You see a lot of hair extension available online. You should be aware of the hair extension grade then you would know the suitable hair type which you can use yourself or sell in the market. There are different hair grades for different market; low class, middle class, and high class. Along with the hair extension, you can look for hair closure too. The closure is generally worn with the weave-like Brazilian hair weave bundles, to give it a natural look.
Different hair extension grades are grade 5A, 6A and 7A. All hair extensions are sold without tangles and quality differs from brand to brand. But different grade suit different clients.
Grade 5A is cheap but good quality Malaysian virgin hair with closure, with a lifetime of 4-6 months that suits low-class market most. For the middle-class market, grade 6A is good which is 100% human hair and easy to dye. Lifetime of 6A grade is 8-10 months with the best care. Grade 7A hairs are obtained from the donor with full cuticle, unprocessed and easy to dye at home. We would suggest you to buy hair with closure to get a completely natural look. They should be available in a combo like Brazilian virgin hair body wave. There are different silk base closures available to show a natural looking hair line.

