Page 198 - Cosmetology

boysenberry. Berry that can have potent antioxidant properties
Brassica campestris. See rapeseed oil.

Brazil nut extract. There is a small amount of research showing it can have antioxidant properties
Brewer's yeast. See yeast.

broad spectrum. Meant to refer to a sunscreen's ability to protect the skin from both UVA and UVB rays
from the sun. This term is not regulated by the FDA, so a cosmetic company can make this claim about a
product even when it does not actually provide adequate broad-spectrum protection. See UVA.

bromelain. Enzyme found in pineapple. Theoretically bromelain breaks down the connecting structure that
holds surface skin cells together, which causes exfoliation, but it can also cause irritation. However, exactly
how much bromelain is needed, whether it is stable, and in what bases and pH it works best have not been
established. There is little to no research demonstrating how bromelain reacts on skin.

bronopol. Technical name 2-bromo-2-nitropropane-1,3-diol, a formaldehyde-releasing preservative
formaldehyde-releasing preservative.

bronze powder. Mineral coloring agent derived from copper. Permanently listed (since 1977) by the FDA as
a safe coloring additive.

brown algae. There is no research showing this to be beneficial for skin

bumetrizole. Sunscreen ingredient that absorbs primarily UVB light.

Bupleurum falcatum extract. There is no research showing extracts of this plant to have any benefit for
skin, though it may have some wound-healing properties for peptic ulcers. It does contain glucoside and
polysaccharide, but whether these can affect skin following topical application of the extract is unknown

Bupleurum falcatum extract. A plant used in Chinese medicine for a variety of ailments ranging from the
common cold to liver problems. Some research has shown this extract to have anti-tumor, anti-inflammatory,
and antioxidant properties. Whether or not these benefits can be delivered to skin in a lotion or cream is
unknown.

Bupleurum falcatum extract. A plant used in Chinese medicine for a variety of ailments ranging from the
common cold to liver problems. Some research has shown this extract to have anti-tumor, anti-inflammatory,
and antioxidant properties. Whether or not these benefits can be delivered to skin in a lotion or cream is
unknown.

burdock root. A small amount of research shows this plant it to be effective as an anti-inflammatory agent
and antioxidant

butcher's broom extract. There is evidence showing that it can reduce edema and venous problems when
taken orally. It may also have anti-inflammatory properties for skin, but there is little evidence of this.

butyl acetate. Solvent used in nail polish and many other products
C

C10-18 triglycerides. Used as an emollient and thickening agent in cosmetics. See glyceryl ester.

C12-15 alkyl benzoate. Used as an emollient and thickening agent in cosmetics. See glyceryl ester.

C12-18 acid triglyceride. Used as an emollient and thickening agent in cosmetics. See glyceryl ester.

C18-36 acid triglyceride. Used as an emollient and thickening agent in cosmetics. See glyceryl ester.

C20-40 pareth-40. A mixture of polyethylene glycols of various molecular weight that can function as a
stabilizing agent, solubolizer, and surfactant.

cabbage rose extract. Highly fragrant substance that can be a skin irritant.