What are the key ingredients in Overnight Hydration Sleep Mask?

Overnight Hydration Sleep Mask contains 24 ingredients. Key actives include: Water, Dipropylene Glycol, Glycerin, Hydrogenated Poly(C6-14 Olefin), Caprylyl Methicone, and more.

Does Overnight Hydration Sleep Mask contain comedogenic or pore-clogging ingredients?

Overnight Hydration Sleep Mask contains potentially comedogenic or irritating ingredients: Parfum, Hexyl Cinnamal, Hydroxycitronellal. Always patch test before full use.

How is the safety of Overnight Hydration Sleep Mask rated?

Safety ratings for Overnight Hydration Sleep Mask are calculated based on individual ingredient analysis, covering comedogenicity, irritancy, and overall safety scores. See the full breakdown at https://www.skinwis.com/product/oh-k-overnight-hydration-sleep-mask.

Where can I find the full ingredient list for Overnight Hydration Sleep Mask?

The complete ingredient list, safety analysis, and community reviews for Overnight Hydration Sleep Mask are available on SkinWis at https://www.skinwis.com/product/oh-k-overnight-hydration-sleep-mask.

Brand Oh K!

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Overnight Hydration Sleep Mask

Updated on: 23/10/2025

Total Ingredients

analysed

18 of 24

Skin-Safe

low risk

5 of 24

Potential Irritants

may irritate sensitive skin

0 of 24

Potential Pore-Clogging

comedogenic risk

About this product

24 ingredients

5 potential irritant

none pore-clogging

Contains Hyaluronic Acid and Allantoin. Contains fragrance — patch test if sensitive. Formula aimed at oily and acne-prone skin. Patch-test if you have very reactive skin.

Formulation Analysis

Click any ingredient to view full details

C: Comedogenic·S: Safety·Ir: Irritancy

1 Very safe

2 Safe

3 Moderate

4 Risky

5 Avoid

C: Comedogenic·S: Safety·Ir: Irritancy

1 Very safe

2 Safe

3 Moderate

4 Risky

5 Avoid

Water

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Plaque Prevention Agent Skin Enhancer Ingredient Dissolver

Dipropylene Glycol

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Low risk

Fragrance Provider Thickness Regulator Ingredient Dissolver +1

Glycerin

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Fragrance Provider Moisture Magnet Thickness Regulator +7

Hydrogenated Poly(C6-14 Olefin)

Safety: Very low risk

Irritancy: Very low risk

Skin Enhancer Thickness Regulator Skin Softener

Caprylyl Methicone

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Skin Enhancer

Trehalose

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Moisture Magnet Skin Hydrator

1,2-Hexanediol

Safety: Low risk

Skin Enhancer Ingredient Dissolver

Polysorbate 60

Comedogenic: Low risk

Safety: Low risk

Irritancy: Low risk

Cleansing Surfactant Emulsifying Surfactant

Ammonium Acryloyldimethyltaurate/Vp Copolymer

Safety: Very low risk

Irritancy: Very low risk

Thickness Regulator

Dimethicone

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Skin Enhancer Skin Softener Defensive Shield +1

Dimethicone/Vinyl Dimethicone Crosspolymer

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Skin Enhancer Thickness Regulator

Carbomer

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Gel Structure Builder Thickness Regulator Emulsion Stabilizer

Potassium Hydroxide

Safety: Moderate risk

Irritancy: High risk

pH Stabilizer

Allantoin

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Skin Enhancer Calming Agent Defensive Shield

Sodium Hyaluronate

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Skin Enhancer Moisture Magnet

