It’s 100% Human hair, can be dyed, bleached, iron flat and permed. However, please control the temperature below 150?, or the hair will be destroyed and come back to its natural wave.
It’s styled by professional hairspray and high temperature steam instead of chemicals. Being looser after washing is normal. Please use good quality shampoo and conditioner to maintain it.
The better you take care of the hair, the Longer it can last. If not treated with patience, it will be replaced within 3-6 months. So please treat it as your own hair.