Hair Loss After Weight Loss: When Will It Stop? - Dermatology

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Weight loss and hair loss?


Due to previous weight loss, I experienced severe hair loss.
However, I have been eating normally for almost two months, and the hair loss is still significant.
I would like to know when this abnormal hair loss will stop.
Will the hair that has already fallen out grow back?

Ai, 10~19 year old female. Ask Date: 2006/06/18

Dr. Huang Ruiyun reply Dermatology


Hair will return; please be patient for six months, and you will see new hair growth.

Reply Date: 2006/06/18

More Info


Experiencing hair loss after significant weight loss can be distressing, and it's important to understand the underlying causes and what you can do about it. When you lose weight rapidly, your body can go through a shock that may lead to a condition known as telogen effluvium, where hair follicles prematurely enter the resting phase of the hair growth cycle. This can result in noticeable hair shedding, often occurring several months after the weight loss has taken place.

In your case, since you've been eating normally for almost two months but are still experiencing significant hair loss, it’s crucial to recognize that hair growth and recovery can take time. Typically, after the initial shock, hair loss may continue for a few months before it starts to stabilize. You can expect to see new hair growth within six months, but this varies from person to person. Patience is key, as hair regrowth is a gradual process.

To address your concerns about whether the lost hair will grow back, the good news is that in most cases of telogen effluvium, the hair does eventually return. However, this is contingent upon restoring nutritional balance and overall health. Ensuring that you are consuming a well-rounded diet rich in vitamins and minerals is essential for hair health. Nutrients such as iron, zinc, vitamin D, and B vitamins play a significant role in hair growth. If your diet has been lacking in these areas, it could contribute to ongoing hair loss.

To maintain a healthy weight and prevent further hair loss, consider the following strategies:
1. Gradual Weight Loss: If you are still looking to lose weight, aim for a gradual approach. Rapid weight loss can lead to nutritional deficiencies and stress on the body, which can exacerbate hair loss.

2. Balanced Diet: Focus on a balanced diet that includes a variety of foods. Incorporate lean proteins, whole grains, healthy fats, and plenty of fruits and vegetables. This will help ensure that your body receives the necessary nutrients for hair growth.

3. Hydration: Staying well-hydrated is also important for overall health, including hair health.

4. Stress Management: Stress can significantly impact hair health. Engage in stress-reducing activities such as yoga, meditation, or regular exercise to help manage stress levels.

5. Consult a Professional: If hair loss persists, it may be beneficial to consult a dermatologist or a trichologist who specializes in hair and scalp health. They can provide a thorough examination and may recommend treatments or supplements that could help.

6. Avoid Harsh Treatments: Be cautious with hair treatments that can cause further damage, such as excessive heat styling or chemical treatments.

7. Supplements: If you suspect that your diet is lacking, consider discussing with a healthcare provider the possibility of taking supplements specifically designed to support hair health.

In conclusion, while it can be concerning to experience hair loss after weight loss, it is often a temporary condition that can improve with time and proper care. Focus on maintaining a balanced diet, managing stress, and being patient with the regrowth process. If you have ongoing concerns, seeking professional advice is always a good step.

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