The Ordinary Vitamin C Suspension 30% in Silicone is a water-free, stable formula featuring a high concentration of pure L-Ascorbic Acid in a silicone base. This potent treatment helps brighten skin tone, reduce signs of aging, and provide antioxidant protection while minimizing the tingling sensation common with vitamin C products. This product contains 30% pure L-Ascorbic Acid (Vitamin C) suspended in a silicone base for enhanced stability and improved skin feel. The water-free formula helps maintain the vitamin C's potency. The silicone base helps reduce the tingling sensation that can occur with high-concentration vitamin C products. For best results, apply a small amount in the evening after cleansing. The product can be diluted with a cream if sensitivity occurs. Not recommended for use around the eye area. Patch testing is advised before first use.