皮ひ屑せつMeanings1noundander; skin flakes; dead skin cellsmedicine›Medical term for small particles shed from the skin, such as dander or flakes of dead skin.アレルギーの原げん因いんとして、ペットの皮ひ屑せつが挙あげられる。Pet dander is cited as a cause of allergies.乾かん燥そう肌はだでは皮ひ屑せつが目め立だつことがある。With dry skin, skin flakes can become noticeable.