Time Release Serum with Vitamin C & E Complex Potent Antioxidant Protects & Rejuvenates Vitamin C & Vitamin E Paraben Free Collagen+C Liposome Serum is made using time-release micro-capsules that penetrate the skin to deliver collagen stimulating ingredients and potent antioxidant where the skin needs them most. Fat-soluble Vitamin C, Vitamin E, and phospho-lipids containing essential fatty acids to enhance the skin's firmness, elasticity, and moisture.