8 Volumizing Products That Boost Thin Hair

Heat-activated polymers found in picture-perfect IGK Next Level ($20) plump strands fast with help from a blow-dryer.

Kevin Murphy Session Spray Flex ($40) is part hairspray, part memory mist that works to keep any style from falling flat.

Whether used on dry or wet hair, fatboy Tacky Oil ($32) adds grit and volume to thin hair while protecting it from pollution and heat.

Ideal for those with a genetic predisposition to thinning, évolis Professional Prevent Activator ($65) preserves strands from shriveling.

Working its magic overnight, HairMax ACCELER8 Hair Booster + Nutrients ($35) is a leave-in brimming with top-of-the-line actives.

All-natural Collective Laboratories Activating Serum ($39) reinvigorates the scalp and boosts blood flow to follicles.

Living Proof Full Hair Supplement ($60) is clinically proven to extend the active growth cycle in 90 days.

New from Nutrafol, Core for Women Plus ($88) balances critical hormones before, during and post menopause to keep hair growth on track.