Step 3.  Use A few baking soda above the impacted region.  Combine a quarter of the cup of 3% hydrogen peroxide by using a teaspoon of liquid dish washing detergent and drizzle this Option over the baking soda.  Alternatively, you can use a spray bottle for the hydrogen peroxide solution. https://www.propanraya.com/id/produk/propan-paint-remover-ppr-730