Bulk hair is the simplest hairstyle with cuticles aligned. It is from 100% human hair (Vietnamese women). Depending on the thickness in the end of the bundle (1 bundle is 100g), bulk hair divided into 3 kinds of hair are: single drawn hair – The thinnest in the end of the bundle (Rate of short hair is 40%-50%) , double drawn hair (Rate of short hair is 25%-35%) and super double drawn hair – The thickest in the end of the bundle (Rate of short hair is less than 20%). Bulk hair has 3 kinds of texture: Straight, wavy and curly. Bulk hair is material to make hair extensions such as: Weft hair, tape hair, keratin hair, clip hair frontal, closure and wig.
