Sex...read my lips...

[fash]

A NEW lipstick has gone on sale that shows when women are in the mood for sex.

The saucy slap changes from clear to deep crimson as the wearer feels frisky.

It works by reacting with a girl's body chemistry.

And each £12 tube comes with a colour chart so men can work out how randy their partner is feeling.

The Mood Swing Emotionally Activated Lip Gloss was invented in California.

A spokesman for makers Too Faced said: "The colours change depending on your emotional state."

Celeb fans include singer Katy Perry, engaged to randy funnyman Russell Brand.

Dating expert Lorraine Adams said: "This is the ultimate date ice-breaker.

"But using it every day could get embarrassing. Would you really want the man next to you on the bus to know if you're turned on?"