Lightweight, non - greasy Non - comedogenic Dermatologist tested for gentleness UVA/UVB SPF 15 Sunscreen helps protect skin against damage caused by sun exposure Skin Aging Discovery Around age 30, skin begins to weaken. To keep skin looking young, it is essential to maintain the strength of each layer. When the surface layers are strong, skin's cells are perfectly organized and skin's surface is smooth, tight and even. Young, strong skin = Healthy, smooth surface Aged, weakened skin = Rough, uneven surface Skin Genesis Multi - Layer Cell Strengthening Inspired by the skin aging discovery, L'Oreal introduces a new generation of skincare designed to strengthen the upper layers of skin.