Powder Up According to Dr. Jaliman, "Powder is something that minimizes friction between your foot and a sandal." The derm recommends dabbing 2Toms BlisterShield ($13) all over your feet. This waterproof formula protects against blisters, calluses, and hot spots, so you can go dance up a worry-free storm in your wedding-day Badgley Mischkas. Image Source: Unsplash / Juja Han 2Toms BlisterShield $13 from amazon.com Buy Now