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Woman's Hair Thins Dramatically on Mounjaro
14 Sep
Summary
- Woman experienced significant hair loss after six months on Mounjaro.
- Her hair thinned severely, making ponytails impossible.
- She would make the same weight loss decision again despite hair loss.

Shannon Jones, a 33-year-old mother of three, experienced significant hair loss after approximately six months of taking Mounjaro. Previously weighing around 15 stone, she sought the medication to aid her weight loss journey. While aware of potential hair loss, Jones was shocked by the severity, describing clumps of hair falling out daily and extreme thinning, particularly around her hairline.
Jones, from Bristol, began Mounjaro injections in September 2024 and lost over five stone, reaching a size eight. Eight months after discontinuing the medication in November 2025, she reports new hair growth and a significant improvement in her confidence and overall health. Despite the challenging side effect, Jones asserts she would make the same decision again due to the substantial positive impact on her physical and mental well-being.