The recalled hair dryer brushes lack an integrated immersion protection device, which presents a substantial product hazard to consumers, posing the risk of death or serious injury from electrocution or shock if the hair dryers fall into water while plugged in to an electrical source. The recalled hair dryer brushes also pose the risk of death or serious injury from smoking and fire hazards. 

The recalled hair dryer brushes are in violation of federal regulations for hair dryers as they lack an integrated immersion protection device, which presents a substantial product hazard to consumers and  the risk of death or serious injury from electrocution or shock if the hair dryers fall into water while plugged in. In addition, the recalled hair dryer brushes can overheat, posing a burn hazard.