Milady's Esthetics Chapter 17 Hair Removal
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24 terms
Terms | Definitions |
|---|---|
 anagen | 1st stage of hair growth, during which new hair is produced. |
| arrector pili muscle | located in the hair follicle; when it contracts the hair stands straight up, causing goose bumps. |
| barbae folliculitis | Infected Inflammation of the hair follicle; ingrown hairs due to shaving. Pseudofolliculitis is inflammation of hair follicles without the infection. |
| catagen | Second transition stage of hair growth; in the catagen stage, the hair shaft grows upward and detaches itself from the bulb. |
| depilation | The process on removing hair at skin level |
| depilatory | Substance, usually a caustic alkali preparation, used for the temporary removal of superfluous hair by dissolving it at the skin surface level. |
| epilation | Removes hair from the follicles; waxing or tweezing |
| electrolysis | removal of hair by means of an electric current that destroys the root of the hair |
| hair bulb | The swelling at the base of the follicle that provides the hair with nourishment; it is a thick, club-shaped structure that forms the lower part of the hair root. |
| hair follicle | the tubular sheild that surrounds the hair shaft; the "pore" where hairs grow. |
| hair papillae | cone-shaped elecations at the base of the follicle that fits into the bulb. The papillae are filled with tissue that contains blood vessels and cells necessary for hair growth & follicle nourishment. |
| hair root | Part of the hair that lies within the follicle at its base, where the hair grows. |
| hair shaft | the portion of the hair that projects beyond the skin, consisting of the outer layer (cuticle), inner layer (medulla), and middle layer (cortex). Color changes happen in the cortex. |
| hirsutism | growth of an unusual amount of hair on parts of the body normally bearing only downy hair, such as the face, arms, and legs of women or the backs of men |
| hypertrichosis | excessive hair growth where hair does not normally grow |
| intense pulsed light (IPL) | A photoepilation hair-reduction method using flashes of light and different wavelengths; an intense pulse of electromagnetic radiation. |
| lanugo | the fine downy hair covering a human fetus |
| laser hair removal | A photepilation hair reduction treatment in which a laser beam is pulsed on the skin using one wavelength at a time, impairing hair growth; an intense pulse of electromagnetic radiation. |
| photoepilation | The hair removal method that uses lasers intense pulsed light to destroy the growth cells of hair follicles is |
| sugaring | ...an ancient method of hair removal, dating back to the Egyptians. The original recipe is a mixture of sugar, lemon juice, and water is heated to form syrup, molded into a ball & pressed onto the skin, and then quickly stripped away. |
| telogen | Final hair- growth stage, the resting stage. |
| thermolysis | A heat effect; used for permanent hair removal. |
| trichology | The scientific study of hair and its diseases. |
| vellus hair | very fine, soft, downy hair covering most of the body. |
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