Oh K! Overnight Hydration Sleep Mask

Oh K! Overnight Hydration Sleep Mask
6.6
/ 10
Moisturizing
9.2 Humectancy icon Humectancy
4.0 Occlusivity icon Occlusivity
$$$$

Review

Results you may expect from using Oh K! Overnight Hydration Sleep Mask:

Based on the ingredient analysis by CreamScan, these are the key benefits you can expect from using Oh K! Overnight Hydration Sleep Mask:

  • Significant moisturizing. It has a moisturizing rating of 6.6 out of 10.

How moisturizing is it?

Highly moisturizing: Oh K! Overnight Hydration Sleep Mask has a moisturizing rating of 6.6 out of 10.

Is it more humectant or occlusive? Significantly more humectant. It has a very high humectancy of 9.2 out of 10, primarily due to the substantial concentration of Glycerin (est. ≈6.0%) and Trehalose (est. ≈2.0%), and a moderate occlusivity of 4.0 out of 10, mainly due to the significant content of Hydrogenated Poly(C6-14 Olefin) (est. ≈4.0%) and Caprylyl Methicone (est. ≈3.0%).

Please refer to the Ratings section below for details of the moisturizing rating calculation.

Ingredients

Est. % Ingredient Origin Functions
65
9
6
4
3
2
1.9
1.5
1.3
1
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
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Ratings

All humectants
9.2
6
2
0.3
0.3
0.3
0.3
Benchmark
10
All occlusives
8.0
4.0
3.0
1.0
Benchmark
20
Moisturizing rating
6.6
Ingredient Est. % Benchmark Raiting
Humectancy All humectants 9.2 10
9.2
6
2
0.3
0.3
0.3
0.3
Occlusivity All occlusives 8.0 20
4.0
4.0
3.0
1.0
Moisturizing rating
6.6
Ingredient Est. % Benchmark Humectancy
6
2
0.3
0.3
0.3
0.3
All humectants 9.2 10
9.2
All humectants
9.2
6
2
0.3
0.3
0.3
0.3
Benchmark
10
Ingredient Est. % Benchmark Occlusivity
4
3
1
All occlusives 8.0 20
4.0
All occlusives
8.0
4.0
3.0
1.0
Benchmark
20
Ingredient
Ingredient anti-wrinkle power
when present at, %
in this formula est. %
Rating
None
Total
0
None
Anti-wrinkle rating
0
Ingredient Est. % Benchmark
Rich in Antioxidants
0.3
0.3
All antioxidants 0.6 3 No
All antioxidants
0.6
Sodium Hyaluronate
0.3
Hydrolyzed Hyaluronic Acid
0.3
Benchmark
3
Ingredient Est. % Benchmark
Rich in Soothing
0.3
All soothing 0.3 5 No
All soothing
0.3
0.3
Benchmark
5

Ingredients explained

Water
Est. %65
Function
Origin
The most used ingredient in skincare. Its concentration defines the product texture: rich creams may have about 50% of water while a light jelly about 90%. Water doesn’t moisturize the skin by itself and is used in skincare as a solvent for other ingredients.
Dipropylene Glycol
Est. %9
Function
Origin
A clear, colorless liquid that has several uses. One of its main functions is as a solvent. Dipropylene glycol is also used to reduce the thickness of skincare products.
Glycerin
Est. %6
Function
Origin

The most popular moisturizing ingredient in the world. It is a powerful humectant – cheap yet very effective.

