Products produced by bees are the best natural wound healers in the world. The exceptionally regenerating royal jelly produced exclusively for Guerlain is present in a very high concentration in this serum with an intensive toning effect. Due to their active power in a single serum Pure Concentrate Royal stimulates the main mechanisms of the healing process in the skin to help restore wrinkle and firming tissue, visible results from the first drops: wrinkles are plumped, the skin firms and regains its firmness .