HairPedia - Beauty Product Glossary - Health and Beauty A to Z

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Hair & Cosmetic Glossary

A	N
B	O
C	P
D	Q
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H	U
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K	X
L	Y
M	Z

Henna
Derived from the henna plant, a vegetable dye made from its leaves and stems into a powder. Traditionally, it imparts a reddish cast to the hair by coating it. Clear henna enhances shine. Henna cannot be dyed over since it coats the outer hair shaft, affecting the penetration of the chemical colorant.
Highlights
The subtle lifting of color in specific sections of hair. See also
Honey
Humectant for skin and hair.
Humectant
An ingredient in skin or hair products that draws moisture from the air to moisturize.
Hydrolyzed Keratin
Protein for the hair derived from non-animal sources.
Hypoallergenic
Cosmetics that are less likely to cause allergic reactions. (There is no official governmental definition for this term.)

(~) = Potential Irritant (~~) = Common Irritant (+) = Known for Gentleness

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