Set the brush aside and fill the large bowl with hot water

The bathroom sink can be used in place of the bowl

Add ½ cup of white vinegar to the bowl of water

The vinegar will work to remove any germs and bacteria from the brush

1/4th cup of ammonia can be used in place of the vinegar or 1/4th ounce of tea tree oil which is a very effective natural sterilizer for hairbrushes 3b. Place the brush into the large bowl with the bristles facing down and let soak for 30 minutes

Place the brush into the large bowl with the bristles facing down and let soak for 30 minutes

DO NOT exceed the thirty-minute soak time, allowing the brush to soak for longer can cause damage to the rubber cushions