BOOTS VITAMIN C BRIGHTENING SHOWER SERUM 495ML brighter skin cleanses and nourishes skin We've lovingly formulated Boots vitamin C brightening shower serum with 2x vitamin C and YUZU extract. This shower serum transforms into soft foam when mixed with water to help cleanse without over-drying skin. It leaves skin feeling instantly refreshed and nourished. Skin looks brighter. Don't worry we have tested this and great news is that it's suitable for all skin types.