Whatever happened to growing old gracefully? Thanks to TV shows like Ten Years Younger, women are more clued up than ever about injectables. And they're fast becoming the order of the day.  But if you're allergy prone, getting jabbed with the needle of promised youth might not be the best way to turn back time.

Around four per cent of people are allergic to dermal fillers.  Reactions include rash, headaches, joint and muscle pain, blistering and extreme shortness of breath.