Flash Vitamin C Serum 20mlFlash Vitamin C Serum 20ml 5% Vitamin C + Ferulic Acid Flash Vitamin C Serum is Derma. pks own brand brightening serum combining 5% Vitamin C (L Ascorbic Acid), 1% Ferulic Acid, Glycerin, and Aloe Vera. Ferulic Acid stabilises and amplifies Vitamin Cs antioxidant power, delivering immediate radiance plus long term collagen boosting and dark spot fading benefits. Suitable for all skin types. Evening use recommended for best results. Key Ingredients &
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