Hada Labo Koi Gokujyun Whitening Perfect Gel

Hada Labo Koi Gokujyun Whitening Perfect Gel
5.6
/ 10
Moisturizing
10.0 Humectancy icon Humectancy
1.3 Occlusivity icon Occlusivity
0.1Anti-wrinkle icon/ 10
Anti-wrinkle

Review

Results you may expect from using Hada Labo Koi Gokujyun Whitening Perfect Gel:

Based on the ingredient analysis by CreamScan, these are the key benefits you can expect from using Hada Labo Koi Gokujyun Whitening Perfect Gel:

  • Moderate moisturizing. It has a moisturizing rating of 5.6 out of 10.
  • Little anti-wrinkle effect: Hada Labo Koi Gokujyun Whitening Perfect Gel has an anti-wrinkle rating of 0.1 out of 10, so you may expect a positive, although insignificant, effect on wrinkles.

How moisturizing is it?

Quite moisturizing: Hada Labo Koi Gokujyun Whitening Perfect Gel has a moisturizing rating of 5.6 out of 10.

Is it more humectant or occlusive? Significantly more humectant. It has a low occlusivity of 1.3 out of 10 and a maximum humectancy of 10 out of 10, primarily due to the high content of Glycerin (est. ≈7.5%), Diglycerin (est. ≈3.0%) and Sorbitol (est. ≈2.0%).

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

Anti-wrinkle efficacy

According to CreamScan analysis, Hada Labo Koi Gokujyun Whitening Perfect Gel has a minimal anti-wrinkle rating of 0.1 out of 10. It contains one ingredient with proven anti-wrinkle efficacy: Ascorbic Acid (est. ≈0.3%),
 or Vitamin C, a popular anti-wrinkle ingredient, yet with average efficacy confirmed by only one study.
 
Moisturizers, when used regularly, are proven to prevent wrinkle formation and even reduce existing wrinkles. Therefore, this product, like any other moisturizer, could deliver additional anti-wrinkle efficacy through its moisturizing action.
 

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

Ingredients

Est. % Ingredient Origin Functions
70
Water
7.5
Glycerin
5
Tranexamic Acid
3
Diglycerin
2.5
Dipropylene Glycol
2
Sorbitol
1.5
Pentylene Glycol
1.3
PPG-17-Buteth-17
1
Petrolatum
0.3
Polyglyceryl-10 Palmate
0.3
Eicosane
0.3
Butylene Glycol
0.3
Carbomer
0.3
Diethoxyethyl Succinate
0.3
PPG-24-Glycereth-24
0.3
Phenoxyethanol
0.3
PEG-20 Sorbitan Isostearate
0.3
Squalane
0.3
Methylparaben
0.3
Glyceryl Stearate
0.3
Cetyl Alcohol
0.3
Behenyl Alcohol
0.3
Polyquaternium-51
0.3
Disodium EDTA
0.3
Xanthan Gum
0.3
Triethanolamine
0.3
Sodium Metabisulfite
0.3
Iodopropynyl Butylcarbamate
0.3
Ammonium Acrylates Copolymer
0.3
Tocopherol
0.3
Hydrolyzed Hyaluronic Acid
0.3
Ascorbic Acid
0.3
Sodium Hyaluronate
Est. %
Water
Function:
Origin:
Glycerin
Function:
Origin:
Tranexamic Acid
Function:
Origin:
Diglycerin
Function:
Origin:
Dipropylene Glycol
Function:
Origin:
Sorbitol
Function:
Origin:
Pentylene Glycol
Function:
Origin:
PPG-17-Buteth-17
Function:
Origin:
Petrolatum
Function:
Origin:
Polyglyceryl-10 Palmate
Function:
Origin:
Eicosane
Function:
Origin:
Butylene Glycol
Function:
Origin:
Carbomer
Function:
Origin:
Diethoxyethyl Succinate
Function:
Origin:
PPG-24-Glycereth-24
Function:
Origin:
Phenoxyethanol
Function:
Origin:
PEG-20 Sorbitan Isostearate
Function:
Origin:
Squalane
Function:
Origin:
Methylparaben
Function:
Origin:
Glyceryl Stearate
Function:
Origin:
Cetyl Alcohol
Function:
Origin:
Behenyl Alcohol
Function:
Origin:
Polyquaternium-51
Function:
Origin:
Disodium EDTA
Function:
Origin:
Xanthan Gum
Function:
Origin:
Triethanolamine
Function:
Origin:
Sodium Metabisulfite
Function:
Origin:
Iodopropynyl Butylcarbamate
Function:
Origin:
Ammonium Acrylates Copolymer
Function:
Origin:
Tocopherol
Function:
Origin:
Hydrolyzed Hyaluronic Acid
Function:
Origin:
Ascorbic Acid
Function:
Origin:
Sodium Hyaluronate
Function:
Origin:

