If you do n't notice an improvement after six weeks , see your dermatologist for a prescription retinoid ( like Renova ) and apply it every other day until your skin adjusts , then every day , suggests Sadick . A study found sunscreen also protects against free radicals -- the molecules that cause aging . The findings were published in a recent issue of the journal Nature Communications. For light sun spots , try an OTC bleaching cream .
A study found sunscreen also protects against free radicals -- the molecules that cause aging . The findings were published in a recent issue of the journal Nature Communications. For light sun spots , try an OTC bleaching cream .