CosMedix Resync Revitalizing Night Cream

CosMedix Resync Revitalizing Night Cream

Efficacy100/100IrritancyMedium

Works for

Anti-aging
Lactobionic acid, Lactic acid
Works well
What the product description says
“Help improve the overall appearance of fine lines, dark spots and uneven texture”
Source: Cosmedix

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

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.

Lactobionic acidKey activeEffect: HighA polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity~0.5–0.8%
Lactic acidUnder-dosedAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)~0.05–0.15%
Evens skin tone
Lactobionic acid, Lactic acid
Works well
What the product description says
“Help improve the overall appearance of fine lines, dark spots and uneven texture”
Source: Cosmedix

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

Lactobionic acidKey activeEffect: HighA polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity~0.5–0.8%
Lactic acidUnder-dosedAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)~0.05–0.15%
Moisturizing
Lactobionic acid, Caprylic/capric triglyceride + 14 more
Works well
What the product description says
“Resync is a Revitalizing Night Cream with antioxidant-rich extracts—like Snow Mushroom and Kakudu Plum—that quench skin with long-lasting moisture to help restore radiance and revitalize the look of skin, all while you sleep.”
Source: Cosmedix

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: anhydroxylitol, betaine.

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: caprylic/capric triglyceride, behenyl alcohol.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: lactobionic acid

Lactobionic acidHeroEffect: HighA polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity~0.5–0.8%
Caprylic/capric triglycerideKey active· Emollient, OcclusiveEffect: HighA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~3.2–3.9%
XylitylglucosideKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and repair the skin barrier function~1.7–2.1%
AnhydroxylitolKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and repair the skin barrir function~1.5–1.9%
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~1.1–1.3%
Chlorella vulgaris extractKey activeEffect: MediumA plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties~0.5–0.7%
BetaineKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and improves the product texture~0.45–0.7%
Tremella fuciformis sporocarp extractKey active· HumectantEffect: HighMushroom extract that helps attract water to the upper layer of the skin~0.3–0.55%
GlucoseKey active· HumectantEffect: MediumHelps attract water to the upper layer of the skin. Could be helpful in restoring the skin barrier function~0.15–0.25%
C15-19 alkaneEffect: LowHelps soften the upper layer of the skin and create a nice product texture~4.1–5%
Arachidyl alcohol· EmollientEffect: LowUsed to soften the upper layer of the skin and create a thicker product consistency~2.5–3%
Glyceryl caprylate· EmollientEffect: LowAn emollient that can also help water and oil mix together, as well as prevent bacteria growth in products~0.3–0.6%
Behenyl alcohol· Emollient, OcclusiveEffect: LowNon-drying alcohol that helps water and oil mix together. Also serves as an emollient~0.3–0.55%
Glyceryl undecylenate· EmollientEffect: LowHelps oil and water mix together and helps preserve the product formulation~0.3–0.55%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.25–0.45%
Lactic acidUnder-dosedAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)~0.05–0.15%
Exfoliation
Side benefit · Lactobionic acid, Lactic acid
Works well

This product can help exfoliate the skin. In other words, it helps break down the bonds between dead cells on the surface of the skin and speed up the skin turnover. Skin often appears softer and brighter after exfoliation, but overdoing it can result in disrupted skin barrier. The following ingredient is doing the exfoliating job in this product: lactobionic acid.

Lactobionic acidKey activeEffect: HighA polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity~0.5–0.8%
Lactic acidUnder-dosedAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)~0.05–0.15%
Anti-oxidation
Side benefit · Lactobionic acid, Chlorella vulgaris extract + 2 more
Works well

This product contains antioxidants (lactobionic 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).

Lactobionic acidKey activeEffect: HighA polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity~0.5–0.8%
Chlorella vulgaris extractEffect: LowA plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties~0.5–0.7%
Terminalia ferdinandiana fruit extractEffect: LowA plant extract that might have some anti-oxidant effect in skin, but evidence is lacking~0.4–0.6%
Tremella fuciformis sporocarp extractEffect: LowMushroom extract that helps attract water to the upper layer of the skin~0.3–0.55%

Can it cause trouble?

Irritancy
1 strong irritant: Parfum
Medium risk
We flagged 14 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.15–0.25%est.
MethylpropanediolHelps dissolve other ingredients in a formulationMedium~6.3–7.7%est.
Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinMedium~3.2–3.9%est.
Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymerA gelling agent that thickens the product consistency and leaves the skin with a velvety finishMedium~2–2.4%est.
HydroxyacetophenoneUsed to increase effectiveness of preservativesMedium~0.6–0.95%est.
Lactobionic acidA polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticityMedium~0.5–0.8%est.
Chlorella vulgaris extractA plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory propertiesMedium~0.5–0.7%est.
Terminalia ferdinandiana fruit extractA plant extract that might have some anti-oxidant effect in skin, but evidence is lackingMedium~0.4–0.6%est.
Glyceryl undecylenateHelps oil and water mix together and helps preserve the product formulationMedium~0.3–0.55%est.
1,2-hexanediolA preservativeMedium~0.2–0.4%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.25–0.45%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.15–0.3%est.
Polysorbate 60Helps oil and water mix togetherMedium~0.15–0.25%est.
Lactic acidAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)Medium~0.05–0.15%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
Chlorella vulgaris extractA plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties3/5~0.5–0.7%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
Methylpropanediol~6.3–7.7%
Irritant · medium
Irritation risk
Medium

