NFI essentials Professional Synthetic Soft Bristle Makeup Brush Set of 5 For Face & Eye Cosmetic Accessories Brushes Kit For Eyeshadow,Powder,Lip,Eyebrow Precautions to Follow: 1. Soak the bristles in the brush cleaner (you can also use lukewarm water mixed with a tiny bit of shampoo); after that, thoroughly rinse the bristles under clean water.2. Avoid washing the bristles with water.3. To remove extra water from the bristles after cleaning, gently press them with a tissue or cotton pad. Keep the bristles from twisting.4. Permit the brush to dry naturally. Never expose it to the sun or use a hair dryer on it.