Hair red pityriasis infection

Pityriasis pilaris is not infectious. Pityriasis pilaris is caused by some specific constitution of the human body. In the early stage, it will show white symptoms similar to peeling, and in the later stage, these white dander will gradually turn red, thus causing typical pityriasis pilaris. There is no clear pathogenic agent, so it is not infectious. Tinea capitis and seborrheic dermatitis in daily life, although the same form, but not like these two diseases can be transmitted to other people. For treatment, it is recommended to choose topical vitamin A acid ointment, such as adapalene gel, etc., can also try to use carbotriol ointment for external application, also has a certain effect.