@suemarriott0: Post-summer dark spots got you noticing more pigmentation? You're not alone ☀️ COSRX Advanced The Vitamin C 23 Serum is exactly what I've been reaching for. Vitamin C works by blocking the melanin production process triggered by UV exposure, helping to improve the appearance of dark spots and hyperpigmentation. It also has antioxidant effects that help neutralise free radicals generated by UV exposure, helping to protect and maintain healthy skin. What makes this one different? It contains 23% PURE Vitamin C — not a derivative like many others — so it absorbs well and delivers great efficacy. That high 23% concentration means it's potent and effective, yet still really affordable. It brightens, evens tone, and helps fade the look of dark spots for a more radiant complexion. Just a gentle note — this is a high-strength formula, so if you have very sensitive skin or are new to potent Vitamin C serums, I'd recommend patch testing first and introducing it gradually. Always follow with SPF during the day! Pro tip: Keep it refrigerated to help minimise oxidation and keep that high-purity Vitamin C fresh and effective ✨ @COSRX Official @4AM Marketing – Saebyeok Naesi #COSRX #COSRXPartner #VitaminCSerum #Hyperpigmentation #darkspotcare

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