How Can We Help?
We're here to make your experience seamless. Find answers below or reach out — we typically respond within 2 hours.
All US orders ship free via USPS/UPS and typically arrive in 3-7 business days. International orders take 7-14 business days depending on location. You'll receive a tracking number via email as soon as your Krystal™ ships.
Yes — every US order ships completely free. No minimum purchase required. International shipping rates are calculated at checkout.
Visit our Order Tracking page and enter the tracking number from your shipping confirmation email. You can also track directly via USPS or UPS.
We offer a 45-day money-back guarantee. If you're not satisfied for any reason, contact us at support@oulano.com and we'll process a full refund — no questions asked. See our full Refund Policy for details.
Simply email support@oulano.com with your order number and reason for return. We'll send you a prepaid return label within 24 hours. Once we receive the item, your refund is processed within 3-5 business days.
Absolutely. The Krystal™ uses triple-wavelength photobiomodulation (670nm, 830nm, 940nm) backed by peer-reviewed research. It's built with FDA-safe, medical-grade materials and has zero side effects. Non-invasive, no drugs, no prescriptions needed.
Every Krystal™ comes with a 1-year warranty. If your device has any manufacturing defects within that period, we'll replace it free of charge. Just contact us with your order details.
89% of users report reduced eye strain within 2 weeks of consistent use. Results vary by individual, but most customers notice a difference within the first week. The Krystal™ charges via USB-C and the battery lasts up to 3 weeks on a single charge.
Yes. We use industry-standard SSL encryption for all transactions and never share your personal information with third parties. Read our full Privacy Policy for complete details.