For example, a yellow filter will make the more yellow colors black. You can use these filters to enhance different parts of a B&W image. share | improve this answer
Baking soda helps get rid of external body odor by killing the bacteria that grows in areas like underarms, breast creases, and the inner thighs. While in the shower or bath, massage a baking soda paste onto desired areas (paste recipe below). Let set for 2 or 3 minutes, then wash the area as usual.The baking soda paste will help kill the bacteria that causes the body odor, leaving the area smelling fresher longer.ow to Make Baking Soda Paste. Mix together 3 tablespoons of baking soda and 1 tablespoon of water using a spoon. Mush the mixture around in the bowl until it forms a paste. Thatâs it! Note: If baking soda gets into cuts or scrapes, it burns.
Lemon Juice. Lemon juice also helps remove dark underarm stains on t-shirts and undershirts. 1  Use either fresh or concentrated lemon juice directly on the stain until it is quite wet. 2  Add 1 tsp. table salt.3  Rub between your fingers until the stain lifts.aking soda is very good for removing odors too. If the stain is really smelly, let the baking soda paste remain on the garment for an extra hour or more. 1  Mix 1/4 cup of baking soda with just enough water to form a runny paste. 2  Apply directly to the stain and work it in.