Oooo have you seen that... magic green lipstick?

Don't worry this new green lip paint from barry m wont turn your lips green, it has a special formula that will change colour depending on the level on alkali on your lips and turn a natural shade of pink! Has any one tried this out? You can see more information about this product on the barry m website - http://www.barrym.com/touch-of-magic-lip-paint