pores because it contains 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~1.6–1.9%
PhytosphingosineEffect: LowA type of lipid that is naturally present in skin. It might help in repairing skin barrier function and has anti-bacterial effect~0.45–0.65%

Can it cause trouble?

Irritancy
11 flagged ingredients
Medium risk
We flagged 11 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Cetearyl glucosideHelps water and oil in the product mix well together and improves product textureMedium~0.65–1%est.
Sodium lauroyl lactylateHelps water and oil mix togetherMedium~0.3–0.6%est.
PolyacrylamideUsed to improve product texture and help oil and water mix togetherMedium~0.3–0.55%est.
Laureth-7Helps oil and water mix togetherMedium~0.25–0.45%est.
Tocopheryl acetateA more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.Medium~0.25–0.4%est.
ResveratrolHelps neutralize free radicals in skin and might help reduce fine lines and wrinkles, as well as even out the skin toneMedium~0.2–0.4%est.
CaffeineMight be helpful in neutralizing free radicals. Can have a dehydration effect that might somewhat decrease the look of puffy eyesMedium~0.2–0.35%est.
Sorbic acidA preservativeMedium~0.1–0.25%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.15–0.3%est.
Potassium hydroxideUsed to adjust the pH level of productsMedium~0.1–0.25%est.
Disodium edtaStabilizes the product formulationMedium~0.05–0.1%est.
Comedogenic
1 ingredient rated 2 or more on the 0–5 pore-clogging scale
1 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~1–1.3%est.
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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~4.6–5.7%
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
Butylene glycol~3.8–4.7%
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
Dimethicone~3.1–3.8%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish

More about Dimethicone
C12-15 alkyl benzoate~2.3–2.8%
Key active
Irritation risk
Low
Works for
Moisturizing

Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth

More about C12-15 alkyl benzoate
Hydrogenated polyisobutene~2–2.4%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to improve the product consistency and soften the upper layer of the skin

More about Hydrogenated polyisobutene
Niacinamide~1.6–1.9%
Hero · Moisturizing, Anti-blemish
Irritation risk
Low
Works for
Evens skin toneAnti-agingMoisturizingAnti-blemishReduces irritationAnti-inflammatoryAntibacterialReduces 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
Sodium hyaluronate~1.4–1.7%
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
Hydrolyzed sodium hyaluronate~1.1–1.4%
Key active
Irritation risk
Low
Works for
Moisturizing

Attracts water into the upper layer of the skin

More about Hydrolyzed sodium hyaluronate
Cetearyl alcohol~1–1.3%
Key activeComedogenic 2/5
Irritation risk
Low
Comedogenicity
2/5
Works for
CleansingMoisturizing

A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture

More about Cetearyl alcohol
Cetearyl glucoside~0.65–1%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil in the product mix well together and improves product texture

More about Cetearyl glucoside
Ceramide np~0.6–0.85%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingReduces irritationAnti-inflammatory

A type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin

More about Ceramide np
Ceramide ap~0.45–0.7%
Hero · Moisturizing
Irritation risk
Low
Works for
Reduces irritationMoisturizingAnti-inflammatory

A type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin

More about Ceramide ap
Ceramide eop~0.45–0.7%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingReduces irritationAnti-inflammatory

A type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin

More about Ceramide eop
Ceramide 2~0.4–0.65%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-inflammatory

A type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin

More about Ceramide 2
Phytosphingosine~0.45–0.65%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryAnti-blemish

A type of lipid that is naturally present in skin. It might help in repairing skin barrier function and has anti-bacterial effect

More about Phytosphingosine
Cholesterol~0.45–0.65%
Key active
Irritation risk
Low
Works for
MoisturizingCleansing

An emollient that is naturally found in skin

More about Cholesterol
Sodium lauroyl lactylate~0.3–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Sodium lauroyl lactylate
Polyacrylamide~0.3–0.55%
Irritant · medium
Irritation risk
Medium

Used to improve product texture and help oil and water mix together

More about Polyacrylamide
C13-14 isoparaffin~0.3–0.55%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin, dissolve other ingredients and create a thicker product consistency

More about C13-14 isoparaffin
Laureth-7~0.25–0.45%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Laureth-7
Tocopheryl acetate~0.25–0.4%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.

More about Tocopheryl acetate
Camellia sinensis polyphenols~0.2–0.35%
Formula
Malus domestica fruit cell culture extract~0.2–0.35%
Formula
Peg-40 stearate~0.2–0.4%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Peg-40 stearate
Stearyl alcohol~0.25–0.4%
Formula
Irritation risk
Low
Works for
Cleansing

An emollient that helps soften the skin

More about Stearyl alcohol
Behenyl alcohol~0.25–0.45%
Formula
Irritation risk
Low
Works for
Moisturizing

Non-drying alcohol that helps water and oil mix together. Also serves as an emollient

More about Behenyl alcohol
Cetyl alcohol~0.25–0.45%
Key active
Irritation risk
Low
Works for
CleansingMoisturizing

A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together

More about Cetyl alcohol
Tetrapeptide-21~0.2–0.4%
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 Tetrapeptide-21
Resveratrol~0.2–0.4%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationAnti-agingEvens skin tone

