Collagen Peptide Serum

Le Mieux

Where to buy Possibly in stock

About this product

The Le Mieux Collagen Peptide Serum is a emulsion. Our analysis of its 37 ingredients (28 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Emulsion
Ingredients
37
Low-risk
28
Fragrance
Fragrance-free
Origin
United States

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 8/4
Good for dry skin
Acetyl Octapeptide-3 Isomalt Caprylic/Capric Triglyceride Caprylyl Glycol Sodium PCA Hyaluronic Acid Camellia Sinensis Leaf Extract Urea
Caution for dry skin
Sodium Carboxymethyl Beta-Glucan Undecylenoyl Glycine Capryloyl Glycine Camellia Sinensis Leaf Extract
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Camellia Sinensis Leaf Extract
Sensitive Skin 5/2
Good for sensitive skin
Enteromorpha Compressa Extract Superoxide Dismutase Laminaria Digitata Extract Camellia Sinensis Leaf Extract Epigallocatechin Gallatyl Glucoside
Caution for sensitive skin
Caprylic/Capric Triglyceride Camellia Sinensis Leaf Extract

Ingredients list

37 total
Lower hazard (1) Higher hazard (3)
All37 Skin Conditioning38 Humectant9 Hair Conditioning8 Antistatic Agent5 Cleansing3 Uv Absorber3 Skin Protecting3 Emollient3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
1
Acetyl Tetrapeptide-2
(Skin Conditioning)
1
A
Palmitoyl Tripeptide-1
(Skin Conditioning)
1
A
Palmitoyl Tetrapeptide-7
(Skin Conditioning)
1
Palmitoyl Pentapeptide-4
(Skin Conditioning)
1
Palmitoyl Tripeptide-5
(Skin Conditioning)
1
Acetyl Octapeptide-3
(Humectant, Skin Conditioning)
Oryza Sativa Bran Water
(Fragrance, Perfuming)
Epigallocatechin Gallatyl Glucoside
(Antioxidant, Skin Conditioning)
1
B
Camellia Sinensis Leaf Extract
(Antimicrobial, Antioxidant, Astringent, Emollient, Humectant, Masking, Oral Care Agent, Skin Conditioning, Skin Protecting, Tonic, Uv Absorber)
Good for Oily Skin
Good for Oily Skin
1
Hydrolyzed Avocado Protein
(Skin Conditioning)
Glycine Soja Seed Extract
(Skin Conditioning)
Teprenone
(Skin Conditioning)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
Ceramide NS
(Hair Conditioning, Skin Conditioning)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
1
A
Tocotrienols
(Oral Care Agent, Skin Conditioning, Uv Absorber)
Brassica Campestris Sterols
(Skin Conditioning, Skin Conditioning Emollient)
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
1
B
Sodium Palmitoyl Proline
(Skin Conditioning)
1
Nymphaea Alba Flower Extract
(Skin Conditioning, Tonic)
B
Malus Domestica Fruit Cell Culture Extract
(Skin Conditioning)
1
Dipalmitoyl Hydroxyproline
(Skin Conditioning, Antistatic Agent, Hair Conditioning)
1
A
Sodium Carboxymethyl Beta-Glucan
(Binding, Cleansing, Viscosity Controlling)
1
Superoxide Dismutase
(Reducing, Skin Conditioning, Antioxidant)
1
Glucosamine HCl
(Ph Adjuster, Antistatic Agent, Hair Conditioning)
1
Laminaria Digitata Extract
(Skin Protecting)
1
Saccharomyces Cerevisiae Extract
(Skin Conditioning)
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
Enteromorpha Compressa Extract
(Skin Protecting)
3
A
Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning)
Retinyl Palmitate
(Skin Conditioning, Skin Conditioning Miscellaneous)
1
A
Isomalt
(Anticaking Agent, Bulking Agent, Flavoring Agent, Humectant)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
B
Undecylenoyl Glycine
(Cleansing, Hair Conditioning, Surfactant)
1
B
Capryloyl Glycine
(Cleansing, Hair Conditioning, Surfactant)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Hyaluronic Acid
Skin Conditioning, Humectant
Acetyl Tetrapeptide-2
Skin Conditioning
Palmitoyl Tripeptide-1
Skin Conditioning
Palmitoyl Tetrapeptide-7
Skin Conditioning
Palmitoyl Pentapeptide-4
Skin Conditioning
Palmitoyl Tripeptide-5
Skin Conditioning

Benefits

Fungal-acne (Malassezia) safe
Good for dry skin
Good for oily/acne-prone skin
Good for sensitive skin

Concerns

No major concerns flagged

Ingredients explained

Hyaluronic Acid
Skin conditioning, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningViscosity increasing agentAntistatic agentHumectantMoisturising
Acetyl Tetrapeptide-2
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Palmitoyl Tripeptide-1
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Palmitoyl Tetrapeptide-7
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Palmitoyl Pentapeptide-4
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Palmitoyl Tripeptide-5
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Acetyl Octapeptide-3
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Oryza Sativa Bran Water
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Epigallocatechin Gallatyl Glucoside
Antioxidant, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A AntioxidantSkin conditioning
Hydrolyzed Avocado Protein
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Glycine Soja Seed Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Teprenone
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Ceramide NS
Hair conditioning, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioningSkin conditioning
Ceramide NP
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningSkin conditioning
+ 20 more — see the full ingredients list above
Camellia Sinensis Leaf Extract
Antimicrobial, Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B AntimicrobialAntioxidantAstringentEmollientHumectantMaskingOral care agentSkin conditioningSkin protectingTonicUv absorber Good for Oily Skin
Sodium PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry Skin

How to use

How to use

  • 1 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.
  • 2 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Often avoided
Retinoids (Vitamin A) (Retinyl Palmitate)

Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Retinoids (Vitamin A) 0.01–1%

Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.

Retinyl Palmitate

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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