Revitalize your hair with Plantur 39 Phyto-Caffeine Women’s Scalp Tonic. Specially formulated for fine and thinning hair, this leave-in treatment features a powerful, sulfate-free blend of phyto-caffeine, castor oil, and niacin. It works to deeply nourish the scalp, stimulate natural hair growth, and promote stronger, healthier, and more resilient strands with every use.