SkinBetter Science® Alto Defense Serum is a potent, antioxidant-rich serum designed to protect skin from environmental stressors while improving its overall tone and texture. Its advanced formulation helps reduce the appearance of fine lines and wrinkles, soothes visible redness, and enhances skin radiance. Lightweight and fast-absorbing, it supports a healthy-looking complexion and is suitable for all skin types, including sensitive skin.