Get a firmer-looking booty with our bestselling leave-on booty mask that is clinically proven to reduce the appearance of cellulite and visibly firm the skin around the booty and thighs. Clinical Results Our formulas go through rigorous clinical trials conducted on panels of real women. The trial found that B-TIGHT is: Clinically proven to smooth the look of skin on the booty. Clinically proven to firm the look of skin on the booty. Clinically proven to reduce the look of rough skin on the booty. Clinically proven to visibly firm skin around the booty and thighs. Clinically proven to give a tighter-looking booty. *Based on a 56-day clinical trial with 29 participants. NEW, unused. Check out other products from this line and bundle to save!