The Custom Care Thin Hair Detangler can be used on wet or dry hair, as it carefully loosens tangles and smooths over strands to provide the gentlest detangle. There are 78 ultra-soft IntelliFlex?bristles which uniquely bend and flex for blissful detangling from root to tip. Appropriately spaced to provide maximum comfort. Specially designed to detangle fine or thinning hair, this brush features fewer bristles to seamlessly glide over strands.