30% Vitamin C Serum Tri Vita C30 is an innovative combination of 3 forms of vitamin C to reach several depths of the skin and release antioxidant benefits over time. Skin looks younger, healthier and more radiant. Industry-leading concentrations for optimal dermo-revitalization, free radical protection and skin restoration. 30% Vitamin C: 15% L-Ascorbic Acid: Provides optimal antioxidant action. 14.5% Ascorbyl Silanol: Combination of Silanol and Vitamin C for superior anti-radical and age-defense actions of the Vitamin C thanks to a deep penetration. 0.5% Ascorbyl Ester: Combats the signs of photo-aging, evens out complexion and boosts skin radiance. Vitamin E Ester: Powerful antioxidant that complements and potentiates the Vitamin C’s efficacy and stability. Ferulic Acid Ester: Renowned antioxidant that boosts and enhances the photo-protection action of the Vitamin C & E.