Hydrogenated Poly(C6-14 Olefin)
Est. %4
Function
Origin
Description is coming soon
Caprylyl Methicone
Est. %3
Function
Origin
A liquid silicone with occlusive moisturizing properties. Being compatible with natural oils is a challenge for most silicones, but caprylyl methicone plays well with all types of oils.
Trehalose
Est. %2
Function
Origin
A sweet-tasting saccharide that can be found in various yeasts and fungi and that is manufactured from starch for cosmetic purposes. It is one of the most popular sugars in skincare and is mainly used for its humectant properties.
1,2-Hexanediol
Est. %1.9
Function
Origin
A multi-functional formula helper. It is a well-studied preservtive against bacteria and can help pigments and fragrances disperse evenly in a formula.
Polysorbate 60
Est. %1.5
Function
Origin
An ester based on sorbitan. It is good for emulsifying water and oils together – specifically making oil-in-water emulsions. Polysorbate 60 is also said to give a product a notable fragrance.
Ammonium Acryloyldimethyltaurate/VP Copolymer
Est. %1.3
Function
Origin
A polymeric ingredient that creates lightweight and refreshing gel textures. It also works as a viscosity controlling agent.
Dimethicone
Est. %1
Function
Origin
The most common silicone in skincare. It forms a silky, smooth film on the skin’s surface and can help to prevent water loss. It also aids in wound healing and can treat and soften scars. Dimethicone is considered to be very safe for use.
Dimethicone/Vinyl Dimethicone Crosspolymer
Est. %0.3
Function
Origin
This ingredient can refer to several kinds of dimethicone crosspolymers. Like other silicones, it makes products feel slippery and non-greasy but can also increase the thickness or improve the water-resistance of a formula.
Carbomer
Est. %0.3
Function
Origin
A synthetic ingredient with the ability to gel water. When used in emulsions, such as lotions and creams, carbomer can also act as an emulsion stabilizer.
Potassium Hydroxide
Est. %0.3
Function
Origin
A very alkaline ingredient, meaning that it has a high pH. Potassium hydroxide is therefore useful in bringing a low pH in a cosmetic product up to a more neutral, skin-safe level.
Allantoin
Est. %0.3
Function
Origin
A fluffy, white powder that acts as a humectant due to its water-loving chemistry and as an exfoliant that helps to remove dead skin cells. It has also been shown to be very soothing to irritated and inflamed skin.
Sodium Hyaluronate
Est. %0.3
Function
Origin

A sodium salt of famous hyaluronic acid. A potent humectant that hydrates the skin, supports collagen function, and fills out small wrinkles. Sodium hyaluronate also offers soothing and antioxidant properties.

Hydrolyzed Hyaluronic Acid
Est. %0.3
Function
Origin
A smaller-molecule version of the regular hyaluronic acid. It is a powerful humectant that absorbs into the skin and offers moisturizing, smoothing, and anti-wrinkle effects. It is also slightly anti-inflammatory and displays subtle antioxidant properties.
Disodium EDTA
Est. %0.3
Function
Origin
A synthetic chelator that helps to maintain the look and smell of a product by 'locking up' troublesome metal ions.
Phenoxyethanol
Est. %0.3
Function
Origin
The most frequently used preservative in skincare. It is a clear, oil-like liquid synthetic substance that protects products from harmful bacteria and yeast, whilst still leaving skin microflora unharmed. It is confirmed by research to be harmless.
Ethylhexylglycerin
Est. %0.3
Function
Origin
A preservative booster derived from glycerin. It is commonly paired with other preservatives to improve their efficacy. Ethylhexylglycerin is also a humectant due to its chemical base of glycerin.
Fragrance
Est. %0.3
Function
Origin
Under trade secret law, manufacturers have the right not to disclose what exactly went into the fragrance and use the unspecific word Fragrance or Parfum instead. Many fragrances are highly allergenic.
Alpha-Isomethyl Ionone
Est. %0.3
Function
Origin
A fragrance ingredient that is supplied as a pale, yellow liquid. The scent it emits is very clean and features notes of violet and orris. Alpha-isomethyl is also used as a flavoring agent in lip care products and even in some foods and drinks.
Benzyl Benzoate
Est. %0.3
Function
Origin
A fragrance ingredient with a fruity and woody scent. It is considered an allergen according to the International Fragrance Association (IFRA), which means that care must be taken when determining usage levels in skincare products.
Hexyl Cinnamal
Est. %0.3
Function
Origin
A synthetic scent ingredient that produces a jasmine-like fragrance. According to the International Fragrance Association (IFRA), hexyl cinnamal is a skin sensitizer and allergen and so its use in skincare should be limited.
Hydroxycitronellal
Est. %0.3
Function
Origin
A fragrant compound with a scent reminiscent of lilies and sweet tropical melon. It can be found in many different essential oils (such as palmarosa, ylang-ylang, and lemongrass essential oil) but is manufactured synthetically from citronellal.