Billie Eilish Is the Latest Celeb to Use This Famous Hair Serum She Calls 'Amazing' for Colored Strands

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Billie Eilish Swears by this Hair Serum
Coloured Hair

Billie Eilish Swears by this Hair Serum

Billie Eilish has always been known for her bold style, especially when it comes to her hair. From electric green roots to platinum blonde, she’s never shied away from experimenting with color. But...