Remy Hair is human hair that is collected from one source or donor. The cuticles are intact and all cuticles flow in the same direction from root to tip. Non-Remy hair is collected from multiple sources.
Virgin hair is chemically unprocessed human hair, which is collected from one source or single donor. The virgin hair is Remy hair that has not been altered by dyes, perms, bleaches or harsh washes.
Machine wefted or machine weft hair extensions refer to products which have been stitched or sewn or with a sewing machine to create a bundle of extensions.