Helps dissolve other ingredients in a formulation

More about Methylpropanediol
C15-19 alkane~4.1–5%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and create a nice product texture

More about C15-19 alkane
Caprylic/capric triglyceride~3.2–3.9%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin

More about Caprylic/capric triglyceride
Arachidyl alcohol~2.5–3%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to soften the upper layer of the skin and create a thicker product consistency

More about Arachidyl alcohol
Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer~2–2.4%
Irritant · medium
Irritation risk
Medium

A gelling agent that thickens the product consistency and leaves the skin with a velvety finish

More about Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer
Xylitylglucoside~1.7–2.1%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin and repair the skin barrier function

More about Xylitylglucoside
Anhydroxylitol~1.5–1.9%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin and repair the skin barrir function

More about Anhydroxylitol
Arachidyl glucoside~1.3–1.5%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Arachidyl glucoside
Glycerin~1.1–1.3%
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
Propanediol~0.75–1.15%
Formula
Irritation risk
Low

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

More about Propanediol
Hydroxyacetophenone~0.6–0.95%
Irritant · medium
Irritation risk
Medium

Used to increase effectiveness of preservatives

More about Hydroxyacetophenone
Xylitol~0.55–0.8%
Formula
Irritation risk
Low

Helps attract water to the upper layer of the skin and repair the skin barrier function

More about Xylitol
Lactobionic acid~0.5–0.8%
Hero · MoisturizingIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidationAnti-agingExfoliationEvens skin toneAnti-blemishAnti-inflammatory

A polyhydroxy acid (PHA) that helps shed dead cells from the surface of the skin revealing a smoother, more even skin. PHAs tend to be gentler on the skin compared to AHAs (for example, glycolic acid). It also has hydrating properties and helps attract water to the upper layer of the skin. It can help calm down inflammation in skin and support restoration of the barrier function. It has an anti-oxidant effect as well. It can help reduce fine line, wrinkles and improve skin elasticity

More about Lactobionic acid
Chlorella vulgaris extract~0.5–0.7%
Key activeComedogenic 3/5Irritant · medium
Irritation risk
Medium
Comedogenicity
3/5
Works for
MoisturizingAnti-oxidationAnti-inflammatory

A plant extract that can help to attract water to the upper layer of the skin and might have some anti-oxidant and anti-inflammatory properties

More about Chlorella vulgaris extract
Betaine~0.45–0.7%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin and improves the product texture

More about Betaine
Teprenone~0.45–0.7%
Formula
Irritation risk
Low
More about Teprenone
Lespedeza capitata leaf/stem extract~0.4–0.65%
Formula
Terminalia ferdinandiana fruit extract~0.4–0.6%
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
Tremella fuciformis sporocarp extract~0.3–0.55%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidation

Mushroom extract that helps attract water to the upper layer of the skin

More about Tremella fuciformis sporocarp extract
Glyceryl caprylate~0.3–0.6%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that can also help water and oil mix together, as well as prevent bacteria growth in products

More about Glyceryl caprylate
Glyceryl undecylenate~0.3–0.55%
Irritant · medium
Irritation risk
Medium
Works for
CleansingMoisturizing

Helps oil and water mix together and helps preserve the product formulation

More about Glyceryl undecylenate
Behenyl alcohol~0.3–0.55%
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
1,2-hexanediol~0.2–0.4%
Irritant · medium
Irritation risk
Medium

A preservative

More about 1,2-hexanediol
Caprylyl glycol~0.25–0.45%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Sodium hydroxide~0.2–0.35%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Citric acid~0.15–0.3%
Irritant · medium
Irritation risk
Medium

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

More about Citric acid
Parfum~0.15–0.25%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
C12-26 alkane
Not recognized
Glucose~0.15–0.25%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin. Could be helpful in restoring the skin barrier function

More about Glucose
Polysorbate 60~0.15–0.25%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 60
Sorbitan isostearate~0.1–0.15%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Sorbitan isostearate
Lactic acid~0.05–0.15%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
ExfoliationEvens skin toneMoisturizingAnti-aging

An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)

More about Lactic acid
Ingredient list view

Water, Methylpropanediol, C15-19 alkane, Caprylic/capric triglyceride, Arachidyl alcohol, Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, Xylitylglucoside, Anhydroxylitol, Arachidyl glucoside, Glycerin, Propanediol, Hydroxyacetophenone, Xylitol, Lactobionic acid, Chlorella vulgaris extract, Betaine, Teprenone, Lespedeza capitata leaf/stem extract, Terminalia ferdinandiana fruit extract, Tremella fuciformis sporocarp extract, Glyceryl caprylate, Glyceryl undecylenate, Behenyl alcohol, 1,2-hexanediol, Caprylyl glycol, Sodium hydroxide, Citric acid, Parfum, Unknown, Glucose, Polysorbate 60, Sorbitan isostearate, Lactic 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
CosMedixResync Revitalizing Night CreamYOUR PRODUCTMEDIHEALBaobab Soothing Moisture CreamL300ULTRA SENSITIVE FACE CREAM RICHDermorensOrganic Light Moisture Face Cream
Match—56%53%53%
Price$96.00———
Shared key ingredients—5 of 75 of 74 of 7
Key difference—Copper Tripeptide-1PanthenolSalicylic Acid
Irritancy Medium Medium Low Low
Drying alcohol————
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CosMedix Resync Revitalizing Night Cream
CosMedixResync Revitalizing Night Cream

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

As an Amazon Associate, WIMJ earns from qualifying purchases.