age spots and white patches on upper back. they are brown, gray, or black spots and also called liver spots, senile lentigo, solar

abnormal adult age aging asian back black body brown care changes closeup color damage dark discoloration discolored discolouration dry elder elderly health hypopigmentation hypopigmentations lentigines lentigo liver man melanin myanmar nape old patches pigment pigments problem senile shoulder skin small solar spot spots sun tan tiny trunk uv white