Cosmetology Instructor Study Guide 100% Correct

Abrasion - ANSWER A spot rubbed bare of skin. Absorbent - ANSWER Having the power or capacity to take in, by suction. Absorption (skin) - ANSWER The process by which a substance, placed on the outer layer of the skin, penetrates to the underlying tissues. Accelerator - ANSWER Any agent which hastens or quickens action; or that which quickens or hastens the speed of; or causes to move or progress faster. Acetic Acid - ANSWER A water-like solution related to vinegar. (Should be diluted for cosmetic use.) Acetone - ANSWER A colorless, inflammable, volatile liquid. Used as a nail polish remover. Acid - ANSWER Any substance which is on the low side of 7 on the pH scale, I.e., temporary color rinses, wet hair, peroxide, vinegar, lemon juice, cream rinses, etc. Acid Rinse - ANSWER A solution of water and either citric or acetic acid, used to remove soap curds or film from the hair. Also used to help remove snarls from the hair. Acne - ANSWER Any inflammatory disease of the sebaceous glands. Activator - ANSWER Any agent, instrument, chemical or device which induces action in an otherwise dormant substance. Acute - ANSWER Having a short, sharp, and relatively severe course. Adulterate - ANSWER The addition of an impure or unnecessary ingredient to falsify a preparation. Alcohol - ANSWER A colorless, volatile liquid which when properly diluted may be used as an astringent and antiseptic. Alkaline - ANSWER Any substance which is on the upside of 7 on the pH scale, I.e., ammonia water, commercial soaps, permanent wave lotions, sodium-hydroxide, etc. Allergy - ANSWER A condition of extreme sensitivity to certain things, food, or chemicals, etc. which do not adversely affect most individuals.