EARS 

A common place for hair removal in older males. Only hair on the outer ear should be treated, and never inside the ear canal due to risk of infection.

ECCRINE GLAND

A medical term for sweat gland. These tiny pores do not contain hair follicles.

ECZEMA

Also called contact dermatitis, it’s a mild inflammation of the skin.

EDEMA (OEDEMA)

A medical term for swelling.

EFFICACY

A term meaning how well or effectively a cosmetic device works.

ELASTICITY 

The hair’s ability to stretch without breaking and then return to its original shape. 

ELECTROLYSIS

In hair removal, the practice of epilation with electrified needles. Electrolysis was originally the name for hair removal with direct current only (also called galvanic), although the term is generally applied to all three modalities of epilation with an electrified needle.

EMLA

Is a prescription topical anaesthetic used by some clients of laser and electrolysis to reduce and eliminate pain.

EMOLLIENTS 

Ingredients that soften or smooth. 

EMULSIFIER 

A thickening agent and/or binding agent added to products to change their physical composition (joins two or more ingredients together). For example, it can turn a lotion into a cream.