When transitioning to a keto diet, some people experience hair loss. While unnerving, it’s a temporary, short-lived side effect that will go away. While this fact doesn’t make the experience any more pleasant, it should reassure you that if you are losing hair, you won’t continue to do so for the long term. Meanwhile, you can read on to learn some other reasons why you might be experiencing hair loss as well as some actions you can take to support hair growth during keto’s transitional period and beyond. 

What causes hair loss while transitioning on a keto diet?

As with any major diet shift, you may experience a temporary period of hair loss (typically three to six months after starting keto). This is similar to the hair loss from hormonal shifts that occur a few months after pregnancy or making other major dietary changes. Big changes impact your hormones, and it takes time for your body to adjust. 

What are some other causes of hair loss? 

There are other causes of hair loss outside of keto. For example, your hair does have its own unique natural growth and shedding process; everyone’s hair grows and falls out at different rates. Contrary to what your hairdresser may have told you, hair loss is not based on a specific cycle or the seasons. 

If your hair is shedding more than usual and is thinning in certain areas, there are other reasons this could be happening, including:

  • Thyroid disease 
  • Hormonal changes
  • Life stress (physical and emotional)
  • Medications
  • Pregnancy and breastfeeding
  • Nutritional deficiencies such as low iron, zinc, niacin, selenium, and fatty acids
  • Autoimmune diseases

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What you can do to stop hair loss on keto

Although hair loss on keto does not affect everyone, there are some actions you can take to help support the health of your hair while on keto. 

Get enough nutrients

With keto, the key is not starvation. You want to be sure to consume enough macronutrients (low-carb, moderate protein, and higher fat). You can do that by
tracking your macros (especially when first starting out on keto). While eating to your macros may not stop you from losing some hair while transitioning from a high-carb diet to a high-fat, low-carb diet, it will help your body adjust faster, so you can get past the transition period and get back to your normal hair-growth cycle.  

Reduce your stress level

Heightened cortisol (stress hormone) levels can contribute to hair loss, 
 whether you’re on a keto diet or not. To ensure stress isn’t adversely influencing your hair health, do the following: 

  • Minimize your stress level any way you can, including meditation, yoga, taking walks, getting enough sleep, and avoiding stressful situations as well as you can.
  • Pick a time to start keto when you know you don’t have too many big stressors on your plate. 

Get enough sleep

Prioritize your sleep; it’s when your body repairs itself. Today’s culture tends to de-prioritize rest, but it’s extremely important. Lack of sleep can affect the function of your endocrine (hormonal) system, meaning it raises stress hormones, which, among other things, may cause hair loss.
 To help ensure you get enough sleep, do the following:

  • Wind down before bed with a hot bath, book, or even relaxing music.
  • Take time to stretch and relax before bed so you can ease into sleep.
  • Get to bed earlier (something we can all work toward). 
  • Go to bed at the same time each night so you can get into a rhythm.
  • Give yourself eight hours per night to rest. 

Explore underlying causes with your doctor

There may be other reasons you are losing hair. If you’re just starting keto (within the first week or so) or have been in ketosis for a while and are still experiencing hair loss, consult with your doctor to find out if there are other causes, like a nutritional deficiency, thyroid condition, autoimmune disease, or medication you’re adversely reacting to. 

The Final Word

If you’re losing hair on keto and are confident it’s not due to other reasons, relax and ride out this transition period. Remember to take steps to lower your stress and get sleep and you’ll continue to reap the amazing benefits of keto.



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