Say “Sí” to luminous, healthy skin with this antioxidant-rich serum, powered by THD Ascorbate—the most stable form of vitamin C—to defend against UV damage and promote an even, radiant tone.

Organic rosehip CO2, packed with vitamins A and E, pairs with hydrating squalane and protective golden jojoba to deeply nourish, smooth texture, and reduce fine lines and hyperpigmentation. Beyond brightening, Sí Vitamin C Serum stimulates collagen production to minimize wrinkles, regenerates skin cells to fade scars, and boosts firmness, leaving your complexion brighter, smoother, and glowing with vitality.