Le Grand Serum is the ultimate Finishing Serum. Le Grand Sérum is a truly ubiquitous serum with global action. It boosts skin's age-defying performance and effective self-defense against aggressions. Daily use drastically improves the skin's glow, tone, and complexion. Skin will be youthful, plump and revitalized instantly. Recommended for all Skin Instants®®.
- Apply 4 to 5 drops of finishing serum to the entire face, throat and décolleté, in the morning and/or at night. This product is applied as the final touch of the Biologique Recherche skincare program.