Shine Princess Yaki is hair extension for weavine that is made of synthetic hair, having 100 percent human hair quality. There are some care instructions which are as follow. Detangle hair from ends to roots before washing. Using lukewarm water, wash hair with a mild conditioning shampoo. Rinse out shampoo thoroughly with lukewarm water. After washing, starting from the bottom, carefully brush hair with a wide tooth comb to downward motion. Pat dry with a towel or let it dry naturally away from sunlight. Do not sleep on we hair.