What is the quantity of 2.Oh! Anti Yellow Shampoo one needs to use?
2.Oh!’s Anti Yellow Shampoo has a very viscous consistency, so a little goes a long way.
The quan...
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FAQ Fridays > thicker hair
Can a Purple Shampoo be used to achieve a brighter hair color?
1. If your hair has a propensity to turn yellow or brassy, using a purple shampoo can help you a...
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