La Roche-Posay Pure Vitamin C10 Serum Set of 2 | Anti-Wrinkle Brightening Antioxidant Renovating Face SerumLa Roche Posay Pure Vitamin C10 Serum Set of 2 Anti Wrinkle Brightening Antioxidant Renovating Face Serum I've been using La Roche Posay's Vitamin C10 serum for about 4 months now and getting a set of 2 was genuinely the smartest purchase I made because I was halfway through my first bottle within 6 weeks. This is one of those serums that's hard to argue with 10% pure vitamin C, thermal water, neurosensine, and an anti wrinkle antioxidant formula that