Olaplex

No.4P Blonde Enhancer Toning Shampoo

8.5 fl oz

$30

A highly concentrated purple shampoo that cleanses, tones, and hydrates from roots to ends while helping neutralize brassiness and boost brightness.

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Our recommendation

What to know.

Best for

  • Blonde, gray, or lightened hair
  • Brass control
  • Brightness maintenance
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