Non-surgical cosmetic procedures like Botox are big business, with men and women alike using it in a bid to improve their appearances.
But one study suggests it could also have a positive effect on your psychological wellbeing.
Dr Michael Lewis, a psychologist at Cardiff University, was involved in research that concluded people who'd had Botox were happier than those who'd had other treatments.
Botox is a prescription-only medicine, which can only be prescribed by an appropriately trained healthcare professional, such as a doctor, dentist, pharmacist prescriber, or nurse prescriber.
Welsh Government guidance says it's important that patients find a reputable practitioner who is appropriately qualified and trained, and who practises in a clean and safe environment.
So should we be striving to maintain a youthful appearance, or embracing our laughter lines and wrinkles? Alexandra Hartley has been finding out more: