Having dark spots is a very common skin issue that arises from sun damage, acne scars, or ageing. Though there are cosmetic ...

Its acids break down the protein that binds dead skin cells together, softening hardened spots and ... swab with undiluted apple cider vinegar and dab it onto a blemish or dark spot.

Dark spots on ... include lemon and apple cider vinegar. No studies back the claims that these treatments work. In some cases, unproven treatments may aggravate the skin. For example, the American ...