FORMULA No.10 is a 10-out-10 ampoule because it has the lot. With Vitamin C-Tech, proteoglycans, colour pigments and sunscreen for sun protection factor 30 and UVA and HEV protection. This combination is synonymous with moisturising, antioxidant and firming efficacy and a touch of colour... A moisturising formula with colour and sun protection in a single applicatio