Inspired by the mechanisms of tissue healing , this serum contains a new generation active ingredient with retinol-like function: Bakuchiol Pro-collagen. This naturally occurring active ingredient is more effective than retinol in stimulating the synthesis of collagen I, but without its undesirable effects. The Alchemilla, Ivy, Horsetail complex helps repair the epidermis and restore tension to the dermis. While the Hyalu-3 concentrate , a true LIERAC signature, plumps the tissues. Its flexible bulbs allow precise, practical and hygienic use. An active gel-fluid texture that penetrates quickly, leaving on the surface a feeling of filled and wrinkled skin. Its fragrance with notes of jasmine, green apple, rosewood and ozonic accord distills a feeling of freshness.