Choosing the right brow serum can feel like a lot, but it doesn’t have to be complicated. The main thing is to find a formula ...

"Topical biotin can help with skin hydration of the scalp," she shares ... Houshmand also recommends this serum from Nioxin.

Help your lashes grow longer than ever before with ETUDE’s My Lash Serum ($8). With the use of key ingredient biotin, this lash serum helps your lashes grow long and stay strong and healthy.

Lash Therapy's dermatologically tested formula is kind to the skin and powerful ... This lash serum uses an exclusive Hexatein 1 Complex as well as a blend of peptides, biotin, panthenol, amino ...