Cysts

Crusting of skin bumps.

Scarring with small red patches.

Blackheads or pores.

Papuls/small red bumps

Pustules

Causes:

Hormonal changes such as puberty or pregnancy.

Some medications, like drugs or steroids have chemicals that are not natural that causes acne.

Diet can definitely impact acne, sugar proves to influence acne, and so does poor diet in general.

Diagnosis:

Doctor or dermatologist can diagnose acne, they will examine your face and determine what form of acne yo have and will suggest often to not use makeup and other solutions.

treatment:

There are several natural treatments including herbs, and stopping use of makeup, but some creams that doctors often prescribe include:

Benzoyl Peroxide

Tretinoin

Antibiotics

Marcolide

The treatment obviously depends on the severity of the acne as well.