These fan brushes are made of synthetic brush hair and plastic handles, soft and safe to use, non irritating to your skin, with firm aluminum ferrules for holding bristles tightly, the brush bristles are not easy to fall off. The fan brushes can be used for applying mud, powder mud,clay mud, DIY face mud, facial serums, body lotion, body oil and more, soft and comfortable to use, without messing or wasting skin-care product.