How to choose the right brushes? if this is your question than following is the answer of your question:
Whether you choose to buy your brushes from a drugstore or a department store, spend some time testing them out:
1) It is important to wash your brushes every two weeks or so. Anything that is moist (let’s say a lip brush) should be washed a little more regularly.
2) Use a gentle shampoo (baby shampoo is good) with a glug of dettol for ...