Institut Esthederm Intensive Pro-Collagen+ Serum is a face serum with an immediate tightening and lifting effect that improves skin elasticity and redefines the complexion. Its firming effect helps stimulate the 5 natural collagens present in the skin, ideal for loss of firmness and sagging face and neck. Its formula combines Procoll+ technology with Eau Cellulaire technology to visibly firm, lift and moisturize the skin. The lightweight, gel-like collagen serum absorbs quickly into the skin, leaving a comfortable, non-greasy finish. Indicated for all types of mature skin with loss of firmness and sagging skin.