This is due to allergic reaction caused by hair removal cream. When you have allergies, your immune system makes antibodies that identify a particular allergen as harmful, even though it isn t. When you come into contact with the allergen, your immune system s reaction can inflame your skin, sinuses, airways or digestive system. Advice 1. Stop using hair removal cream and never use it in future 2. Levocetirizine 5 mg daily per oral for 3 days 3. Dexamethasone 0.5 mg every 12 hours per oral for 3 days 4. Use hydrocortisone cream every 8 hours until resolution 5. Do not scratch too much. It will cause skin hypertrophy and pigmentation apart from infection. 6. Apply calamine lotion daily for soothing effect Thanks