Xtreme Hair Boost™ Xtreme Growth Therapy™ Xtreme Hair Boost+™ is an enhanced rejuvenation formula combined with Saw Palmetto Extract, to inhibit 11 DHT topically, while speeding up the hair development cycle. Xtreme Hair Boost+™ is suggested for men and women with medium to aggressive hair thinning. It contains soothing aloe to reduce inflammation, a contributing factor to hair thinning. Provides a better delivery system when used with Scalp Prep™ to dissolve sebum build-up, enabling better penetration of Xtreme Hair Boost+™ for maximum effectiveness. Xtreme Hair Boost+™ helps restore hair strength, thickness and volume.