Grey hair weft bundles are a fast-growing category, driven by demand for natural salt-and-pepper looks and silver styling. Genuine grey human hair is harder to source than dyed grey, which makes authentic grey weft bundles from India especially valuable. Here's what makes them special and how to buy well. Why Natural Grey Hair Is Rare Most “grey” extensions on the market are regular hair that's been bleached and toned to a silver shade — a process that weakens the strand. Tru