This hair care spa cap is safe and convenient to use. It is a indispensable tool for nursing your hair at home. It is a flame-retardant electronic temperature control heating cap. The inner embedded plastic film is waterproof and anti-electricity, and it is detachable and convenient to be washed. Two level of temperature controlling, you can adjust the switch to your favorite temperature. Flame-retardant products is more secure. It is a indispensable tool for nursing your hair at home