Ratings

All humectants
15.2
7.5
3
2
1.5
0.3
0.3
0.3
0.3
Benchmark
10
All occlusives
2.6
1.0 x 2
0.3
0.3
Benchmark
20
Moisturizing rating
5.6
Ingredient Est. % Benchmark Raiting
Humectancy All humectants 15.2 10
10.0
7.5
3
2
1.5
0.3
0.3
0.3
0.3
Occlusivity All occlusives 2.6 20
1.3
1.0 x 2
0.3
0.3
Moisturizing rating
5.6
Ingredient Est. % Benchmark Humectancy
7.5
3
2
1.5
0.3
0.3
0.3
0.3
All humectants 15.2 10
10
All humectants
15.2
7.5
3
2
1.5
0.3
0.3
0.3
0.3
Benchmark
10
Ingredient Est. % Benchmark Occlusivity
1 x 2
0.3
0.3
All occlusives 2.6 20
1.3
All occlusives
2.6
1.0 x 2
0.3
0.3
Benchmark
20
Ingredient
Ingredient anti-wrinkle power
when present at, %
in this formula est. %
Rating
2.5 /10 5 0.3 0.1
Total
0.1
Ascorbic Acid
0.1
Ingredient anti-wrinkle power
2.5 /10
when present at, %
5
in this formula, est. %
0.3
Anti-wrinkle rating
0.1
Ingredient Est. % Benchmark
Rich in Antioxidants
0.3
0.3
0.3
0.3
0.3
All antioxidants 1.5 3 No
All antioxidants
1.5
Ascorbic Acid
0.3
Sodium Metabisulfite
0.3
Tocopherol
0.3
Hydrolyzed Hyaluronic Acid
0.3
Sodium Hyaluronate
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. %70
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. %7.5
Function
Origin
Glycerin

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

Tranexamic Acid
Est. %5
Function
Origin
Tranexamic AcidA synthetic amino acid that is used as an astringent to stop the bleeding from small cuts. It also has proven anti-pigment and redness-reducing effects.
Diglycerin
Est. %3
Function
Origin
DiglycerinA powerful humectant that collects moisture, making skin feel hydrated and supple. Diglycerin is less sticky and a stronger humectant, but slower absorbing than standard glycerin.
Dipropylene Glycol
Est. %2.5
Function
Origin
Dipropylene GlycolA 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.
Sorbitol
Est. %2
Function
Origin
SorbitolA sweet-tasting alcohol derived from glucose. Aside from its sweet taste (for which it is used as a very common sweetener), Sorbitol is also very good at retaining water and is used in skincare as a humectant.
Pentylene Glycol
Est. %1.5
Function
Origin
Pentylene Glycol

A naturally or synthetically derived preservative that exhibits effective antifungal and antibacterial traits. It also acts as a booster for more traditional preservatives. Pentylene glycol can also serve as a moisturizing humectant and solvent.

