Acrylic paintbrushes come in two main types of bristles: natural and synthetic. Natural bristle brushes are made from animal hair, while synthetic brushes are made from nylon or polyester.

Maxsoft Hair Scalp Massager and Shampoo Brush Maxsoft Hair Scalp Massager ... I also have long-ish acrylic nails so this decreases the risk of the tips scratching my scalp.” ...