BEST Multitasking Hair Serum
TheBioBrew Fermented Leave-in Hair Serum
A true multitasker, The Rootist BioBrew Fermented Leave-in Hair Serum is clinically proven to make hair three times stronger and control frizz for 72 hours without disrupting your scalp microbiome.
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$48
After using this for weeks, my hair feels so much stronger and frizz-free without any greasy residue. —Danielle Dooley, director of editorial partnerships
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