The Kangaroo Hair Brush 9551P66 is a high-quality grooming tool designed for detangling and smoothing hair. It features durable kangaroo hair bristles, known for their softness and ability to distribute natural oils, reducing frizz and adding shine. The brush is ideal for fine to medium hair types and is often favored for its gentle yet effective performance. The model number 9551P66 may refer to a specific design or size variant within the Kangaroo brand lineup.