Professional grade. Gentle on hair + scalp. Portable, convenient size. Not tested on animals. Save. Recycle. Environmental caring. earththerapeutics.com. Highly polished to eliminate any rough edges, this comb is gentle on the hair and scalp. Designed for convenience and portability, this comb is ideal for quick fix ups on the go - anywhere, anytime. Made according to exacting professional standards. True to life. Product of China.