Le Grand Serum

A comprehensive finishing serum that utilizes a complex of 27 active ingredients to target firmness, regeneration, and deep-set wrinkles. The formula features Telomeractiv, a specialized active aimed at improving the stability and longevity of skin cells while encouraging collagen production. As the final step in a Biologique Recherche routine, it provides a refined, radiant finish that acts as a protective seal for the complexion. It’s a serious investment piece for mature skin, rewarding those who prioritize long-term cellular health over a quick fix.