 [ Symptoms ] How to cure Chemical Burn? [ Disease ] 1) rinsed with water Â· Flush the area for at least 20 minutes. Â· As you flush the area, take off any clothing or jewellery that has the chemical on it ,2) Don't use a strong stream of water, if possible., 3)Don't try to neutralize the burn with acid or alkali. This could cause a chemical reaction that worsens the burn, 4) Don't put antibiotic ointment on the burn. 