PPG-17-Buteth-17
Est. %1.3
Function
Origin
PPG-17-Buteth-17
Petrolatum
Est. %1
Function
Origin
PetrolatumAlso known as Vaseline, this is the most powerful occlusive moisturizer and at least twice as effective as other occlusives. This is why we multiply the petrolatum score by 2 when calculating the Occlusivity of the product. Petrolatum is not comedogenic.
Polyglyceryl-10 Palmate
Est. %0.3
Function
Origin
Polyglyceryl-10 Palmate
Eicosane
Est. %0.3
Function
Origin
Eicosane
Butylene Glycol
Est. %0.3
Function
Origin
Butylene GlycolA clear, colorless liquid humectant that draws moisture to the skin. The humectancy of butylene glycol, owed to its two hydroxyl groups, is quite considerable, although not as powerful as glycerin, which contains three hydroxyl groups.
Carbomer
Est. %0.3
Function
Origin
CarbomerA 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.
Diethoxyethyl Succinate
Est. %0.3
Function
Origin
Diethoxyethyl Succinate
PPG-24-Glycereth-24
Est. %0.3
Function
Origin
PPG-24-Glycereth-24
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.
PEG-20 Sorbitan Isostearate
Est. %0.3
Function
Origin
PEG-20 Sorbitan Isostearate
Squalane
Est. %0.3
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.
Methylparaben
Est. %0.3
Function
Origin
MethylparabenA preservative that keeps a product unspoiled. There has been a lot of controversy surrounding parabens, although the concentrations found in cosmetic formulations are generally considered to be safe.
Glyceryl Stearate
Est. %0.3
Function
Origin
Glyceryl StearateAn emollient and emulsifier typically derived from vegetable sources through a chemical reaction with glycerin. It provides stability, texture, and consistency to formulations. Its main function is to allow oil and water to mix.
Cetyl Alcohol
Est. %0.3
Function
Origin
Cetyl AlcoholA waxy solid fatty alcohol derived from palm oil. It is most commonly used as a co-emulsifier and affects the final aesthetic of the product, leaving a soft and silky feeling on the skin. Cetyl alcohol is also used as a viscosity controlling agent.
Behenyl Alcohol
Est. %0.3
Function
Origin
Behenyl AlcoholA fatty alcohol with emollient properties. It is used as a co-emulsifier and thickener and tends to result in a product with a smooth and creamy application texture.
Polyquaternium-51
Est. %0.3
Function
Origin
Polyquaternium-51A biocompatible phospholipid copolymer that is designed to mimic the lipid-based cell membrane found in human skin. Its main function is as a humectant moisturizer.
Disodium EDTA
Est. %0.3
Function
Origin
Disodium EDTAA synthetic chelator that helps to maintain the look and smell of a product by 'locking up' troublesome metal ions.
Xanthan Gum
Est. %0.3
Function
Origin
Xanthan GumA natural multi-functional ingredient that originates from fermented sugars. Xanthan gum acts as a viscosity-building agent to thicken skincare products. It is also an excellent stabilizer and works well to hold other ingredients together.
Triethanolamine
Est. %0.3
Function
Origin
TriethanolamineA clear, colorless, and highly viscous liquid, this ingredient is an excellent pH adjuster. When it is necessary to neutralize an acidic solution or to generally increase the pH of a product, triethanolamine is a common choice.
Sodium Metabisulfite
Est. %0.3
Function
Origin
Sodium MetabisulfiteA preservative that is especially effective at preventing fungus and mold growth. It is normally combined with a strong bactericidal preservative in order to achieve broad-spectrum protection. Sodium metabisulfite is also used as an antioxidant.
Iodopropynyl Butylcarbamate
Est. %0.3
Function
Origin
Iodopropynyl ButylcarbamateA highly effective preservative against fungi, specifically mold and yeast. It is cost-effective, functions at very low levels, and also provides some protection against bacteria.
Ammonium Acrylates Copolymer
Est. %0.3
Function
Origin
Ammonium Acrylates Copolymer
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.

Hydrolyzed Hyaluronic Acid
Est. %0.3
Function
Origin
Hydrolyzed Hyaluronic AcidA 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.
Ascorbic Acid
Est. %0.3
Function
Origin
Ascorbic Acid

Also known as vitamin C, this multi-benefit ingredient has proven anti-wrinkle, antioxidant, and anti-pigmentation efficacy. It degrades easily when exposed to air and light, so it requires proper packaging to maintain its stability.

Sodium Hyaluronate
Est. %0.3
Function
Origin
Sodium Hyaluronate

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.