Cosmetology Week 4 Vocabulary List

Effective Communication

The act of sharing information between two people (or groups of people) so that the information is successfully understood

Contamination

The presence, or the reasonably anticipated presence, of blood or other potentially infectious materials on an item’s surface, or visible debris or residues such as dust, hair, and skin

Motor nerves

Also known as efferent nerves; carry impulses from the brain to the muscles or glands; these transmitted impulses produce movement

Sudoriferous glands

Also known as sweat glands; excrete perspiration and detoxify the body by excreting excess salt and unwanted chemicals

Onyx

Technical term for nails of the fingers and toes

Scutula

Dry, sulfur-yellow crusts on the scalp in tinea favosa or tinea favus; has distinctive odor

Iontophoresis

Process of infusing water-soluble products into the skin with the use of electric current, such as the use of the positive and negative poles of a galvanic machine

Shrinkage

When hair contracts or lifts through the action of moisture loss or drying

Deionized water

Water that has had impurities (such as calcium, magnesium, and other metal ions that would make a product unstable) removed

Weight line

Visual line in the haircut where the ends of the hair hang together

Ribboning

Technique of forcing the hair between the thumb and the back of the comb to create tension and compact ends

Capless wig

Also known as open caps; machine-made from human or artificial hair that is woven into rows of wefts; eggs are then sewn to elastic strips in a circular pattern to fit the head shape

Weaving

Involves taking 1/8 inch hair sections by making a straight part at the scalp, then separating select strands using a tail comb to go in and out of the section; lightener or color is applied only to those strands

Oxidation-reduction

Also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)

Rosacea

Formerly called acne rosacea, chronic condition that appears primarily on the cheeks and nose; characterized by flushing (redness); telangiectasia (distended or dilated surface blood vessels); and in some cases the formation of papules and pustules

Contraindication

Condition that requires avoiding certain treatments, procedures, or products to prevent undesirable side effects

Melanonychia

Significant darkening of the fingernails and toenails caused by increased pigment cells