Truly Tush & Tatas Tighten & Firm Performance Body Wash. Lather up your lady lumps with this tightening body wash! A bottle full of elasticity-boosting retinol, hyaluronic acid, and collagen booster to restore your tautest tush and tatas, while leaving you smelling seductively coconut-y. 16 oz New Key Ingredients Retinol slows down the breakdown of collagen and boosts elasticity, giving skin a firmer and plumper appearance. It can also improve skin tone and texture. Acai is a tiny but mighty antioxidant-rich berry that protects against free radicals and delays signs of aging.