BlisterShield Roll On is a high tech solution to prevent blisters, chafing and other types of irritation on your body. BlisterShield Roll On applies a smooth, thin invisible coating to the skin that will eliminate or greatly minimize the friction that causes blisters, chafing and irritation. Use on any part of the body! BlisterShield Roll On is most effective when used in places where skin is subjected to rubbing and at pressure points created by clothing and equipment. Some common areas include: Between the arms and sides of the body. Between upper thighs. Groin. Over nipples. Around back of heels. Tops of toes.All Day Long Protection. BlisterShield Roll On performs with you under the most grueling conditions. It even works under wetsuits! BlisterShield Roll On will not rub off, but is easily removed with soap and water, leaving absolutely no residue. Dramatically reduces friction. Shields the skin without forming a sticky coating. Remains effective over long periods of activity. Allows moisture transfer through the skin. Not affected by moisture.Silicone based product is non staining, no toxic, non greasy and can be used daily. It contains no animal products.