Retinol Serum

Le Mieux

Where to buy Possibly in stock

About this product

The Le Mieux Retinol Serum is a emulsion. Our analysis of its 50 ingredients (32 low-risk) rates it Excellent (98/100). 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
50
Low-risk
32
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 17/6
Good for dry skin
Glyceryl Stearate Macadamia Ternifolia Seed Oil Methyl Gluceth-20 Sodium Acetylated Hyaluronate Sodium Hyaluronate Crosspolymer Stearyl Alcohol Acetyl Octapeptide-3 Caprylic/Capric Triglyceride Caprylyl Glycol Sodium Hyaluronate Hydroxypropyltrimonium Hyaluronate Hydrolyzed Hyaluronic Acid Hyaluronic Acid Galactomyces Ferment Filtrate Aloe Barbadensis Leaf Extract Sodium Hyaluronate Dimethylsilanol C12-13 Alkyl Glyceryl Hydrolyzed Hyaluronate
Caution for dry skin
Maltodextrin Cyclodextrin Stearyl Alcohol Undecylenoyl Glycine Xanthan Gum Capryloyl Glycine
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Retinol
Sensitive Skin 3/3
Good for sensitive skin
Allantoin Aloe Barbadensis Leaf Extract Epigallocatechin Gallatyl Glucoside
Caution for sensitive skin
Stearyl Alcohol Caprylic/Capric Triglyceride Retinol

Ingredients list

50 total
Lower hazard (1) Higher hazard (9)
All50 Skin Conditioning51 Humectant14 Hair Conditioning7 Emollient7 Film Forming6 Fragrance6 Emulsion Stabilising6 Viscosity Increasing Agent4
EWG CIR Ingredient Name & Cosmetic Functions Notes
Galactomyces Ferment Filtrate
(Humectant)
Fungal Acne
Fungal Acne Trigger
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
Oryza Sativa Bran Water
(Fragrance, Perfuming)
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
Zinc Hydrolyzed Hyaluronate
(Humectant, Skin Conditioning)
1
Hydroxypropyltrimonium Hyaluronate
(Film Forming, Humectant)
Sodium Hyaluronate Dimethylsilanol
(Humectant, Skin Conditioning)
1
Sodium Hyaluronate Crosspolymer
(Humectant, Skin Conditioning)
C12-13 Alkyl Glyceryl Hydrolyzed Hyaluronate
(Emollient, Humectant, Skin Conditioning)
1
Hydrolyzed Hyaluronic Acid
(Hair Conditioning, Humectant, Skin Conditioning)
1
Sodium Acetylated Hyaluronate
(Humectant)
Ascorbyl Propyl Hyaluronate
(Skin Conditioning)
Pyrus Malus Fruit Water
(Fragrance)
1
Acetyl Octapeptide-3
(Humectant, Skin Conditioning)
1
A
Palmitoyl Tetrapeptide-7
(Skin Conditioning)
B
Malus Domestica Fruit Cell Culture Extract
(Skin Conditioning)
1
Palmitoyl Pentapeptide-4
(Skin Conditioning)
1
A
Palmitoyl Tripeptide-1
(Skin Conditioning)
Acetyl Glycyl Beta-Alanine
(Skin Conditioning)
1
Macadamia Ternifolia Seed Oil
(Emollient)
1
Ceramide NP
(Hair Conditioning, Skin Conditioning)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
Epigallocatechin Gallatyl Glucoside
(Antioxidant, Skin Conditioning)
Teprenone
(Skin Conditioning)
1
Hydrolyzed Avocado Protein
(Skin Conditioning)
1
A
Methyl Gluceth-20
(Humectant, Moisturising)
Bisabolol
(Fragrance, Skin Conditioning, Soothing)
1
A
Stearyl Alcohol
(Emulsion Stabilising, Fragrance, Emulsifying, Surfactant, Foambooster, Viscosity Increasing Agent, Emollient, Foam Boosting, Masking, Opacifying, Refatting, Viscosity Controlling)
Prunus Amygdalus Dulcis Oil
(Skin Conditioning)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
Oryza sativa bran oil
(Skin Conditioning, Skin Conditioning Emollient)
Pistacia Lentiscus Gum
(Film Forming, Fragrance)
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
9
A
Retinol
(Skin Conditioning)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Tocotrienols
(Oral Care Agent, Skin Conditioning, Uv Absorber)
1
A
Cyclodextrin
(Absorbent, Chelating Agent)
1
A
Phospholipids
(Skin Conditioning)
Butyrospermum Parkii Butter
(Skin Conditioning, Viscosity Controlling)
1
B
Hydrolyzed Wheat Protein
(Film Forming, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
Glycolipids
(Skin Conditioning)
1
3
B
Aloe Barbadensis Leaf Extract
(Emollient, Humectant, Oral Care Agent, Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
1
Vaccinium Myrtillus Fruit Extract
(Skin Conditioning)
1
A
Maltodextrin
(Absorbent, Binding Agent, Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning, Suspending Agent Nonsurfactant, Binding)
1
Soy Isoflavones
(Skin Conditioning)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
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

Galactomyces Ferment Filtrate
Humectant
Sodium Hyaluronate
Skin Conditioning, Humectant
Hyaluronic Acid
Skin Conditioning, Humectant
Zinc Hydrolyzed Hyaluronate
Humectant, Skin Conditioning
Hydroxypropyltrimonium Hyaluronate
Humectant
Sodium Hyaluronate Dimethylsilanol
Humectant, Skin Conditioning

Benefits

Good for dry skin
Good for oily/acne-prone skin

Concerns

Not fungal acne (malassezia) safe
Retinol — higher EWG

EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →

Ingredients explained

Oryza Sativa Bran Water
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Hyaluronic Acid
Skin conditioning, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningViscosity increasing agentAntistatic agentHumectantMoisturising
Zinc Hydrolyzed Hyaluronate
Humectant, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A HumectantSkin conditioning
Hydroxypropyltrimonium Hyaluronate
Film forming, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Film formingHumectant
Sodium Hyaluronate Dimethylsilanol
Humectant, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A HumectantSkin conditioning
Sodium Hyaluronate Crosspolymer
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
C12-13 Alkyl Glyceryl Hydrolyzed Hyaluronate
Emollient, Humectant
Limited public safety data.Read moreShow less
EWG N/A EmollientHumectantSkin conditioning
Hydrolyzed Hyaluronic Acid
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioningHumectantSkin conditioning
Sodium Acetylated Hyaluronate
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
Ascorbyl Propyl Hyaluronate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Pyrus Malus Fruit Water
Fragrance
Limited public safety data.Read moreShow less
EWG N/A Fragrance
Acetyl Octapeptide-3
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Palmitoyl Tetrapeptide-7
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Malus Domestica Fruit Cell Culture Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning
Palmitoyl Pentapeptide-4
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
+ 29 more — see the full ingredients list above
Galactomyces Ferment Filtrate
Humectant
Limited public safety data.Read moreShow less
EWG N/A Humectant Fungal-acne trigger
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin
Retinol
Skin conditioning
Potentially a skin irritantRead moreShow less
EWG 9 CIR A Skin conditioning Bad for Sensitive Skin
Aloe Barbadensis Leaf Extract
Emollient, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 1–3 CIR B EmollientHumectantOral care agentSkin conditioning Good for Sensitive 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

Officially notified as a cosmetic in Malaysia (NPRA). Government registration record.

Pregnancy & breastfeeding

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

Often avoided
Retinoids (Vitamin A) (Retinol)

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.

Retinol

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

Ascorbyl Propyl Hyaluronate

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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