Vita-C Serum

Le Mieux

Where to buy Possibly in stock

About this product

The Le Mieux Vita-C Serum is a serums, essence, ampoule. Our analysis of its 44 ingredients (35 low-risk) rates it Excellent (100/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
44
Low-risk
35
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 14/3
Good for dry skin
Glutamic Acid Dipotassium Glycyrrhizate Mannitol Sodium Acetylated Hyaluronate Sodium Hyaluronate Crosspolymer Caprylyl Glycol Sodium PCA Sodium Hyaluronate Hydroxypropyltrimonium Hyaluronate Hydrolyzed Hyaluronic Acid Hyaluronic Acid Galactomyces Ferment Filtrate Sodium Hyaluronate Dimethylsilanol C12-13 Alkyl Glyceryl Hydrolyzed Hyaluronate
Caution for dry skin
Undecylenoyl Glycine Xanthan Gum Capryloyl Glycine
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Magnesium Ascorbyl Phosphate
Sensitive Skin 4/10
Good for sensitive skin
Enteromorpha Compressa Extract Magnesium Ascorbyl Phosphate Superoxide Dismutase Aminopropyl Ascorbyl Phosphate
Caution for sensitive skin
Glycine Glutamic Acid Glutathione Lysine Mannitol Valine Sodium Citrate Aspartic Acid Alanine Arginine

Ingredients list

44 total
Lower hazard (1) Higher hazard (1)
All44 Skin Conditioning49 Humectant17 Hair Conditioning15 Fragrance11 Antistatic Agent11 Masking6 Antioxidant4 Surfactant2
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)
Citrus Aurantium Dulcis Fruit Water
(Fragrance)
1
A
Magnesium Ascorbyl Phosphate
(Antioxidant)
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
Aminopropyl Ascorbyl Phosphate
(Antioxidant, Skin Conditioning)
1
A
Dipotassium Glycyrrhizate
(Flavoring Agent, Skin Conditioning, Humectant)
1
Enteromorpha Compressa Extract
(Skin Protecting)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
Oryza sativa bran oil
(Skin Conditioning, Skin Conditioning Emollient)
1
A
Phospholipids
(Skin Conditioning)
1
A
Tocotrienols
(Oral Care Agent, Skin Conditioning, Uv Absorber)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
Mannitol
(Binding Agent, Flavoring Agent, Humectant, Binding, Masking, Moisturising, Skin Conditioning)
1
A
Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning)
1
A
Glutamic Acid
(Fragrance, Hair Conditioning, Humectant, Antistatic Agent)
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Alanine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Aspartic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Lysine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent)
1
A
Leucine
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
1
A
Valine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Beta-Glucan
(Bulking Agent, Skin Conditioning)
1
Superoxide Dismutase
(Reducing, Skin Conditioning, Antioxidant)
1
Glutathione
(Fragrance, Reducing)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
1
A
Sodium Gluconate
(Chelating Agent, 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

Hyaluronic Acid
Hydrates by attracting and holding water.
Antioxidants
Shields skin from free radical damage.
Vitamin C
Brightens, evens tone, and supports collagen.
Vitamin E
Protects skin and soothes irritation.
Niacinamide
Strengthens, smooths, and brightens skin.

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Redness ReducingSoothes visible redness and calms irritation.
Barrier RepairStrengthen and restore your skin's natural barrier.
Anti-AgingSoftens lines and helps skin look youthful.
Reduces IrritationEases discomfort and supports skin resilience.
Scar HealingImproves the look of marks and scars.
BrighteningRestores radiance to dull, tired skin.
Dark SpotsFades dark spots for even skin tone.

Concerns

Not fungal acne (malassezia) safe
May not suit sensitive skin

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
Citrus Aurantium Dulcis Fruit Water
Fragrance
Limited public safety data.Read moreShow less
EWG N/A Fragrance
Magnesium Ascorbyl Phosphate
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antioxidant
Aminopropyl Ascorbyl Phosphate
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioning
Dipotassium Glycyrrhizate
Flavoring agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentSkin conditioningHumectant
Enteromorpha Compressa Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
+ 25 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
Sodium PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry Skin
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning Good for Dry Skin

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.

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

Trust & honesty

Effective levels — general guide

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

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, Magnesium Ascorbyl Phosphate, Aminopropyl Ascorbyl Phosphate

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

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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