Peroxides Flashcards by Amelia Lewis | Brainscape

Q

what does a 20Vol do?

A

only volume to lift grey hairs

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Q

How many levels do 20vol lift?

A

2 levels of lightening

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Q

How many legal a does a 30vol lift?

A

3 Levels of lightening

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Q

How many levels does 40vol lift?

A

4 levels of lightening

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Q

which vol is the only one to lift grey hair?

A

20Vol

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