Obagi Hydrating DropsObagi Daily Hydro Drops Facial Serum is a hydrating serum that revives a dull complexion for a more youthful glow. As skin ages, there is a loss in its natural barrier that contributes to dull, lackluster skin and the progressive signs of skin aging. Skin needs daily hydration and the barrier support necessary to attract and retain moisture, as well as protect against free radicals, UV damage, and other environmental aggressors. This hydrating facial