KAPOW! Smiles is guaranteed to work!

Our KAPOW! Smiles kit's contain a powerful and unique 18% carbamide peroxide teeth whitening gel formula which is the exact same strength which many dentists will provide in their take home kits. For products of this strength, it's actually not possible for the gel not to work. The big majority of people will start to see a change in whiteness within a few days and then the best results after a full treatment (9 applications). However, the difficulty is everyone's teeth does whiten at a different pace and some people's teeth are more stubborn and might need extra treatments. Our guarantee is, if after a completion of a full treatment you have not seen at least a couple shades difference, we will send you a refill gel pack (additional 9 treatments) absolutely free - which will be certain to do the job! For any guarantee inquiries, please contact us at

Easy Returns

No Questions Asked

We are always happy to accept returns within 30 days as long as your kit has remained sealed and unused. Simply return your kit back to us at our address below and your payment will be refunded within 24 hours.

Kapow Smiles Returns, PO BOX 500, Marleston SA 5033, Australia.



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