The INKEY List 1% Retinol Serum

The INKEY List 1% Retinol Serum
6.1
/ 10
Moisturizing
6.6 Humectancy icon Humectancy
5.6 Occlusivity icon Occlusivity
10Anti-wrinkle icon/ 10
Anti-wrinkle
Rich
in Antioxidants

Review

Results you may expect from using The INKEY List 1% Retinol Serum:

Based on the ingredient analysis by CreamScan, these are the key benefits you can expect from using The INKEY List 1% Retinol Serum:

  • Significant moisturizing. It has a moisturizing rating of 6.1 out of 10.
  • Potent anti-wrinkle effect. With an anti-wrinkle rating of 10.0 out of 10, The INKEY List 1% Retinol Serum is highly potent in reducing wrinkles.
  • Antioxidant protection.

How moisturizing is it?

Highly moisturizing: The INKEY List 1% Retinol Serum has a moisturizing rating of 6.1 out of 10.

Is it more humectant or occlusive? Rather humectant. It has a high humectancy of 6.6 out of 10, primarily due to the substantial concentration of Glycerin (est. ≈6.0%), and a moderate occlusivity of 5.6 out of 10, mainly due to the significant content of Prunus Armeniaca (Apricot) Kernel Oil (est. ≈4.0%) and Persea Gratissima (Avocado) Oil (est. ≈3.0%).

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

Anti-wrinkle efficacy

According to CreamScan analysis, The INKEY List 1% Retinol Serum has a maximum anti-wrinkle rating of 10.0 out of 10. It contains one ingredient with proven anti-wrinkle efficacy: Retinol (est. ≈1.0%),
 the most effective non-prescription ingredient with well-proven efficacy to reduce wrinkles.
 

Please refer to the Ratings section below for details of the anti-wrinkle rating calculation.

Antioxidant benefits

We estimate that The INKEY List 1% Retinol Serum is rich (> 3%) in antioxidants, specifically Persea Gratissima (Avocado) Oil (est. ≈3.0%).

A key benefit of antioxidants is their ability to reduce oxidative stress caused by free radicals and therefore prevent accelerated skin aging. Studies also show that antioxidants can protect against environmental damage such as UV radiation and pollution, and help reduce inflammation and skin redness.

Ingredients

Est. % Ingredient Origin Functions
75
Water
6
Glycerin
4
Prunus Armeniaca (Apricot) Kernel Oil
3
Persea Gratissima (Avocado) Oil
2
Caprylic/Capric Triglyceride
1.5
Squalane
1.3
Cetearyl Alcohol
1.1
Glyceryl Stearate SE
1
Retinol
0.3
Phenoxyethanol
0.3
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
0.3
Benzyl Alcohol
0.3
Phospholipids
0.3
Tocopherol
0.3
Polyacrylate Crosspolymer-6
0.3
Glycine Soja (Soybean) Oil
0.3
Ethylhexylglycerin
0.3
Glycolipids
0.3
Dehydroacetic Acid
0.3
Polysorbate 60
0.3
Sorbitan Isostearate
0.3
Trisodium Ethylenediamine Disuccinate
0.3
Glycine Soja (Soybean) Sterols
0.3
t-Butyl Alcohol
Est. %
Water
Function:
Origin:
Glycerin
Function:
Origin:
Prunus Armeniaca (Apricot) Kernel Oil
Function:
Origin:
Persea Gratissima (Avocado) Oil
Function:
Origin:
Caprylic/Capric Triglyceride
Function:
Origin:
Squalane
Function:
Origin:
Cetearyl Alcohol
Function:
Origin:
Glyceryl Stearate SE
Function:
Origin:
Retinol
Function:
Origin:
Phenoxyethanol
Function:
Origin:
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Function:
Origin:
Benzyl Alcohol
Function:
Origin:
Phospholipids
Function:
Origin:
Tocopherol
Function:
Origin:
Polyacrylate Crosspolymer-6
Function:
Origin:
Glycine Soja (Soybean) Oil
Function:
Origin:
Ethylhexylglycerin
Function:
Origin:
Glycolipids
Function:
Origin:
Dehydroacetic Acid
Function:
Origin:
Polysorbate 60
Function:
Origin:
Sorbitan Isostearate
Function:
Origin:
Trisodium Ethylenediamine Disuccinate
Function:
Origin:
Glycine Soja (Soybean) Sterols
Function:
Origin:
t-Butyl Alcohol
Function:
Origin:

