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9 questions
What is the pH of hair and skin
pH 6.5-7.5
pH 3.5-4.5
pH 4.5-5.5
pH 8.5-9.5
Permanent colour has an approximate pH of
5.5
9.5
3.5
8.5
What numbers represent acids on the pH scale?
0-5
0-5.9
0.-6.9
7.1-14
pH balanced shampoo and conditioning products have a pH of
7.5-8.5
2-5
6-8
4-5-6
What numbers represent alkalis on the pH scale?
7.1-14
8-14
0-6.9
4-8
A mild alkali will
open the cuticle
damage the cuticle
close the cuticle
not have any affect
Hair and skin is
Acid
Alkaline
What will a mild alkaline do to the hair
close cuticle
have no affect
lift the cuticle
damage the cuticle
Strong acids and alkalis can
give hair shine
damage hair
have no affect
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