The processed hair is also known as non-stratified hair, non-Remy hair, all hair types can be chemically processed, including cuticles, color, texture. Usually, processed hair refers to non-renewable hair. If the hair manufacturer handles well, the processed hair can retain its original quality characteristics.

It has some advantages and disadvantages, the hair manufacturer can change the cuticle of the hair to make it diversified, offer multiple color and textures to the customer. but the manufacturing cost is high and the quality is low. Each process lowers the quality of the hair and shortens the life of the finished piece. Far less than Keratin Hair Extensions and tape hair extensions.