Olay Regenerist Overnight Mask

Olay Regenerist Overnight Mask

Efficacy75/100IrritancyHigh

Works for

Moisturizing
Allantoin, Dimethiconol + 3 more
Works
What the product description says
“Instantly hydrates for 24h!”
Source: Feelunique

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: allantoin, butylene glycol.

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: dimethiconol.

AllantoinKey activeEffect: HighHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~4.5–6.7%
DimethiconolKey activeEffect: HighA silicone that makes products more spreadable and keeps skin smooth. Helps to add gloss to skin and may visually fill in fine lines/wrinkles for short time~2.7–4.1%
Camellia sinensis leaf extractEffect: LowCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~5.3–8%
Butylene glycolEffect: 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~3.2–4.7%
C13-14 alkaneEffect: LowHelps soften the upper layer of the skin~0.15–0.65%
Anti-oxidation
Not advertised by the brand · Camellia sinensis leaf extract, Tocopheryl acetate
May help

This product contains antioxidants (camellia sinensis leaf extract) 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.

Camellia sinensis leaf extractKey activeEffect: MediumCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~5.3–8%
Tocopheryl acetateEffect: LowA 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.~26–39%

Can it cause trouble?

Irritancy
3 strong irritants: Dmdm hydantoin, Iodopropynyl butylcarbamate + 1 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
Dmdm hydantoinA preservative that releases formaldehyde and can be irritatingHigh~0.15–0.5%est.
Benzyl alcoholA preservative. Can be used to mask unpleasant smell. Can be irritatingHigh~0.1–0.35%est.
Iodopropynyl butylcarbamateA preservative. Can be irritatingHigh~0.01–0.02%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05–0.25%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~26–39%est.
Laureth-4Helps water and oil mix togetherMedium~2–3%est.
Laureth-7Helps oil and water mix togetherMedium~1.7–2.6%est.
Sodium peg-7 olive oil carboxylateHelps oil and water mix togetherMedium~1.4–2.1%est.
Peg-30 dipolyhydroxystearateHelps oil and water mix togetherMedium~1.2–1.8%est.
Disodium edtaStabilizes the product formulationMedium~0.5–1%est.
Acrylates/c10-30 alkyl acrylate crosspolymerMaintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix togetherMedium~0.5–1.2%est.
Ammonium polyacrylateHelps oil and water mix togetherMedium~0.4–0.95%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
Laureth-4Helps water and oil mix together2/5~2–3%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Tocopheryl acetate~26–39%
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 leaf extract~5.3–8%
Key active
Irritation risk
Low
Works for
Anti-oxidationAntibacterialAnti-agingAnti-blemishMoisturizingEvens skin tone

Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation

More about Camellia sinensis leaf extract
Allantoin~4.5–6.7%
Key active
Irritation risk
Low
Works for
Anti-inflammatoryMoisturizingReduces irritationReduces rednessAnti-blemishExfoliation

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

More about Allantoin
Butylene glycol~3.2–4.7%
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
Dimethiconol~2.7–4.1%
Key active
Irritation risk
Low
Works for
Moisturizing

A silicone that makes products more spreadable and keeps skin smooth. Helps to add gloss to skin and may visually fill in fine lines/wrinkles for short time

More about Dimethiconol
Laureth-4~2–3%
Comedogenic 2/5Irritant · medium
Irritation risk
Medium
Comedogenicity
2/5
Works for
Cleansing

Helps water and oil mix together

More about Laureth-4
Laureth-7~1.7–2.6%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Laureth-7
Sodium peg-7 olive oil carboxylate~1.4–2.1%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Sodium peg-7 olive oil carboxylate
Peg-30 dipolyhydroxystearate~1.2–1.8%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Peg-30 dipolyhydroxystearate
Trideceth-6~0.95–1.45%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Trideceth-6
Disodium edta~0.5–1%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Acrylates/c10-30 alkyl acrylate crosspolymer~0.5–1.2%
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
Aminomethyl propanol~0.45–1.1%
Formula
Irritation risk
Low

Used to adjust the pH in formulations

More about Aminomethyl propanol
Peg-100 stearate~0.6–1.35%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix togehter and creates a nice product texture

More about Peg-100 stearate
Ammonium polyacrylate~0.4–0.95%
Irritant · medium
Irritation risk
Medium

Helps oil and water mix together

More about Ammonium polyacrylate
Titanium dioxide~0.45–1.05%
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
C13-14 alkane~0.15–0.65%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin

More about C13-14 alkane
Dmdm hydantoin~0.15–0.5%
Irritant · high
Irritation risk
High

A preservative that releases formaldehyde and can be irritating

More about Dmdm hydantoin
Benzyl alcohol~0.1–0.35%
Irritant · high
Irritation risk
High

A preservative. Can be used to mask unpleasant smell. Can be irritating

More about Benzyl alcohol
Iodopropynyl butylcarbamate~0.01–0.02%
Irritant · high
Irritation risk
High

A preservative. Can be irritating

More about Iodopropynyl butylcarbamate
Methylparaben~0.15–0.3%
Formula
Irritation risk
Low

A preservative

More about Methylparaben
Propylparaben~0.1–0.3%
Formula
Irritation risk
Low

A preservative

More about Propylparaben
Parfum~0.05–0.25%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Caramel~0.05–0.25%
Formula
Irritation risk
Low
More about Caramel
Ingredient list view

Tocopheryl acetate, Camellia sinensis leaf extract, Allantoin, Butylene glycol, Dimethiconol, Laureth-4, Laureth-7, Sodium peg-7 olive oil carboxylate, Peg-30 dipolyhydroxystearate, Trideceth-6, Disodium edta, Acrylates/c10-30 alkyl acrylate crosspolymer, Aminomethyl propanol, Peg-100 stearate, Ammonium polyacrylate, Titanium dioxide, C13-14 alkane, Dmdm hydantoin, Benzyl alcohol, Iodopropynyl butylcarbamate, Methylparaben, Propylparaben, Parfum, Caramel

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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
OlayRegenerist Overnight MaskYOUR PRODUCTNeogenceHyaluronic Acid Hydrating MaskPurenskinAvocado MaskFOREOUFO Mask Farm To Face Green Tea x 6
Match—34%34%34%
Price——$2.00$28.06
Shared key ingredients—1 of 41 of 42 of 4
Key difference—GlycerinArgininePanthenol
Irritancy High Low 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 3 studies and safety reviews.

  1. 1
  2. 2
  3. 3
Olay Regenerist Overnight Mask
OlayRegenerist Overnight Mask

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As an Amazon Associate, WIMJ earns from qualifying purchases.