The Truth About Weight Loss Drugs: Potential Side Effects on Hair Health

July 2024

One of the largest trends in the medical world right now is turning to weight loss drugs to easily shed weight and keep it off. While these medications can be effective, it's essential to be aware of potential side effects, especially those that can impact your hair health. In this article, we'll explore how certain weight loss drugs may affect your hair, including issues like hair loss and changes in hair texture and shine.

Understanding the Impact on Hair Health:

  1. Hair Loss (Alopecia): Some weight loss drugs, like Wegovy, have been associated with hair loss as a side effect. This can manifest as thinning of the hair, noticeable shedding, or even bald patches in extreme cases. It's important to monitor your hair condition while taking these medications.

  2. Changes in Hair Texture: Certain drugs may alter the texture of your hair, making it feel dry, brittle, or coarse. This can affect how your hair looks and feels, impacting your overall appearance and self-confidence.

  3. Loss of Hair Shine: Healthy hair is characterized by its natural shine and luster. Weight loss drugs can sometimes strip away essential oils and nutrients from your hair, leading to dullness and lack of shine.

Common Weight Loss Drugs and Their Hair-Related Side Effects:

  1. Phentermine (found in Hers and Ro weight loss pills): This popular weight loss medication has been reported to cause hair loss in some individuals. It's believed to disrupt the normal hair growth cycle, leading to shedding and thinning over time.

  2. Orlistat (found in Hims and Alli weight loss pills): While primarily affecting digestion and fat absorption, Orlistat can indirectly impact hair health due to changes in nutrient absorption. Deficiencies in essential vitamins and minerals can contribute to hair loss and dullness.

  3. Lorcaserin (found in Belviq): Although withdrawn from the market in some countries due to safety concerns, Lorcaserin was linked to potential hair-related side effects like thinning and loss in some users.

Minimizing Risks and Supporting Hair Health:

  1. Consultation with Healthcare Provider: Before starting any weight loss drug regimen, discuss potential side effects, including those affecting hair health, with your healthcare provider. They can provide personalized advice and monitor your progress.

  2. Maintaining Nutritional Balance: Ensure you're getting adequate nutrition, including essential vitamins and minerals crucial for hair health. Consider supplementing with biotin, which is known to support hair growth and strength.

  3. Hair Care Regimen: Use gentle hair care products that nourish and hydrate your hair. Look for shampoos and conditioners that promote volume and shine without harsh chemicals.

  4. Consultation with Hair Care Expert: One of the best things you can do for yourself is rely on individuals who specialize in hair loss. Transitions consultants can provide a hair and scalp analysis and come up with a plan to restore your hair.


While weight loss drugs can be effective tools in achieving your fitness goals, it's crucial to be mindful of potential side effects, especially those affecting your hair health. Don’t get stuck in the pushing pills loop. Companies like Hers will sell a weight loss drug that works for a while and then has the negative side effect of hair loss. The same company can then send a prescription for minoxidil to maintain your hair health and growth, keeping you on the hook with counteracting drugs. Prioritize overall wellness and consult with your healthcare provider and trichologist for guidance tailored to your needs.



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