BIOSSANCE Squalane + Lactic Acid Night Serum renews skin while you sleep. Formulated with 10% vegan lactic acid, the serum gently resurfaces the complexion, supporting cell turnover. It works to diminish the appearance of fine lines and imperfections, while also brightening the complexion. The addition of squalane soothes and fortifies, leaving skin feeling stronger, healthier, and hydrated. This powerful yet non-irritating formula delivers visibly smoother, more luminous skin overnight.