- Draize test: an animal test used to determine the effects of different substances on the
eye
- fragrance: any natural or synthetic substance or substances use solely to impart an odor
to a cosmetic product
- fragrance-free*: products so labeled may still contain small amounts of fragrances to
mask the fatty odor of soap or other unpleasant odors
- hypoallergenic*: cosmetics that are less likely to cause allergic reactions
- in vitro: From the Latin meaning "in glass," in vitro tests do not involve the
use of living vertebrate animals
- lanolin: a natural extract of sheep wool used as a moisturizer which is a common cause
of allergic reactions, but is rarely used in pure form.
- natural: ingredients extracted directly from plants or animal products as opposed to
being produced synthetically
- non-comedogenic*: products so labeled do not contain common pore-clogging ingredients
that could lead to acne
- parabens (methyl-, propyl-, and butyl-): the most widely used preservatives in the
United States, commonly used in shampoos, foundations, facial masks, hair-grooming aids,
nail creams, and permanent wave products
- propylene glycol: the most common moisture-carrying vehicle in cosmetics other than
water
- * There are no official, government definitions for these terms.
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