Hydrolyzed Hyaluronic Acid

Comedogenic: Very low risk

Safety: Very low risk

Irritancy: Very low risk

Skin Enhancer Moisture Magnet Hair Softener

Disodium EDTA

Safety: Low risk

Irritancy: Very low risk

Thickness Regulator Metal Ion Binder

Phenoxyethanol

Safety: Low risk

Irritancy: Moderate risk

Product Protector Germ Fighter

Ethylhexylglycerin

Comedogenic: Very low risk

Safety: Low risk

Irritancy: Low risk

Skin Enhancer Odor Neutralizer

Parfum

Safety: Moderate risk

Irritancy: High risk

Fragrance Provider Scent Provider

Alpha-Isomethyl Ionone

Safety: Moderate risk

Irritancy: Moderate risk

Fragrance Provider Skin Enhancer

Benzyl Benzoate

Safety: Moderate risk

Irritancy: High risk

Fragrance Provider Germ Fighter Ingredient Dissolver

Hexyl Cinnamal

Safety: Moderate risk

Irritancy: High risk

Fragrance Provider

Hydroxycitronellal

Safety: Moderate risk

Irritancy: High risk

Fragrance Provider

Ingredient Name	Safety Profile	Functionality
01 Water	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Plaque Prevention Agent Skin Enhancer +1
02 Dipropylene Glycol	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 2 Irritancy: Low risk	Fragrance Provider Thickness Regulator +2
03 Glycerin	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Fragrance Provider Moisture Magnet +8
04 Hydrogenated Poly(C6-14 Olefin)	S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Skin Enhancer Thickness Regulator +1
05 Caprylyl Methicone	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Skin Enhancer
06 Trehalose	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Moisture Magnet Skin Hydrator
07 1,2-Hexanediol	S 2 Safety: Low risk	Skin Enhancer Ingredient Dissolver
08 Polysorbate 60	C 2 Comedogenic: Low risk S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Cleansing Surfactant Emulsifying Surfactant
09 Ammonium Acryloyldimethyltaurate/Vp Copolymer	S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Thickness Regulator
10 Dimethicone	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Skin Enhancer Skin Softener +2
11 Dimethicone/Vinyl Dimethicone Crosspolymer	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Skin Enhancer Thickness Regulator
12 Carbomer	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Gel Structure Builder Thickness Regulator +1
13 Potassium Hydroxide	S 3 Safety: Moderate risk Ir 4 Irritancy: High risk	pH Stabilizer
14 Allantoin	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Skin Enhancer Calming Agent +1
15 Sodium Hyaluronate	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Skin Enhancer Moisture Magnet
16 Hydrolyzed Hyaluronic Acid	C 1 Comedogenic: Very low risk S 1 Safety: Very low risk Ir 1 Irritancy: Very low risk	Skin Enhancer Moisture Magnet +1
17 Disodium EDTA	S 2 Safety: Low risk Ir 1 Irritancy: Very low risk	Thickness Regulator Metal Ion Binder
18 Phenoxyethanol	S 2 Safety: Low risk Ir 3 Irritancy: Moderate risk	Product Protector Germ Fighter
19 Ethylhexylglycerin	C 1 Comedogenic: Very low risk S 2 Safety: Low risk Ir 2 Irritancy: Low risk	Skin Enhancer Odor Neutralizer
20 Parfum	S 3 Safety: Moderate risk Ir 4 Irritancy: High risk	Fragrance Provider Scent Provider
21 Alpha-Isomethyl Ionone	S 3 Safety: Moderate risk Ir 3 Irritancy: Moderate risk	Fragrance Provider Skin Enhancer
22 Benzyl Benzoate	S 3 Safety: Moderate risk Ir 4 Irritancy: High risk	Fragrance Provider Germ Fighter +1
23 Hexyl Cinnamal	S 3 Safety: Moderate risk Ir 4 Irritancy: High risk	Fragrance Provider
24 Hydroxycitronellal	S 3 Safety: Moderate risk Ir 4 Irritancy: High risk	Fragrance Provider

Potential Irritants

3 flagged

Parfum Hexyl Cinnamal Hydroxycitronellal

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Common Questions

Frequently Asked Questions

Is Oh K! Overnight Hydration Sleep Mask comedogenic?

Appears Non-Comedogenic Overnight Hydration Sleep Mask appears to be non-comedogenic based on our ingredient analysis. None of its 24 ingredients carry a high comedogenic rating, making it generally suitable for acne-prone and oily skin types.

Is Oh K! a good skincare brand?

Oh K! makes products such as Overnight Hydration Sleep Mask that include some ingredients which may be problematic for sensitive or acne-prone skin. Check individual product ingredient lists and community reviews before deciding. Read more about Oh K!.

Is Oh K! Overnight Hydration Sleep Mask safe for sensitive skin?

Use with Caution Overnight Hydration Sleep Mask may not be ideal for sensitive skin. It contains 5 potential irritant s including <a href="/ingredient/potassium-hydroxide" class="font-bold underline hover:text-cyan-700">Potassium Hydroxide</a>, <a href="/ingredient/parfum" class="font-bold underline hover:text-cyan-700">Parfum</a> and <a href="/ingredient/benzyl-benzoate" class="font-bold underline hover:text-cyan-700">Benzyl Benzoate</a> . Common triggers like Fragrance, Limonene, and Linalool can cause redness or reactions in sensitive or barrier-compromised skin. We recommend patch testing before full use.

Does Oh K! Overnight Hydration Sleep Mask clog pores?

Unlikely to Clog Pores Based on our analysis, Overnight Hydration Sleep Mask is unlikely to clog pores. None of its 24 ingredients have a comedogenic rating above 2.

Who makes Oh K! Overnight Hydration Sleep Mask?

This product is from Oh K!. See more products from Oh K!.

What are the ingredients in Oh K! Overnight Hydration Sleep Mask?

Overnight Hydration Sleep Mask contains 24 ingredients. The first ingredients listed are <a href="/ingredient/water" class="font-bold underline hover:text-cyan-700">Water</a>, <a href="/ingredient/dipropylene-glycol" class="font-bold underline hover:text-cyan-700">Dipropylene Glycol</a>, <a href="/ingredient/glycerin" class="font-bold underline hover:text-cyan-700">Glycerin</a>, <a href="/ingredient/hydrogenated-poly-c6-14-olefin-" class="font-bold underline hover:text-cyan-700">Hydrogenated Poly(C6-14 Olefin)</a> and <a href="/ingredient/caprylyl-methicone" class="font-bold underline hover:text-cyan-700">Caprylyl Methicone</a>. Each ingredient includes a comedogenic rating, irritancy rating, and safety score. View the full annotated ingredient list above.

What do users say about Oh K! Overnight Hydration Sleep Mask?

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