These patches help relieve uncomfortable itching caused by external agents, such as insect bites, thanks to their soothing effect. Easy to apply, just stick them directly on the mosquito bite. They are discreet and portable, making them an important addition to outdoor activities. Ammonia-free formula: mosquito post-bite patches offer immediate relief without the use of harsh chemicals. The patches create a barrier that reduces fiction, protecting the affected area from further irritation. The active ingredients Calendula and Zanthalene soothe and refresh the affected area.