Non-surgical procedures usually involve injections of either fillers or botulinum toxin, and carry less serious risks than surgery in general. However, over-correction can be difficult to treat, as can asymmetrical placement of the filler and allergic reactions.
Usually, the manufacturers include patient information leaflets, which should cover these points. Risks can be minimised by choosing a reputable surgeon or an established nurse practitioner who is working in a clinical environment.
More top news
Former Newsnight presenter Jeremy Paxman has said he no longer watches the programme but revealed he's a fan of dating show Take Me Out
Prince Harry will miss the birth of his new niece or nephew as he has flown back to Australia.
Myleene Klass is set to shock Countdown fans by giving a naughty eight-letter word as her answer on tonight's show.