Q: Are these strips safe for sensitive teeth?
A: Yes, these strips use a PAP+ peroxide-free formula that is gentle and low-irritation, designed to avoid the tingling or soreness often caused by traditional whitening products.
Q: How long should I leave the strips on my teeth?
A: You should apply the strips to your teeth and leave them on for thirty minutes before tearing them off and rinsing your mouth with clean water.
Q: Will the strips slide off during use?
A: No, they feature an elastic curved design and a fine non-slip mesh surface that ensures they tightly adhere to your teeth without sliding or falling off.
4. How much does delivery cost and how long does it take?
Xelken offers FREE worldwide shipping on every order, complete with tracking. Orders are usually prepared and shipped out within 1 to 3 business days. Estimated delivery to the US and UK is 4 to 11 days, while other international locations may take a bit longer. If any package gets lost or damaged during transit, we will reship it at no extra charge. You can track your package anytime directly on our website.
5. Where can I purchase the genuine item safely?
To ensure you receive a 100% authentic item, purchase directly from Xelken.com. Please be careful of fake listings on third-party sites. Ordering through our official Xelken website guarantees a safe payment experience via Credit/Debit card, PayPal, Shop Pay, or Klarna.
6. What should I do if I want to return an item or request a refund?
We stand behind our products with a customer-friendly return policy. If your order arrives damaged or defective, we will send a free replacement immediately without making you go through complex return steps. If you are still not satisfied with your purchase, we will issue a full refund.
7. How do I get in touch with your support team?
We are here to help you 24/7. Feel free to reach out to us at hello@xelken.com or drop us a message using the live chat icon on our website for quick assistance.
8. Can I read feedback from other buyers?
Absolutely! Xelken proudly holds a 4+ star rating across the Shop App and verified customer review portals. This reflects our thorough quality checks and our focus on providing great customer service.
