The sonic lipstick was a device similar to the sonic screwdriver owned by the Doctor, and regularly employed by Sarah Jane Smith. It resembled a genuine 21st century lipstick closely enough not to seem suspicious.
Part of a series on the #Tech of Doctor Who
(via keiths-moonmuffin-deactivated20)
Sarah Jane and her sonic lipstick.
(Source: lolitalanafull, via flapperorslapper)
