Kosas Cosmetics - 100% Makeup. 100% Skincare.

GrowPotion

GrowPotion - Main image
$24 $48 In stock

Category: Brow

Manifest Your Best Brows + Lashes.
Clean 2-in-1 brow and lash boosting serum powered by peptides and vegan keratin that accelerates the appearance of fuller, feathery brows and longer, thicker lashes. Safe for sensitive eyes. Prostaglandin-free.

After 12 weeks of use, 97% saw clinically measured improvement in brow length + lash volume.*

Customer Reviews (4.6 / 5 · 19 reviews)

Lily ★★★★★

I was skeptical about another brow serum, but the peptide and vegan keratin combo really delivers—my lashes look noticeably thicker after a month of nightly use, and the brush makes application mess-free.

Zoe J. ★★★★★

Three weeks in and my brows are already noticeably fluffier. The peptide and vegan keratin formula doesn't irritate my sensitive skin at all, and I love that one serum handles both brows and lashes.

Joseph D. ★★★★★

I was a little skeptical about a 2-in-1 serum, but the vegan keratin formula feels light and absorbs fast. After about a month, my brows look noticeably fuller and my lash line has that feathery, thicker appearance I was hoping for.