The future of Vitamin C has arrived!This 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 20% THD Ascorbate Vitamin C, this serum’s performance is boosted by the addition of two ultra-powerful antioxidants to deliver a complete and advanced formula for your ageing, firming and brightening concerns. This fragrance-free, rich serum is a must-have in your routine to help diminish the appearance of fine lines, wrinkles, whilst addressing skin firmness, uneven skin tone, texture and brightness. Fragrance-free. Benefits of Peter Thomas Roth Potent-C Power Serum 30ml: 50x more powerful than traditional vitamin C Rich and moisturising  Reduces the appearance of fine lines and wrinkles  How to use:Apply both morning and evenings before your regular moisturiser.Size: 30ml