Prosta Defender is backed by a full 90-day money-back guarantee from the date of purchase, covering both opened and unopened bottles. If you're not satisfied, contact official support within that window for a refund.
Contact support through the official order confirmation with your order number. Refunds are generally processed within 5-7 business days, with no restocking fees.
Refunds are processed by the official seller, not this site. We link you to the official store precisely so your purchase and guarantee are protected.