Healthy skin possesses an antioxidant defense system against oxidative stress.1-4 However, overexposure to ultraviolet radiation (UVR) can overwhelm this defense system’s capacity, leading to skin disorders such as sunburn, photosensitivity reactions or immunologic suppression, as well as photoaging, malignant skin tumors and other long-term sequelae.1,2 Application of topically exogenous antioxidants may prevent or minimize such damage.1,5-8
