The future of Vitamin C has arrived. Potent-C Power Serum unleashes the strength of THD ascorbate, an ultra-stable scientific breakthrough ingredient 50 X more powerful than traditional Vitamin C. Packed with a jaw-dropping concentration of 20% Vitamin C, the serum\'s efficacy is amplified by the addition of two ultra-powerful antioxidants (3% Vitamin E and 2% Ferulic Acid), delivering a complete and advanced anti-aging, firming and brightening treatment. This rich moisturising serum is a must to help improve the look of fine lines, wrinkles, firmness, uneven skin tone, texture and brightness. Fragrance-free and non-irritating. Defy 7 signs of aging in 7 days - Helps improve the look of fine lines, wrinkles, firmness, uneven skin tone, texture, brightness and dehydration in 7 days. Based on a 28-day consumer perception study with 35 female subjects.