Leave-In Maske Peptide Intense Repair
The Jean&Len Leave-In Maske Peptide Intense Repair is a misc. Our analysis of its 37 ingredients (24 low-risk) rates it Excellent (95/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Jean&Len Leave-In Maske Peptide Intense Repair is a misc. Our analysis of its 37 ingredients (24 low-risk) rates it Excellent (95/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
Dry Skin
8/4
Oily/Acne-Prone Skin
1/0
Sensitive Skin
1/12
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
1
|
|
Water
(Solvent) |
|
4
|
|
Alcohol Denat.
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling) |
Bad for Dry Skin
Bad for Sensitive Skin
|
|
1
|
A
|
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling) |
|
|
1
|
|
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling) |
|
|
2
|
A
|
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
|
|
3
|
B
|
Behentrimonium Chloride
(Antistatic Agent, Hair Conditioning, Preservative) |
|
|
1
|
B
|
Cetyl Esters
(Skin Conditioning, Emollient) |
|
|
1
|
|
Dicaprylyl Ether
(Skin Conditioning, Emollient, Solvent) |
|
|
1
|
|
Lauryl Alcohol
(Emollient, Emulsifying, Emulsion Stabilising, Viscosity Controlling) |
|
|
1
|
B
|
Coco-glucoside
(Cleansing, Foaming, Surfactant) |
|
|
|
Polyglyceryl-3 PCA
(Skin Conditioning Emollient) |
|
|
|
|
PARFUM
(Fragrance, Perfuming) |
|
|
2
3
|
A
|
Phytantriol
(Anticaking Agent, Hair Conditioning, Skin Conditioning, Humectant) |
|
|
1
|
A
|
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
|
|
1
|
A
|
Caesalpinia Spinosa Gum
(Adhesive, Skin Conditioning, Viscosity Increasing Agent, Film Forming, Viscosity Controlling) |
|
|
1
|
A
|
Hydrolyzed Corn Protein
(Hair Conditioning, Skin Conditioning, Antistatic Agent) |
|
|
1
|
B
|
Hydrolyzed Wheat Protein
(Film Forming, Hair Conditioning, Skin Conditioning, Antistatic Agent) |
|
|
|
A
|
Hydrolyzed Soy Protein
(Antistatic Agent, Hair Conditioning, Humectant, Skin Conditioning) |
|
|
1
|
|
Biotinoyl Tripeptide-1
(Hair Conditioning) |
|
|
|
|
Sh-Oligopeptide-78
(Hair Conditioning, Surfactant Cleansing) |
|
|
1
|
A
|
Glycol Distearate
(Opacifying, Viscosity Increasing Agent, Emollient, Emulsifying, Skin Conditioning, Viscosity Controlling) |
Fungal Acne Trigger
|
|
|
|
Hydroxypropylammonium Gluconate
(Hair Conditioning, Humectant) |
|
|
|
|
Hydroxypropylgluconamide
(Hair Conditioning, Humectant) |
|
|
|
|
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
|
|
1
|
|
Leuconostoc/Radish Root Ferment Filtrate
(Antidandruff Agent, Antimicrobial) |
|
|
1
|
|
Tartaric Acid
(Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
|
2
|
A
|
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
|
|
2
|
A
|
Isopropyl Alcohol
(Antifoaming Agent, Fragrance, Solvent, Viscosity Decreasing Agent, Perfuming, Viscosity Controlling) |
Bad for Sensitive Skin
|
|
5
|
A
|
Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking) |
Allergens
|
|
3
|
A
|
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
|
|
3
|
A
|
Potassium Sorbate
(Fragrance, Preservative) |
|
|
6
|
|
Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
|
|
6
|
A
|
Benzyl Benzoate
(Fragrance, Solvent, Antimicrobial, Masking) |
Allergens
|
|
|
|
Pinene
(Antifoaming, Fragrance) |
|
|
1
|
A
|
Benzaldehyde
(Denaturant, Flavoring Agent, Fragrance, Masking, Solvent) |
|
|
|
|
Citrus Limon Peel Oil
(Fragrance, Perfuming, Skin Conditioning) |
|
|
1
|
|
Vanillin
(Flavoring Agent, Fragrance, Masking) |
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Tartaric Acid
INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.
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