Medically reviewed by Marisa Garshick, MD Key Takeaways A callus is a hard and thick patch of skin caused by friction or pressure, often on hands or feet.Calluses can be treated with salicylic acid, a ...

Fresh yellow corn in husks on a wooden table - Kseniya Ovchinnikova/Getty We may receive a commission on purchases made from links. Aw shucks. Separating the white silky fibers from a fresh ear of ...