Acne
Acne There are many causes for blackheads, but one is blackheads caused by acne. I would like to talk about that here. By the way, acne is caused by the growth of P. acnes when the pores are clogged with old and oxidized sebum and exfoliated keratin. In the early stages of acne, the surface of the pores is still slightly inflamed, but as this progresses, the inflammation spreads further and may even damage the subcutaneous tissue. As a result, acne scars may remain or pigmentation may result in darkening even after the inflammation has healed. The darkening of acne scars is caused by the tearing of capillaries and the outflow and deposition of red hemoglobin in the dermis layer during inflammation. The iron present in hemoglobin turns purple before it binds to oxygen and turns red when it binds to oxygen. Therefore, the initial pigmentation is purple, but then it turns red and black. ...