Yes. Estrogen in women helps maintain skin thickness and hydration, so women may see accelerated aging after menopause. Testosterone gives men thicker skin but larger pores; both benefit from the same preventative actives.
Vitamin C is a powerhouse. As an antioxidant, it inhibits the melanin production that causes dark spots while also protecting against free radicals that lead to wrinkles.
Apply a thick layer of a hydrating cream or ointment (like petroleum jelly) to your elbows and wear long-sleeved cotton pajamas to allow for deep, intensive absorption while you sleep.
While no food replaces sunscreen, some can offer an internal layer of protection. Foods high in lycopene (tomatoes, watermelon) and flavonoids (dark chocolate, citrus) have been shown to provide a small degree of photoprotection.