Turn your favorite hair product into a custom-mixed toner to banish brassiness and increase luster and depth of brunette hair.
The concentrated blue leave-in pigment tones orange and red brass, while artichoke extract prevents color fading and antioxidant- and vitamin-rich blueberry extract nourishes hair.
$118 of cruelty-free beauty, curated by us, yours for $39.99.
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