My Chemistry (pH Regulator-Adhesion Promoter) - 15 mL / 0.5 Fl. Oz. Bottle Now you can experience the secret to maximum wear time of your manicure regardless of your chemistry! Properly prepping your nail plate by adjusting the pH is an essential salon trade-secret method used by professional nail technicians that you've been missing at home! Buy Now My Chemistry is an essential step that can ensure maximum adhesion for all nail products by shifting the surface of the natural nail to its optimal pH level. Simply apply it to the natural nail and wait 30 second. Once dry, the nail is ready to increase the adhesion of all nail enhancements. Use before nail polish to prevent chipping. Use before primer for added lifting prevention. My Chemistry improves the adhesion of all nail products.