Ratings

All humectants
6.6
6
0.3
0.3
Benchmark
10
All occlusives
11.1
4.0
3.0
2.0
1.5
0.3
0.3
Benchmark
20
Moisturizing rating
6.1
Ingredient Est. % Benchmark Raiting
Humectancy All humectants 6.6 10
6.6
6
0.3
0.3
Occlusivity All occlusives 11.1 20
5.6
4.0
3.0
2.0
1.5
0.3
0.3
Moisturizing rating
6.1
Ingredient Est. % Benchmark Humectancy
6
0.3
0.3
All humectants 6.6 10
6.6
All humectants
6.6
6
0.3
0.3
Benchmark
10
Ingredient Est. % Benchmark Occlusivity
4
3
2
1.5
0.3
0.3
All occlusives 11.1 20
5.6
All occlusives
11.1
4.0
3.0
2.0
1.5
0.3
0.3
Benchmark
20
Ingredient
Ingredient anti-wrinkle power
when present at, %
in this formula est. %
Rating
10 /10 0.4 1 10
Total
10
Retinol
10
Ingredient anti-wrinkle power
10 /10
when present at, %
0.4
in this formula, est. %
1
Anti-wrinkle rating
10
Ingredient Est. % Benchmark
Rich in Antioxidants
3
0.3
0.3
All antioxidants 3.6 3 Rich in antioxidants
All antioxidants
3.6
Persea Gratissima (Avocado) Oil
3
Tocopherol
0.3
Glycine Soja (Soybean) Oil
0.3
Benchmark
3
Ingredient Est. % Benchmark
Rich in Soothing
None
All soothing 0 5 No
All soothing
0
None
Benchmark
5

Ingredients explained

Water
Est. %75
Function
Origin
WaterThe 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.
Glycerin
Est. %6
Function
Origin
Glycerin

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

Prunus Armeniaca (Apricot) Kernel Oil
Est. %4
Function
Origin
Prunus Armeniaca (Apricot) Kernel OilA fatty oil expressed from the seed kernels of apricot fruits. This oil is an emollient and occlusive moisturizer comprised of around 60% oleic acid, followed by linoleic and palmitic acid, carotenoids, vitamin E, and other antioxidant compounds.
Persea Gratissima (Avocado) Oil
Est. %3
Function
Origin
Persea Gratissima (Avocado) OilA fatty oil expressed from the fleshy part of an avocado, used in skincare for its excellent emollient and occlusive moisturizing properties. Avocado oil contains fatty acids, notably oleic acid (up to 80%), squalene, vitamin E, and carotenoids.
Caprylic/Capric Triglyceride
Est. %2
Function
Origin
Caprylic/Capric TriglycerideA natural occlusive moisturizing and emollient ingredient, it is a blend of glycerin and two fatty acids, caprylic and capric acid. It creates an oil-based protective layer on the skin, thereby preventing water loss.
Squalane
Est. %1.5
Function
Origin
SqualaneAn occlusive moisturizing and emollient compound that forms part of the skin’s sebum. The main source of squalane had always been shark liver. Now, however, it is manufactured synthetically or derived from plant oils, such as olive and peanut oil.
Cetearyl Alcohol
Est. %1.3
Function
Origin
Cetearyl AlcoholA blend of cetyl alcohol and stearyl alcohol, the fatty alcohols that are derived from palm oil. It helps to create emulsions that give off a soft and silky emollient feel and also increase product thickness.
Glyceryl Stearate SE
Est. %1.1
Function
Origin
Glyceryl Stearate SEAn emulsifier, where the SE stands for self-emulsifying. Emulsions containing glyceryl stearate SE often impart a smooth, velvety feel upon the skin.
Retinol
Est. %1
Function
Origin
Retinol

