Women with curly hair can opt for curly human hair to achieve an ideal blend. Women with straight or wavy hair can have their hair permed in order to match the texture of these hair extensions. The care, products used and the number of usage time are all factors that can determine the lifespan of curly human hair. With regular wear and proper care, the hair can last for months. And, temporary use and proper care can result in the lifespan of year or even longer. Women and girls can opt for the best application method that will not cause any damage to original hair.