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Purple shampoois a blondes best friend.
Experts in This Article
Enter: Blue shampoo.
How does blue shampoo work?
To understand how it works, think back to color theory 101.
Use gentle, hydrating formulas that keep the cuticle tight.
Anything volumizing will cause the cuticle to swell, and your color will fade faster.
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In my case, twice a month has been a perfect balance.
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