pearly white

Pearly White Diamonds was charging £300 for an online training course including a kit containing "high" and "extreme" hydrogen peroxide gels, described as up to 35% and up to 53% in strength.

The BBC also found a Wirral beautician who had undertaken one of the training courses offered by Pearly White Diamonds.

White n Bright, Pearly White Diamonds and Hannah Louise Aesthetics did not respond when approached by the BBC for comment.

An ancient Egyptian recipe for teeth cleanser relies on "salt, pepper, mint, and dried iris flower" to keep the pearly whites pearly white, while medieval Britons relied on "honey, salt, and rye flour."

“All Is Flux” is particularly abstract and fluid-looking, an inky black and pearly white photogram depicting a stream of water flowing across still water in a tray.