Washing Powder Allergy: What to Do | Cleanipedia
Jul 19, 2018·Allergic reaction to washing powder? What to look for ... Sensitivity to the ingredients in washing powders can also cause allergic contact dermatitis which again appears as a red, itchy rash but not usually after immediate contact. It typically develops after 12 to 72 hours after exposure to the irritant. Sometimes the immune system takes a ...