One of the most famous and well-researched anti-aging ingredients with a maximum anti-wrinkle power of 10 out of 10. It is proven to decrease wrinkles and help the skin regain its thickness, firmness, and texture. Retinol is also effective in treating pigmentation issues such as dark spots and acne.

Phenoxyethanol
Est. %0.3
Function
Origin
PhenoxyethanolThe 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.
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Est. %0.3
Function
Origin
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate CopolymerAn emulsion stabilizer and thickener that helps to create a pleasant, satiny, and light formula texture. It works by forming a gel-like network within water or oil, which both stabilizes other ingredients and produces a thickening effect.
Benzyl Alcohol
Est. %0.3
Function
Origin
Benzyl AlcoholA multifunctional ingredient that is supplied as a clear, colorless liquid. Its main function is as a flavoring agent and fragrance. It also acts as a broad-spectrum preservative, solvent, and viscosity-controlling agent that thins the product.
Phospholipids
Est. %0.3
Function
Origin
PhospholipidsA large group of lipids that are an essential component of every single cell membrane in the body. They have excellent emollient properties. Phospholipids are also utilized in the manufacturing of ‘fancy’ formulations such as liposomes.
Tocopherol
Est. %0.3
Function
Origin
Tocopherol

Simply another name for vitamin E. Tocopherol is a fantastic ingredient and especially beneficial for dry and inflamed skin. It has occlusive moisturizing, emollient, antioxidant, and photoprotective properties.

Polyacrylate Crosspolymer-6
Est. %0.3
Function
Origin
Polyacrylate Crosspolymer-6A polymeric ingredient that works best in water-based formulas to create gel textures. It helps to stabilize emulsions and control viscosity.
Glycine Soja (Soybean) Oil
Est. %0.3
Function
Origin
Glycine Soja (Soybean) OilAn occlusive moisturizing oil expressed from soybeans. It does not leave an oily feeling on the skin due to its low content of saturated fatty acids. Glycine soja oil contains emollient fatty acids and a significant amount of antioxidants.
Ethylhexylglycerin
Est. %0.3
Function
Origin
EthylhexylglycerinA 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.
Glycolipids
Est. %0.3
Function
Origin
GlycolipidsVarious lipids combined with one or more sugars. It can be used as an emulsifier or a very gentle cleanser.
Dehydroacetic Acid
Est. %0.3
Function
Origin
Dehydroacetic AcidA globally approved preservative ingredient. It is a powerful fungicide and a moderate bactericide, which makes it a broad-spectrum preservative. Because it is mildly effective against bacteria, it is often paired with stronger bactericides.
Polysorbate 60
Est. %0.3
Function
Origin
Polysorbate 60An 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.
Sorbitan Isostearate
Est. %0.3
Function
Origin
Sorbitan IsostearateA mild yet powerful emulsifier primarily utilized to produce water-in-oil emulsions. It helps to create a particularly rich and substantial emulsion.
Trisodium Ethylenediamine Disuccinate
Est. %0.3
Function
Origin
Trisodium Ethylenediamine DisuccinateA chelating agent that disables harmful heavy metal ions present in skincare.
Glycine Soja (Soybean) Sterols
Est. %0.3
Function
Origin
Glycine Soja (Soybean) SterolsA mixture of phytosterols isolated from soybean oil. Phytosterols, when used in skincare products, have emollient properties and can make the skin feel softer and smoother.
t-Butyl Alcohol
Est. %0.3
Function
Origin
t-Butyl AlcoholDescription is coming soon