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La Roche-Posay Mela B3 Serum is an advanced brightening serum powered by Niacinamide (Vitamin B3), HEPES, and LHA. It visibly reduces hyperpigmentation, fades dark spots, and evens out skin tone for a clearer, more radiant complexion. Formulated with La Roche-Posay Thermal Spring Water and dermatologist-tested, it is suitable for all skin types including sensitive skin.
Apply 4–5 drops to a clean face and neck every morning. Follow with moisturiser and SPF. Can also be used in the evening for enhanced results. Always use SPF daily when using brightening actives. For external use only. Avoid contact with eyes.
Key actives include Niacinamide (Vitamin B3), LHA (Lipo-Hydroxy Acid), HEPES, and La Roche-Posay Thermal Spring Water. Refer to product packaging for the complete and most up-to-date ingredient list.
| Brand | La Roche-Posay |
|---|---|
| Range | Mela B3 |
| Type | Dark spot serum |
| Key Ingredients | Niacinamide, LHA, HEPES, Thermal Spring Water |
| Size | 30ml |
| Fragrance | Fragrance-free |
Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product.

Formulas, textures and other ingredients differ between products. Patch-test new skincare first, and ask our pharmacist if you are unsure. Ask a pharmacist on WhatsApp
It's a brightening serum with niacinamide that helps visibly reduce dark spots and even out skin tone.
Apply 4 to 5 drops to a clean face and neck every morning, followed by moisturiser and SPF; it can also be used in the evening.
Yes, it's suitable for all skin types including sensitive skin, but patch test first if unsure.
Yes, always use a daily SPF when using brightening actives.
Space out use if combining with retinol, for example this serum in the morning and retinol at night.