Already have the Smyle Whitening Kit? Keep the glow going with our easy-to-use refill set, designed to maintain your results without restocking the full kit.

Smyle’s Whitening Refill contains our signature PAP (phthalimidoperoxycaproic acid) formula – the latest in non-aggressive whitening innovation. Backed by a powerful blend of ingredients like sodium bicarbonate, xylitol, bromelain, papain, and sodium coco sulfate, it helps you maintain that naturally white smile – without causing sensitivity.