There is hair density on the bundles, closures, frontals and wigs, simply speaking, the hair density means how many hair strands are there in a square centimeter. There are usually 20%, 40%, 60%, 80%, 100%, 120%, 140%, 160%, 180% and 200% to describe the density.
Look at the pictures below, from top to bottom, left to right, the hair density is 10%, 80%, 90%, 100%, 110%, 120%, 130%, 150%.
