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10 Vs. 20 Volume Developer: How They Differ And How to Pick One

When bleaching or dyeing your hair, you have to choose the right developer volume. Two of the most common options are 10 and 20. People often get stuck choosing between them. Developer contains hydrogen peroxide, which helps open the cuticle so color can deposit or lighten. 20-volume developer contains more hydrogen peroxide than 10-volume developer. …

What Does Blue Shampoo Do to Blonde Hair?

If you’re a natural blonde or have ever lightened your hair, you might have considered using purple or blue shampoo. Typically, blondes use purple shampoo to keep blonde looking fresh. But what does blue shampoo do to blonde hair? The answer depends on the undertones in your hair. Blonde can be icy and cool. It …