Phase 3.  Implement a handful of baking soda above the impacted area.  Blend 1 / 4 of the cup of 3% hydrogen peroxide which has a teaspoon of liquid dish washing detergent and drizzle this Answer above the baking soda.  Alternatively, You may use a spray bottle with the hydrogen https://www.propanraya.com/id/produk/propan-paint-remover-ppr-730