Vietnamese Natural Straight Hair is 100% human virgin hair, no processed hair like straightened, curled, ironed, no chemical, taken directly from 1 Vietnamese health donor. Vietnamse Natural Straight is favorite hair type of beauty salons because of its high quality and versatility such as the ability to bleach and dye into 613 colour tones. The lifespan of raw virgin hair can be quite long, about 4-10 years with proper care.