Melanin is what provides the skin a tanned appear, but scars deliver it in uneven patches. An excessive amount melanin about the upper layers of skin produces hyperpigmentation.Hãy ??n v?i Th?m m? vi?n Vi?t M? ?? tr?i nghi?m d?ch v? ch?t l??ng và chuyên nghi?p.An abnormal scar happens when far too much scar tissue is created or even the collagen… Read More