The brand’s ULTRAFiller+ Hair Density Scalp Serum targets fine, thinning hair at the roots by nourishing the scalp with a potent blend of ingredients, including biotin, peptides, and caffeine.

Worry no more; we have some of the most reliable hair serums and oils that keep your locks well-conditioned from root to tip ... your hero is this Liss Unlimited Serum by L'Oreal Professionnel.