07/03/2026
I’ve been noticing something recently with quite a few women who come to see me.
Some have been experiencing unexpected hair shedding after using weight-loss injections such as Ozempic, Wegovy or Mounjaro.
In many cases the medication itself isn’t directly damaging the hair. What often happens is that rapid weight loss can shock the hair cycle, triggering something called Telogen Effluvium, where more hair than usual enters the shedding phase.
Another factor can be nutrient deficiencies. When people eat much less during weight loss, levels of iron, vitamin D, B12, zinc and protein can sometimes drop, which can affect healthy hair growth.
Hair shedding often appears around 2–3 months after weight loss begins, which is why many people don’t immediately connect the two.
The good news is that in many cases the hair can recover with the right support, scalp care and by identifying any underlying deficiencies.
If you are experiencing hair shedding or thinning, it may be worth checking your vitamin and mineral levels to see if something internally could be contributing.
You can check your levels through our partner Medichecks using the link below and receive 10% off with the code WONDERSHIELDS.
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Understanding what is happening inside the body can often be the first step in restoring healthy hair growth.
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