La Roche-Posay Substiane [+] Anti-Aging Replenishing Care has the following features: A groundbreaking anti-aging replenishing moisturizer for mature skin. Formulated with 5% Pro-Xylane and 4% Linactyl. Helps re-densify mature skin and restore skin's substance to visibly strengthen skin structure. Improves sagging skin while creating rich, intense skin’s texture. Skin appears firmer, more toned, radiant and younger looking.