Skin Care Terminology and Facts Dictionary - L

lactic acid:	an alpha hydroxy acid or AHA derived from milk. Exfoliant used in skin care. Found in the Nancy K Brown Aloe Liquid Toner.
lecithin:	naturally occuring mixture of stearic, palmitic and oleic acid compounds. Used in skin care as a surfactant and emulsifier.
lesion:	collective term for any growth or abnormal mark on skin.
lichenification:	condition or process where skin has thickened, marked by pronounced creases or skinfolds which appear as deep groves and wrinkles. Caused by excessive and prolonged rubbing and / or scratching.
ligament:	a band of tissue, usually white and fibrous - may serve: 1) to hold organs in place; 2) connect bones; or 3) provide firmness and support to masses within the body - such as the breasts.
loofah:	dried sponge derived from the loofah plant, used as a mechanical exfoliant by itself or ground-up as an ingredient in scrubs or exfoliating masks. See the Nancy K Brown Soft Scrub Mask + Honey.
lunulae:	the crescent shaped white area of your finger and toe nails.

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