benign pigmentation of the skin of the hands. white-brown leather. melasma.

adult age aging beige benign care caucasian cheeks chloasma closeup concept cosmetology damaged demarcated depigmentation dermatology disease elbow female females freckle girl hand hands healthy hyperpigmentation leather loss mature medical medicine melanin melanocytes melasma patient people pigment pigmentation problem problems skin spots sunbathing sunburst tan texture treatment two vitiligo white whitebrown whitening woman women