Helps neutralize free radicals in skin and might help reduce fine lines and wrinkles, as well as even out the skin tone

More about Resveratrol
Caffeine~0.2–0.35%
Irritant · medium
Irritation risk
Medium
Works for
De-puffingAnti-oxidation

Might be helpful in neutralizing free radicals. Can have a dehydration effect that might somewhat decrease the look of puffy eyes

More about Caffeine
Lecithin~0.25–0.45%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Used mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin

More about Lecithin
Glyceryl stearate~0.25–0.45%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together

More about Glyceryl stearate
Xanthan gum~0.2–0.35%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Carbomer~0.15–0.3%
Formula
Irritation risk
Low
Works for
Cleansing

Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations

More about Carbomer
Phenoxyethanol~0.15–0.25%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Sorbic acid~0.1–0.25%
Irritant · medium
Irritation risk
Medium

A preservative

More about Sorbic acid
Caprylyl glycol~0.15–0.3%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Potassium hydroxide~0.1–0.25%
Irritant · medium
Irritation risk
Medium

Used to adjust the pH level of products

More about Potassium hydroxide
Titanium dioxide~0.1–0.15%
Formula
Irritation risk
Low
Works for
Sun protection

Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin

More about Titanium dioxide
Disodium edta~0.05–0.1%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Ingredient list view

Water, Glycerin, Butylene glycol, Dimethicone, C12-15 alkyl benzoate, Hydrogenated polyisobutene, Niacinamide, Sodium hyaluronate, Hydrolyzed sodium hyaluronate, Cetearyl alcohol, Cetearyl glucoside, Ceramide np, Ceramide ap, Ceramide eop, Ceramide 2, Phytosphingosine, Cholesterol, Sodium lauroyl lactylate, Polyacrylamide, C13-14 isoparaffin, Laureth-7, Tocopheryl acetate, Camellia sinensis polyphenols, Malus domestica fruit cell culture extract, Peg-40 stearate, Stearyl alcohol, Behenyl alcohol, Cetyl alcohol, Tetrapeptide-21, Resveratrol, Caffeine, Lecithin, Glyceryl stearate, Xanthan gum, Carbomer, Phenoxyethanol, Sorbic acid, Caprylyl glycol, Potassium hydroxide, Titanium dioxide, Disodium edta

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Amazon USPrice as of 10/27/2026 15:00 GMT
$98.00
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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
ReplenixEnriched Nighttime Bio-TherapyYOUR PRODUCTKey SoulcareSKIN TRANSFORMATION CREAM FRAGRANCE FREEDermaticaNourishing Ceramide + PeptidesAgencyCloud Care Weightless Whipped Moisturizer
Match—85%85%85%
Price$98.00—$21.32−$76.68—
Shared key ingredients—9 of 149 of 149 of 14
Key difference—BakuchiolPalmitoyl Tetrapeptide-7Panthenol
Irritancy Medium Low Low Low
Drying alcohol————
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Product summary

"Replenix - Enriched Nighttime Bio-Therapy" is a well-rounded moisturizing product. The formulation is based on a combination of good humectants and emollients. Both are needed to increase the skin hydration level. Glycerin, sodium hyaluronate, butylene glycol and caprylyl glycol in this product (humectants) attract water molecules to the upper layer of the skin (the water comes from the outside air or from the deeper layers of the skin if the air is dry). Emollients in this formulation (ceramide 2, ceramide eop, ceramide np, phytosphingosine and cholesterol) help to reduce the moisture loss from the skin. They also soften the skin surface and relieve the feeling of dryness and tightness.

Ingredient callouts

  • As a plus, this moisturizer also contains ceramides (phytosphingosine 0.45% - 0.65%, ceramide np 0.60% - 0.85%, ceramide eop 0.45% - 0.70%, ceramide ap 0.45% - 0.70% and ceramide 2 0.40% - 0.65%). Ceramides are a type of lipids that our skin produces itself. They are a building block of the skin's barrier. Ceramides used in skincare are synthetic or extracted from plants. They work well for softening the skin surface and "patch holes" in the skin's barrier.
  • This moistruizer also contains peptides (tetrapeptide-21 0.20% - 0.40%). Peptides is a very big group of ingredients. They all consist of a different combination of amino-acids. Our skin produces peptides naturally. Some of them work as natural anti-biotics, promote wound-healing and production of collagen. The scientists are still studying how effective the topical application of peptides is, but it is very likely that peptides in skincare are helpful. They might be able to support skin barrier restoration and even have an anti-aging benefit. At the very least, they certainly help attract water to the skin and support the hydration in this way.

Irritation risk

This product does not contain known common irritants and is suitable for sensitive skin. We assess the overall irritancy of this moisturizer to be medium. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

Price

The product retails for 95.00$ in the United States.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 18 studies and safety reviews.

  1. 1
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  6. 6
Replenix Enriched Nighttime Bio-Therapy
ReplenixEnriched Nighttime Bio-Therapy

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As an Amazon Associate, WIMJ earns from qualifying purchases.