Baking soda to remove very dark stains..

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.Add the teaspoon of honey and stir very well with a spatula until you obtain a smooth paste.For nighttime use only. Wash your face with your usual soap and leave it slightly damp.Apply the mask to your face by massaging very gently in a circular motion (without rubbing hard, as baking soda can scratch the skin).Leave the mixture on your face for 5 to 10 minutes. Do not leave it on overnight under any circumstances.Rinse with plenty of warm water until all the product is removed, then immediately apply your usual moisturizer to soothe the skin.