Everyone uses lipstick. Pros use a lip brush for better precision and to increase the lifespan of your lipstick. Antonym brushes are professional quality make up brushes made with eco-friendly and cruelty-free materials. The bristles are top quality PBT, the best material for synthetic brushes, providing softness and pickup comparable to the finest natural bristles. The handles are made of sustainable bamboo, designed with a flat bottom and sized for optimal balance. The ferules are black aluminum.