... -up removers or antibacterial hand soap to clean the bristles of your brushes. STEP 2 To start, run ... downward angle, so that the water runs down the bristles rather than back along the handle. STEP 3 ... parts vinegar, 1 part water, and soak the bristles for 2-3 minutes. If using make-up remover ... the brush out of the water, and squeeze the bristles lightly between thumb and forefinger from the base to ...