This hair product has been created by complementing 100% human hair with some of the most recently invented fibers. The smoothness and tangle-free traits of human hair is enhanced by resiliency & curl holding advantages these fibers. Thi optimum combination, called 100% human hair mastermix, gives this product more volume, manageability, and makes the curl last longer. 100% human hair mastermix is only available through Model Model products. (Percentage of human hair may vary according to its style requirments)