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Weight loss injections/treatments

Discuss weight-loss injections and treatments, including personal experiences. Mumsnet hasn't checked the qualifications of anyone posting here. You may wish to speak to a medical professional before starting any treatments.

Hair loss and breakage on MJ..

31 replies

HairMJ · 30/04/2026 15:32

I’ve been on MJ since 2024, lost 100lbs, and I’ve now reached my goal but my hair is in a terrible state now.

It was never especially extra thick to begin with, but now it’s breaking and falling out so much that it looks really noticeable. The front is particularly bad and it’s getting harder to hide.

Has anyone else experienced this?

OP posts:
RayonSunrise · 05/05/2026 10:36

It’s the rapid weight loss, not the medication itself. I lost a bunch of hair when I went up to 10mg, but that stopped when I brought my dose back down and increased my daily calories a bit. My hair then started regrowing and is now back to normal.

HairMJ · 05/05/2026 10:48

RayonSunrise · 05/05/2026 10:36

It’s the rapid weight loss, not the medication itself. I lost a bunch of hair when I went up to 10mg, but that stopped when I brought my dose back down and increased my daily calories a bit. My hair then started regrowing and is now back to normal.

I didn't shift all my weight rapid and like I have said, I have lost the same amount of weight before without the medication an this never happened.

Its the Medication. I only take 5mg a week now.

OP posts:
LowFlyingBacon · 06/05/2026 20:36

I did MJ for a year 2024, then did a few months off and I’ve been back on it for a year again now. I lost about 2/3 of my hair in the first year, it was awful! I’ve started taking collagen powder daily, and it is miraculous! My hair is growing back thicker and thicker! I’ve been back on it a year now and have no hair loss this time at all! Any brand will do, but I highly recommend trying it out

PurpleCoo · 07/05/2026 07:11

I disagree that it's the jabs, it's the weight loss. I lost weight slowly, so didn't have too much hair loss, but I lost 30kg, so there was some hair loss. I am still on MJ, but my weight has been stable/small losses since December. The hair loss has stopped and is growing back. I repeat, I have not stopped MJ so it's not that! It's just annoying as I have bra strap length hair and have a halo of about 4" hair that doesn't always lay flat and I sometimes have to use a serum on my hair (I don't like to use products on my hair, other than shampoo/conditioner). I also need to cut my hair and it will end up being several inches shorter than I like to have it, which is really disappointing. For people with hair as long as mine it's going to take years to get back to it's usual thickness.

I am a size 10 though and feel great about how I look. Using serum to smooth the regrowth down and having hair that is a couple of inches above my bra strap but otherwise looks thick and healthy seems a small price to pay. (Soni keep telling myself 🤦‍♀️🤣)

HairMJ · 07/05/2026 08:21

PurpleCoo · 07/05/2026 07:11

I disagree that it's the jabs, it's the weight loss. I lost weight slowly, so didn't have too much hair loss, but I lost 30kg, so there was some hair loss. I am still on MJ, but my weight has been stable/small losses since December. The hair loss has stopped and is growing back. I repeat, I have not stopped MJ so it's not that! It's just annoying as I have bra strap length hair and have a halo of about 4" hair that doesn't always lay flat and I sometimes have to use a serum on my hair (I don't like to use products on my hair, other than shampoo/conditioner). I also need to cut my hair and it will end up being several inches shorter than I like to have it, which is really disappointing. For people with hair as long as mine it's going to take years to get back to it's usual thickness.

I am a size 10 though and feel great about how I look. Using serum to smooth the regrowth down and having hair that is a couple of inches above my bra strap but otherwise looks thick and healthy seems a small price to pay. (Soni keep telling myself 🤦‍♀️🤣)

You can disagree, I dont care if people agree with me regarding if they think its the jab or not. I have also been taking MJ since 2024 and my hair is not growing back and I haven't lost any weight for months.

OP posts:
VelociraptorsVelociRapping · 07/05/2026 09:30

I think you would be best off seeing a dermatologist, OP. I can recommend someone very good if you're in London.

Telogen effluvium is usually acute but it can become chronic in some cases. A dermatologist would be able to diagnose if this is the likeliest condition or if there is something else going on. I wish I didn't have quite as much knowledge of hair loss as I do but I supported someone very close to me through alopecia areata which developed into alopecia totalis.

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