But they scrub up well.

Cavemen have been in the news this week, with archaeologists discovering that primitive Neanderthals were experimenting with makeup thousands of years ago – something the rest of us worked out from watching Celebrity Big Brother. Researchers from Bristol University have discovered sea shells filled with brightly coloured pigments which they claim are primitive cosmetics, and nearby they also found evidence of an early advertising industry - including slates with expenses claims chiselled onto them, and the body of a caveman with a stupid little goatee and thick rimmed glasses made out of twigs.

Voiceover: Og cosmetics of Stonehenge present New Formula Mud!

Cavewoman: Mud?

Voiceover: Scientifically proven to conceal over 90% of unsightly blemishes, wrinkles and scars from battle with sabre-toothed tigers, New Formula Mud is an exciting combination of carefully selected soil and water – made with you in mind.

Cavewoman: Mud!

Voiceover: With New Formula Mud, he’ll be dragging you by the hair into his cave in no time. Mud!

Cavewoman: Because Me worth it.