PR Lotion is designed to maximize your training and recovery by unlocking bicarb, a natural electrolyte that improves muscle function and helps you combat fatigue during hard workouts. PR Lotion is the world\'s first and only sports lotion that unlocks the natural electrolyte bicarb. Powered by InnerEdge™ technology, PR lotion delivers bicarb directly to the working muscles via the skin. It is scientifically proven to improve performance and decrease muscle soreness to help you make training gains, faster. When To Use It During your pre-workout routine. How Much Use a heavy coat. More is better. Pile it on and rub it in! Where To Apply For lower body workouts, calves to low back. For upper body workouts, arms, shoulders, chest, back. Groundbreaking skin absorption technology. New and improved formula. Clean sport compliant. Helps combat fatigue during hard workouts. Delivers bicarb directly to the working muscles via the skin. It is scientifically proven to improve performance and decrease muscle soreness.