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La Roche-Posay Mela B3 Dark Spot Serum

La-roche-posay

La Roche-Posay Mela B3 Dark Spot Serum

Serums · 1.0 fl oz

Recorded market
United States
Ingredient list
32 label entries
Ingredient research
24 ingredients with selected studies
Explore the formula ↓Where to find it ↗

32 label entries · 29 linked ingredients

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About this product

Product description

La Roche-Posay Mela B3 Dark Spot Serum corrects discoloration like nothing else before. This serum fades sun spots, age spots and even stubborn dark spots with 10% niacinamide and a new, exclusive ingredient called Melasyl. It reduces the appearance of imperfections in as fast as two weeks. In testing, 1.7 times as many people had strong results with Melasyl as compared to similar actives. Consumer Results: Skin imperfections look reduced after 2 weeks With twice daily use, skin continues to maintain improvement after 2 weeks Key Features: Delivers long-lasting results for all skin tones Tested on even persistent dark spots and post-acne marks Reveals brighter and more radiant skin

Description from LovelySkin skincare bestsellers · Recorded Aug 9, 2026. Product claims have not been independently verified.

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Formula

Listed in label order. Position does not establish an exact concentration. Ingredient roles describe possible uses and can vary with the finished formula.

Full recorded ingredient list

CYSTOSEIRA TAMARISCIFOLIA EXTRACT, 2-MERCAPTONICOTINOYL GLYCINE, SODIUM THIOSULFATE, POLOXAMER 338, TRISODIUM ETHYLENEDIAMINE DISUCCINATE, CI 17200/RED 33, Aqua/Water/Eau, Dimethicone, Niacinamide, Glycerin, Propylene Glycol, Polysilicone-11, Silica, Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone, PEG-20 Methyl Glucose Sesquistearate, Sodium Hyaluronate, Sodium Hydroxide, Carnosine, Ammonium Polyacryloyldimethyl Taurate, Dipotassium Glycyrrhizate, Caprylic/Capric Triglyceride, Capryloyl Salicylic Acid, Caprylyl Glycol, Citric Acid, Xanthan Gum, Pentylene Glycol, Octyldodecanol, Retinyl Palmitate, Tocopherol, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Phenoxyethanol, Parfum/Fragrance

29 of 32 entries are linked to ingredient pages below. Unmatched names remain in the original list above.

Explore the ingredients

  1. 03
  2. 04
    POLOXAMER 338 ↗Emulsifying · Surfactant
  3. 05
  4. 06
    CI 17200/RED 33 ↗Cosmetic colorant
  5. 07
  6. 08
    Dimethicone ↗Emollient · Occlusive · Antifoaming · Skin conditioning · Skin protecting
  7. 09
    Niacinamide ↗Anti-inflammatory · Tyrosinase inhibitor / brightening · Smoothing10.0% declared · Source
  8. 10
    Glycerin ↗Humectant · Denaturant · Hair conditioning · Oral care · Perfuming · Skin protecting · Viscosity controlling
  9. 11
    Propylene Glycol ↗Humectant · Skin conditioning · Viscosity controlling · Solvent
  10. 12
  11. 13
    Silica ↗Abrasive · Absorbent · Anticaking · Bulking · Opacifying · Viscosity controlling
  12. 14
    Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone ↗Emollient · Emulsifying · Skin conditioning · Surfactant
  13. 15
  14. 16
    Sodium Hyaluronate ↗Humectant · Skin conditioning
  15. 17
    Sodium Hydroxide ↗Buffering · Denaturant
  16. 18
    Carnosine ↗Skin conditioning
  17. 19
    Ammonium Polyacryloyldimethyl Taurate ↗Emulsion stabilising · Viscosity controlling
  18. 20
    Dipotassium Glycyrrhizate ↗Humectant · Anti-inflammatory · Tyrosinase inhibitor / brightening · Skin conditioning
  19. 21
    Caprylic/Capric Triglyceride ↗Masking · Perfuming · Skin conditioning
  20. 23
    Caprylyl Glycol ↗Humectant · Emollient · Hair conditioning · Skin conditioning
  21. 24
    Citric Acid ↗AHA exfoliant · Buffering · Chelating · Masking
  22. 25
    Xanthan Gum ↗Binding · Emulsifying · Emulsion stabilising · Gel forming · Skin conditioning · Viscosity controlling · Surfactant
  23. 26
    Pentylene Glycol ↗Skin conditioning · Solvent
  24. 27
    Octyldodecanol ↗Emollient · Masking · Perfuming
  25. 28
    Retinyl Palmitate ↗Retinoid · Skin conditioning
  26. 29
    Tocopherol ↗Antioxidant · Masking · Skin conditioning
  27. 30
  28. 31
    Phenoxyethanol ↗Preservative
  29. 32
    Parfum/Fragrance ↗Deodorant · Masking · Perfuming

Formula provenance

Retailer source · united-states

Recorded Aug 9, 2026

Formula source ↗

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Ingredient research

These studies concern ingredients listed or declared for this product. They do not establish that this exact formula reproduces a study result, dose or delivery method.

Where to find it

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