The basics Blister Blocker Anti-Friction Balm is the only way to avoid getting blisters from heels, flats, boots, or sandals. The benefits Glides on smoothly to bare feet without leaving greasy residue. Unscented. The uses Creates an invisible barrier to help prevent blisters & minimize friction on skin. Amazing for breaking in new shoes. The bottom line Protect your skin from friction born blisters and remain comfortable in your shoes.