The exact cause of acne is not known, but one important factor is an increase in hormones called androgens.

These, in turn, produce male hormones called androgens.

High insulin levels increase the production of male hormones called androgens.

Testosterone belongs to a class of male hormones called androgens.

Male hormones are called androgens from Greek words andro meaning man, and gen meaning giving birth to.

They may also take drugs that stop male hormones called androgens.

Leydig cells release a class of hormones called androgens (19-carbon steroids).