*This product is not endorsed by, sponsored by, or affiliated with Rachael Ray, the Rachael Ray Show, or any of their respective parents, subsidiaries, or affiliates. *Consumer perception reports support the appearance of dryness for up to 7 days per usage. Individual results may vary. View average effectiveness results here. If SweatBlock fails to keep you dry, we’ll refund your purchase. Refund must be requested within 30 days of purchase.