The Ampoule Hydrocolloid Bandage from Laboratoires Mercurochrome prevents blister formation, relieves pain, and promotes healing when a blister is already formed. - Hydrocolloid technology: upon contact with the blister, the hydrocolloid mass forms a gel that facilitates blister healing by creating a moist, skin-repairing environment that protects the wound. - Second skin effect: ergonomic, transparent, and ultra-thin bandage. - Water-resistant