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Types of Acne
There are several types of acne and determining which one
you have will assist you in finding a way to treat them effectively.
Non-Inflammatory
Whiteheads (open comedo) are caused when a
pore becomes blocked, then closes and bulges out. The white
appearance of the is caused by the bacteria inside the blocked
pore turning the sebum to "free fatty acid".
Blackheads (closed comedo) are caused by partially
blocked pores that stay open and the top darkens. They appear
black because of the melanin pigment of the dead skin cells
not from dirt.
Inflammatory
Papules are small, red, firm bumps or spots. They
can be tender to touch and are the mildest form of inflammatory
acne.
Pustules are larger, red and clearly inflamed pus-filled
spots. They usually do not contain much bacteria. A chemical
irritation from sebum components such as free fatty acids
cause the inflammation of the pustules.
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