Jaf Shah, from Acid Survivors Trust International, told ITV News that acid was becoming the "weapon of choice" for many.
He said it was easily accessible and available to buy for "as little as £7 or £8".
Mr Shah told Alastair Stewart that he was "not convinced" there was a police strategy for combating the crime.
More top news
Twelve people have been killed and three injured after a pick-up truck and a church minibus crashed head-on in Texas.
Revenge porn offenders who attempt to magnify their targets' humiliation will face the toughest penalties under new sentencing proposals.
A remarkably mild night with misty low cloud on the hills of Scotland, Wales and north-west England and further rain in places.