Beautycounter All Bright C Serum Size 30ml New. Never Used. Beautycounter's All Bright C Serum is a powerful, clinically proven vitamin C serum with antioxidant-rich turmeric for glowy, instantly brighter skin. Key Ingredients 10% Vitamin C Blend: 5% Tetrahexyldecyl Ascorbate (Vitamin C): Antioxidant that reduces the appearance of dark spots and boosts skin brightening. Helps support skin's natural production of collagen to reveal more youthful-looking skin. 5% Bis-Glyceryl Ascorbate (Vitamin C): Moisturizes skin while providing antioxidant benefits known to protect skin from damaging environmental stressors. Helps improve the appearance of fine lines and wrinkles. Curcuma Longa (Turmeric) Root Extract: Antioxidant defense helps to improve skin radiance by evening skin tone and helping improve the appearance of fine lines and wrinkles. Myrciaria Dubia (Camu Camu) Fruit Extract: This powerful antioxidant helps reduce the appearance of dark spots, while brightening, to visually improve signs of skin fatigue.