Baking soda to remove very dark stains..
Ingredients: 1 teaspoon of pure honey. 1/2 teaspoon of baking soda (make sure the powder is very fine). The juice of half a fresh lemon. Preparation and how to apply step by step: Place half a teaspoon of baking soda in a small bowl. Squeeze lemon juice onto the baking soda. You will notice an immediate effervescent reaction (foam); this is perfectly normal….