BOOTS VITAMIN C BRIGHTENING SLEEP MASK 50ML brighter skin within 7 days* nourishes overnight for radiant skin We’ve lovingly formulated Boots vitamin C brightening sleeping mask with 2x vitamin C** and Yuzu extract. This sleeping mask helps nourish overnight for radiant and brighter skin within 7 days*. We’ve tasted this and it’s suitable for all skin types. Here’s how to use: After serum, apply mask evenly across face and neck. After the product is absorbed completely, leave treatment overnight and rinse off in the morning