Tangle Teezer's Ultimate Detangler Fine & Fragile was created for fine, fragile or color treated hair with soft-flex teeth for less breakage and pulling..Patented two-tiered teeth technology specifically designed for fine, fragile or color treated hair in mind.Tough on knots but gentle to sensitive scalps come shower time, this is delicate detangling at its finest.The perfect detangling hairbrush if you are concerned about thinning hair or hair loss