Create your own personal lip colour with Barry M Cosmetics Colour Changing Lip Paint, an innovative formula that creates unique results. Arriving in green, blue and yellow formulations, the lipstick reacts with the alkaline in your lips to reveal a custom shade of universally flattering pink.

Housed in an easy-to-use applicator for smooth, even coverage, the lip paint provides up to eight hours of wear for a pout that looks perfect from dusk ‘til dawn.

Not tested on animals.