The "A" grading system (e.g., 8A, 10A) was created by Chinese suppliers and is .
This is 100% unprocessed human hair from a single donor. It is the highest quality, most expensive, and can typically be bleached to #613 blonde.
Questions to Ask Raw Hair Suppliers Before Working With Them
While technically meaning unprocessed, many vendors use this term for chemically processed "floor hair". True virgin hair should have aligned cuticles and no chemical treatments.