黑头是怎样形成的黑头是硬化油脂阻塞物,通常出现在额头、鼻子等部位。当油脂腺受到过分刺激,毛孔充满油脂而造成阻塞时,在鼻头及其周围经常会有油腻的感觉。这些油脂最终会硬化,经氧化后成为黑色的小点,这些小点就是黑头。 Blackhead is how to form blackheads is a hardening of the obstruction, usually appear in the forehead, nose and other parts. When the oestrus is over-stimulated and the pores are full of greases and clogs, there is often a greasy feeling around the nose and around it. These fats will eventually harden and become black dots when oxidized, these dots being blackheads.