looking to improve the radiance, texture, tone and ultimately de-age the appearance of you skin? in dermatology today, the gold standard of care is a topical vitamin c in the a.m. along with broad-spectrum spf and a retinol in the evening. vitamin c is recommended to retard the aging process by neutralizing the effects of environmental attack. retional is recommended to help speed the cell renewal process, a process that slows down as we age.