Pivot Point Cosmetology Latest 2023 Graded A

Pivot Point Cosmetology Latest 2023 Graded A trichology The study of hair 3 types of hair follicle round, oval & elliptical cuticle layer outer layer of the hair, hard resistant layer cortex middle layer of the hair, soft elastic quality medulla center layer of the hair keratinization process where cells change their shape, dry out & form keratin protein hair primarily made up of protein anagen "growing stage" hair bulb has an attached root sheath. hair is darker catagen "transitional stage" ALL cell division stops. only lasts a few weeks. telogen "resting stage" hair bulb has no attached root sheath. Hair falls out. melanin gives skin & hair their color eumelanin black/brown color pheomelanin red in color, melanin that provides natural hair colors from red and ginger to yellow/blond tones albinism absence of pigmentation in the eyes and skin and hair texture degree of coarseness or fineness in the hair fiber density judged by the # of active hair follicles per square inch hair porosity the ability of the hair to absorb moisture hair elasticity the ability of the hair to stretch and return to its original length without braking broken hair "abraded hair" Split ends "trichoptilosis" matting "pilica polonica"; hair tangled together nodules "trichorrhexis nodosa" presence of lumps or swelling along the hair shaft canities technical term for gray hair ringed hair Alternating bands of gray and dark hair. hypertrichosis is an excessive growth of hair monilethrix technical term for beaded hair psoriasis a chronic skin disease characterized by dry red patches covered with scales dandruff loose scales shed from the scalp ringworm Scaly, Round, itchy patch on skin. (Contagious) ringworm of the scalp enlarged open hair follicles that are surrounded by clusters of red spots honeycomb ringworm dry, yellow, encrusted areas on the scalp itch mite scabies head lice infestation of head lice on the scalp lanugo baby fine, silky hair vellus short, fine, non-pigmented hair alopecia excessive hair loss androgenetic alopecia heredity, hormones & age postpartum alopecia hair loss due to pregnancy alopecia areata round or irregular patches w/o an inflamed scalp telogen effluvium premature shedding of hair traction or traumatic alopecia repetitive traction on the hair by pulling and twisting