What Causes Hair Loss After Weight Loss? How to Prevent It?

While losing weight can be good for your overall health, there are some side effects regarding your hair. It is possible that you may suffer hair loss. Since everyone is different, the effect of hair with weight loss can differ. If you’re wondering if your hair loss is due to your weight loss, this is the article for you.

What Causes Hair Loss After Weight Loss?

Hair loss problems can range from mild to severe when you lose weight, and depending on your body, you may experience a different result. Here are some reasons why you may suffer hair loss with weight loss.

Hair Loss After Weight LossLack of Nutrition

Your body needs certain nutrients every day, and your hair relies on these nutrients to grow. Unless you’re taking supplements to help combat your hair loss, you may start losing hair. It may not be completely noticeable, but if it gets bad enough, you can start to lose it in clumps.

Lack of Energy

Your body needs a lot of nutrition per day to work properly, and any nutrition is imperative to your hair health. Getting proper protein in your diet will combat low energy levels, and if it is good fat, you can continue your diet regimen.

Weight Loss Surgery

Surgery has plenty of side effects, and weight loss surgery can contribute to your hair loss. Usually major surgery is involved, and depending on the type of weight loss surgery, you may suffer hair loss. That’s why doctors will recommend taking vitamin A after a major operation. The more extensive the surgery, the more vitamin you will need to take.


Certain medications can be a culprit for hair loss combined with weight loss. The user may have an allergy to a chemical in the medication. You should consult with your doctor before taking any medication to see if you’re allergic to any substances in the medication.


Symptoms of Hair Loss Due to Weight Loss

You can usually tell what the symptoms are when it comes to hair loss due to weight loss. Some symptoms you may notice include:

Hair Fall

You will notice your hair is starting to wind up in different places. This includes hair on your clothes, in the shower, and elsewhere. If you’ve started a diet recently, and have started to lose weight, you will notice excess hair falling out.


Starting a new diet can be rough, and if you’re always exhausted due to your weight loss, fatigue can show up. You may feel exhausted all the time, and your hair doesn’t feel as strong as it once did. You should consult your doctor if you’re feeling fatigued every day.


Stress can break your body down, which can lead to more hair loss. The Telogen Effluvium is a condition where your body goes into shock, which effects your hair roots. Stress can be a leading factor in your hair loss, and you should consult your doctor if you’re facing a lot of stress recently.


Will Hair Grow Back After Weight Loss?

Your hair follicles can react negatively to weight loss, since your body is trying to preserve any nutrients. When you’re dieting and not getting enough protein, your body may stop producing hair to preserve those nutrients. However, once you start getting enough proteins into your diet, your hair can start to grow back. If it is not hereditary, or due to a disease, you may notice your hair is not falling out as much. It can take a while, possibly a year, before you start to see your return. It may not be like it used to, but it will be better. Learn more about foods for hair growth.


Treatment and Prevention for Hair Loss

There are many hair loss treatments available, including nutrients and products. You can try to use shampoos to help your follicles return to their natural state, or start taking supplements. Using supplements can give your hair a head start on growing back, which will help combat your hair loss.
If your hair loss is due to stress, you can reduce your stress through stress reduction tactics, and if you’re losing hair due to your diet, you can find a new diet. There are numerous diets available that can help jump start your hair, and allow your hair to grow back.

Related: Best Hair Growth Vitamins & Supplements



It is good to lose weight, especially if your weight is affecting your overall health. Hair loss can be a side effect of weight loss, and finding the right diet will help prevent any hair loss. If you’re losing hair due to your weight loss, you should consult with your doctor to see if there are any health concerns. Otherwise, you can combat it by getting enough nutrients in your diet, and staying healthy.

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