Comparison between K18 Leave-in Molecular Repair Hair Mask vs. Olaplex Hair Perfector No 3

Find out which product is better for your skin.

21 Ingredients 37

1
Water (Aqua) (Eau)
1
Water
2
Alcohol Denatured
2
Bis-Aminopropyl Diglycol Dimaleate
3
Propylene Glycol
3
Propylene Glycol
4
Cetearyl Alcohol
4
Cetearyl Alcohol
5
Dicaprylyl Ether
5
Hydrolyzed Glycine Soja (Soy) Protein
6
Cetyl Esters
6
Ascorbic Acid (Vitamin C)
7
Behentrimonium Chloride
7
Tocopheryl Acetate (Vitamin E)
8
Polysorbate-20
8
Retinyl Palmitate (Vitamin A)
-- Show others --
Uniqueness14 out of 21
66.7%
Uniqueness30 out of 37
81.1%

Positive Effects

Find out what good effects the product has

ECO Metrics

Find out how eco-friendly the components are
Vegan
No
No
Cruelty free
No
No
Reef friendly
Yes
Yes
Ozone layer safe
Yes
Yes
Organic score
natural
7 out of 21
33%
chemical
12 out of 21
57%
natural
10 out of 37
27%
chemical
24 out of 37
65%

Concerns

Pay attention to these components
-- Extra information --

Components by Skin Type

Find out what components are good or bad for your skin type
Dry skin
Positive: 2Negative: 1
Propylene Glycol#3Tocopherol#13Alcohol Denatured#2
Oily skin
Positive: 0Negative: 0
Sensitive skin
Positive: 0Negative: 4
Isopropyl Alcohol#12Citric Acid#16Linalool#19Hexyl Cinnamal#20
Dry skin
Positive: 6Negative: 0
Propylene Glycol#3Ascorbic Acid (Vitamin C)#6Panthenol#11Simmondsia Chinensis (Jojoba) Seed Oil#12Glycerin#17Prunus Amygdalus Dulcis (Sweet Almond) Oil#37
Oily skin
Positive: 0Negative: 1
Prunus Amygdalus Dulcis (Sweet Almond) Oil#37
Sensitive skin
Positive: 1Negative: 1
Prunus Amygdalus Dulcis (Sweet Almond) Oil#37Citric Acid#34

Detailed view

K18 Leave-in Molecular Repair Hair Mask vs. Olaplex Hair Perfector No 3
Position 1

#1Water (Aqua) (Eau)

Origin: No information
Role: No information
-- versus --

#1Water

Origin: natural
Role: Solvent
EWG Rating [ 1 ]

Water is a great solvent. It’s neutral and doesn’t provide any strong positive or negative effects. It just helps components to mix better and to transport active components.

Position 2

#2Alcohol Denatured

Origin: chemical
Role: Antifoaming agent, Antimicrobial agent, Astringent, Masking, Solvent, Viscosity controlling agent
Antiseptic
Alcohols
EWG Rating [ 1 ]
Bad for dry skin
Bad for dry skin

Alcohol Denatured is a great bacteria killer. Manufacturers often put it inside products to increase their shelf life.

It’s one of the most harmful alcohols used in skincare. You should use it carefully, especially if you have dry skin. It removes oily barrier from the surface of your skin making it less protected and causing dryness. We advise you to pay attention to the position of this component in a formulation. If it stays below the 6th position it will hardly harm your skin. We also recommend testing the product first before application. If you feel a “cooling effect” it means the product contains a lot of alcohol and it's better to be careful with it.

-- versus --

#2Bis-Aminopropyl Diglycol Dimaleate

Origin: No information
Role: No information
EWG Rating [ 1 ]
Position 3
Both products have the same component on this position.

#3Propylene Glycol

Origin: chemical
Role: Skin conditioning agent, Fragrance ingredient, Humectant, Solvent, Viscosity controlling agent
Moisturizing
EWG Rating [ 3 ]
CIR Rating [ B ]
Good for dry skin
Good for dry skin

Propylene Glycol is a useful componet with many positive effects. It’s a very good moisturizer. It helps to deliver ingredients into deeper layers of the skin. It creates a protective layer on the skin preventing water loss. The component is researched very well and doesn’t have notable side effects. It’s used even for making food.

Position 4
Both products have the same component on this position.

#4Cetearyl Alcohol

Origin: chemical
Role: Emollient, Emulsifying agent, Emulsion stabilizer, Foam booster, Surfactant, Viscosity controlling agent
Comedogenic rating [ 2 ]
EWG Rating [ 1 ]
CIR Rating [ A ]

Cetearyl Alcohol is used mostly for formulation purposes. It’s a very good emulsifier and emulsion stabilizer. It helps the ingredients mix better and it makes the product spread on your skin evenly. It also makes the product thicker. It doesn’t belong to harmful alcohols and it will not dry your skin.

Position 5

#5Dicaprylyl Ether

Origin: chemical
Role: Skin conditioning agent, Emollient, Solvent
EWG Rating [ 1 ]
-- versus --

#5Hydrolyzed Glycine Soja (Soy) Protein

Origin: natural
Role: Skin conditioning agent, Antistatic agent, Hair conditioning, Humectant
Moisturizing
Cleansing
Softening
Anti-aging
Elasticity improvement
Rejuvenation
Regeneration
Protection
Hair structure improvement
Hair protection
EWG Rating [ 1 ]
CIR Rating [ A ]
Skin Signal
2023 - 2024

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