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Dehydration and Hair Loss: Everything You Need to Know

Dehydration and Hair Loss: Everything You Need to Know

Can Dehydration cause hair loss

 Dehydration is one of the main causes of hair loss. Dehydration leads to dry and itchy scalp, which can further lead to dandruff and other scalp conditions. 

If you don’t drink enough water, while drinking caffeine or alcohol, then your body will start to lose more fluids and minerals than it’s taking in. This will lead to a deficiency in electrolytes such as potassium and sodium, which are essential for keeping your hair healthy. 

So if you’re following a vegan diet, be sure to drink your daily recommended amount of water and take a multivitamin. Some fruits that have higher levels of these minerals include avocados and bananas.

The lack of water also causes the cells on the surface of your scalp to shrink, which can cause breakage and loss of elasticity. When this happens, the roots become exposed more easily because they are not protected by their layer of skin cells anymore. This exposes them to air, heat and chemicals. This can cause roots to dry out, become infected or die. 

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Water is the most important and essential type of fluid for the body. It helps with digestion, circulation, and metabolism. It also helps regulate body temperature, maintain bone strength, and keep skin looking healthy. 

Dehydration can cause dry skin, brittle nails, and dry hair.  Hair is strongest when it contains 70% water and ends up dry at 40%. Dry hair is less elastic and can become more prone to breakage. Dehydration of the scalp can cause a lack of blood to reach the follicles, which in turn not enough nutrients are delivered to the roots. 

The result is the end stage of baldness, or a receding hairline. Hair loss can also be hereditary. This is seen when the hair loss is neither caused by a medical condition nor extreme stress, but rather a genetic predisposition.

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Symptoms of dehydration

Dehydration is a condition where the body has lost more fluid than it has taken in. This can lead to confusion, fainting, and even death.

Symptoms of dehydration are:

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How dyhdration impact your skin?

Dehydrated skin is a condition that occurs when the skin loses more water than it takes in. This is a common problem, especially during the summer months or in dry climates. It can also be caused by certain medications, such as diuretics, or from a lack of sleep.


The skin’s appearance changes and it becomes rough and dry. The underlying layers of the skin may start to flake off and become irritated. In severe cases, you may notice red patches on your skin or even small cracks on your hands and feet.

How dyhdration impact your nails?

Nails are made of a protein called keratin. It is the same protein that makes up hair and skin. Nails are porous, but they do not have oil glands or sweat glands. This means that nails rely on water for hydration.


The nail plate is made up of layers, each with different functions:


Outer layer: The cuticle, which covers the nail bed and protects it from bacteria.


Middle layer: The lunula (the half moon at the base of the nail), which provides a natural buffer against wear and tear.


Inner layer: The matrix (the area under the cuticle), which produces new cells to replace old ones as they wear away.


The matrix is important in nail growth and repair. Nails grow 10-25 cells a day, like hair, skin, and bone. Vitamin C deficiency can result in brittle nails that crack easily or even fall off.

Is hair loss from dehydration permanent?

As a result of dehydration, hair loss is seen in many people and is often permanent. The scalp needs to be well hydrated for healthy hair.


Dehydration can cause hair loss and sometimes this may not be reversible. Oral rehydration therapy is a treatment option available to patients of prolonged diarrhea or vomiting. It is not used as a prophylactic measure and should not be used as the sole treatment for dehydration.


A balanced diet and fluids are needed to drink lots of water for best results. Oral rehydration solutions contain electrolytes, sugar, salts, vitamins and minerals that help restore fluid balance.


Corticosteroids are a type of medication used to reduce inflammation and are sometimes prescribed for scalp skin lesions. In such cases, corticosteroids may be injected directly into the hair follicle to kill bacteria and promote wound healing. A possible side effect is thinning of the hair in the area that had been treated.

How much water should you drink?

Dehydration can lead to many health issues such as dry mouth, lips, eyes, little pee, dizzy and lightheadedness.

It's important to drink enough water daily, but how much is enough?


The general guideline is to drink at least 8 glasses of water per day which equals 2 liters. However, this may not be enough for some people who exercise or live in a hot climate.

Is water the only option to stay hydrated?

It is important to stay hydrated. So, what is the best way to do that? Is water the only option?

No, not at all! There are many ways to stay hydrated and meet your fluid needs. You could drink watermelon and spinach for example. Fruit juices can be a good source of hydration too. Milk, tea and coffee are also great options for staying hydrated .


What's the difference between water and electrolyte replacement drinks?


Electrolyte replacement drinks are usually low in sugar, carbohydrates, and calories and contain nutrients like electrolytes. They may also be loaded with caffeine to replace what is lost from sweating.


Water is always a good choice for hydration, but if you're really thirsty or need a boost of energy, a sports drink may be more appropriate.

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Hello! I am Malik

I'm a writer, content strategist and digital marketing pro. I've written for publications like Forbes, Entrepreneur and Mashable...

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