La Roche Posay Mela B3 Serum 30ml
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★ Recommended
“One of the most significant upgrades the LRP serum range has had. Tranexamic acid was previously only available in prescription treatments for melasma. Having it in a well-tolerated OTC serum alongside clinical-concentration niacinamide makes this genuinely different from most dark spot products on the market. SPF every morning is non-negotiable when using it.”
Read Aidan’s pharmacist guide →Reviewed by the Chemco Pharmacy pharmacist team.
La Roche-Posay Mela B3 Dark Spot Serum is one of the most advanced pigmentation treatments available without prescription in Ireland. It combines niacinamide at clinical concentration with tranexamic acid — an active previously used only in prescription treatments — to target both active hyperpigmentation and the post-inflammatory marks left by acne. The B3 (niacinamide) component simultaneously reduces the melanin transfer that causes dark spots while reinforcing the skin barrier, making this serum notably well-tolerated for a high-potency pigmentation treatment.
How to Use
- Apply to clean, dry skin in the evening before moisturiser
- Allow 8 to 12 weeks for full visible effect — pigmentation treatments take time
- Apply Anthelios SPF50 every morning without exception — UV exposure will worsen pigmentation and counteract the serum
- Can be used alongside retinol on alternating nights once both are established in routine
Key Ingredients
- Tranexamic Acid — previously prescription-only for melasma; interrupts melanin production pathways
- Niacinamide (Vitamin B3) — inhibits melanin transfer, reduces redness, reinforces barrier
- HEPES — gentle exfoliation to improve absorption and skin radiance
Targets: dark spots • post-acne marks • sun spots • melasma support • uneven skin tone
Fragrance-free • Dermatologist-tested • Suitable for sensitive skin
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