How to deal with red skin due to sticky powder?

Question
Hello doctor,
My hand was stuck to the drain powder for a few seconds, then washed with clean water, it was burning and slightly red in contact with the skin. Please ask the doctor how to deal with red skin caused by sticking to the drain powder? Is there a serious or mild acid burn, thanks for the advice.
Anonymous customer
Answer
Answered by Master, Doctor Nguyen Le Duc Hoang - Emergency Resuscitation Department, Vinmec Danang International General Hospital.
Hello,
With the question “How to deal with reddened skin due to sticking to the drain powder? ", the doctor answered as follows:
Drain unblocking powder includes ingredients: Sodium Hydroxide and Potassium Hydroxide. Moreover, in the product also contains additives that support softening and rapid decomposition of wastes, so they have strong cleaning or corrosive ability. Therefore, if you let the drain powder stick to your hands and feet, it will cause allergies, ulcers on your hands and feet, and burns due to alkaline food.
Treatment:
As a general rule: Immediately after a chemical burn, you need to be given first aid for burns immediately by removing the chemicals that cause burns and putting the burned skin under cool running water. within 10-20 minutes.
Then cover the injured area with a clean cloth or disinfected dry bandage. If the burn is mild, you can take painkillers, then immediately go to the nearest medical facility for emergency care before the burn becomes more serious. Depending on the extent of the burn and the severity of the burn area, the doctor may use the following methods of treating the burn: antibiotics, excision of the infected skin, use of anti-itch medication, patching layer of healthy skin from another part of the body onto the burn, infusion.
If you still have questions about the redness of the skin due to sticking to the drain powder, you can go to a medical facility of Vinmec Health System for early examination and treatment. Thank you for trusting and sending questions to Vinmec. Wish you a lot of health.
Best regards!