Mela B3 Dark Spot Serum With Melasyl+Niacinamide

La Roche-Posay

Mela B3 Dark Spot Serum With Melasyl+Niacinamide

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About this product

The La Roche-Posay Mela B3 Dark Spot Serum With Melasyl+Niacinamide is a serums, essence, ampoule. Our analysis of its 32 ingredients (27 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
32
Low-risk
27
Fragrance
Contains fragrance
Origin
France

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 10/8
Good for dry skin
Dipotassium Glycyrrhizate Octyldodecanol Caprylic/Capric Triglyceride Caprylyl Glycol Sodium Hyaluronate Glycerin Propylene Glycol Dimethicone Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone PEG-20 Methyl Glucose Sesquistearate
Caution for dry skin
Xanthan Gum Capryloyl Glycine Glycerin Poloxamer 338 Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone Sodium Hydroxide PEG-20 Methyl Glucose Sesquistearate Silica
Oily/Acne-Prone Skin No data
Sensitive Skin 3/6
Good for sensitive skin
Glycerin Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate Dimethicone
Caution for sensitive skin
Octyldodecanol Caprylic/Capric Triglyceride Glycerin Propylene Glycol Citric Acid Phenoxyethanol

Ingredients list

32 total
Lower hazard (1) Higher hazard (4)
All32 Skin Conditioning23 Humectant7 Fragrance7 Solvent6 Emollient6 Emulsion Stabilising4 Surfactant4 Viscosity Controlling4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
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
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Polysilicone-11
(Film Forming)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
3
A
Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone
(Emollient, Emulsifying, Skin Conditioning, Surfactant)
Cystoseira Tamariscifolia Extract
(Skin Conditioning)
1
B
Capryloyl Glycine
(Cleansing, Hair Conditioning, Surfactant)
3
A
PEG-20 Methyl Glucose Sesquistearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
1
Sodium Thiosulfate
(Reducing)
1
Carnosine
(Skin Conditioning)
2
A
Poloxamer 338
(Emulsifying, Surfactant)
1
Ammonium Polyacryloyldimethyl Taurate
(Emulsion Stabilising, Viscosity Increasing Agent, Viscosity Controlling)
1
A
Dipotassium Glycyrrhizate
(Flavoring Agent, Skin Conditioning, Humectant)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
B
Capryloyl Salicylic Acid
(Skin Conditioning)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Trisodium Ethylenediamine Disuccinate
(Chelating Agent)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Pentylene Glycol
(Skin Conditioning, Solvent)
1
A
Octyldodecanol
(Fragrance, Skin Conditioning, Emollient, Perfuming, Solvent)
Retinyl Palmitate
(Skin Conditioning, Skin Conditioning Miscellaneous)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
1
A
Pentaerythrityl Tetra-di-t-butyl Hydroxyhydrocinnamate
(Antioxidant)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
2
CI 17200
(Cosmetic Colorant)
PARFUM
(Fragrance, Perfuming)

My Ingredient Notes

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Key ingredients

Antioxidants
Shields skin from free radical damage.
Exfoliators
Removes dead skin cells to smoothe texture.
Retinoid
Visibly reduces the signs of aging.
Vitamin E
Protects skin and soothes irritation.
Niacinamide
Strengthens, smooths, and brightens skin.
Hyaluronic Acid
Hydrates by attracting and holding water.
Show all 6 key ingredients

Benefits

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

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Polysilicone-11
Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Film forming
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone
Emollient, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A EmollientEmulsifyingSkin conditioningSurfactant
Cystoseira Tamariscifolia Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Capryloyl Glycine
Cleansing, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingHair conditioningSurfactant
PEG-20 Methyl Glucose Sesquistearate
Skin conditioning, Emollient
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Skin conditioningEmollientEmulsifyingSurfactant
Sodium Hydroxide
Denaturant, Ph adjuster
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B DenaturantPh adjusterBuffering agent
Sodium Thiosulfate
Reducing
Low-hazard ingredient.Read moreShow less
EWG 1 Reducing
Carnosine
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Poloxamer 338
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A EmulsifyingSurfactant
Ammonium Polyacryloyldimethyl Taurate
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity increasing agentViscosity controlling
Dipotassium Glycyrrhizate
Flavoring agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentSkin conditioningHumectant
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
+ 11 more — see the full ingredients list above
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Evening: Use at night — start 2–3× a week and build up as your skin tolerates it.
  • 3 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.

Use with caution
BHA (salicylic) (Capryloyl Salicylic Acid)

Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.

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

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

BHA (salicylic) 0.5–2%

Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.

Capryloyl Salicylic 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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