Androgens - (an-dro-gens)

A class of sex hormones

Comedo - (com-e-do)

An acne eruption (plural - comedones)

Hair Follicles - (Hair-Fa-lekels)

Tubular cavities in outermost layer of skin from which the hair shafts grow

Keloid - (ke-loid)

Large raised scar that spreads beyond the size of the original wound

Melanin - (mel-a-nin)

A pigment that imparts color to hair and skin

Sebaceous Glands - (se-ba-ceous Glands)

Glands in the skin which produce an oily substance called sebum. Sebaceous glands are closely attached to hair follicles.

Sebum - (Se-bum)

The oily substance produced by sebaceous glandS. It is composed of keratin, fat and cellular debris