Hair colorings that gradually develop hair color
A) have chemistry similar to other permanent hair dyes.
B) contain lead compounds that react with hair to form black lead sulfide.
C) are dilute solutions of black paint.
D) react with hair to reform melanin and phaeomelanin.
Correct Answer:
Verified
Q108: The brown pigment in hair is called
A)eumelanin.
B)phaeomelanin.
C)chlorophyll.
D)β-carotene.
Q109: The first step in hair curling is
Q110: The last step in hair curling is
Q111: If you wish to make a shampoo
Q112: There is evidence that some hair dyes
Q114: The protein that forms the strand of
Q115: The only necessary ingredient in shampoo is
A)water.
B)conditioner.
C)fragrance.
D)detergent.
Q116: Relative to skin protein,hair protein has more
A)amino
Q117: Hair is composed of
A)carbohydrate.
B)protein.
C)fat.
D)nucleic acid.
Q118: In adult shampoos,the detergent often contains
A)sodium bicarbonate.
B)sodium
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