SVR AMPOULE A This serum, highly concentrated in vitamin A, retexturizes the skin tissue to smooth the skin. Day after day, the skin texture is refined, the skin quality is improved and skin looks younger. Vitamin A / Retinol is a leading anti-aging active ingredient which retexturizes skin and corrects deep wrinkles. Potent, 0.3% is enough to renew your skin. SVR has selected two forms of vitamin A including an encapsulated form for effectiveness at every level of the epidermis and optimal tolerance for sensitive skin.