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HealthBixby > Beauty > Does dehydration cause hair loss? Dermatologists share 7 tips to save your hair
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Does dehydration cause hair loss? Dermatologists share 7 tips to save your hair

June 16, 2025 9 Min Read
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9 Min Read
Does dehydration cause hair loss? Dermatologists share 7 tips to save your hair
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Table of Contents

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  • What are the signs of dehydrated hair?
  • Can dehydration trigger hair loss?
    • 1. Follicular dysfunction
    • 2. Diminished cell regeneration
    • 3. Dry brittle hair
  • How will you cope with hair loss brought on by dehydration?
    • 1. Enhance your fluid consumption
    • 2. Electrolyte-rich fluid
    • 3. Moisturizing meals
    • 4. Keep away from dehydration
    • 5. Native hydration therapy
    • 6. Cautious hair care apply
    • 7. Addressing underlying well being points
    • Will hair removing attributable to dehydration be returned?
    • How shortly can dehydration be reversed?
    • Can dehydration trigger dry scalp?
    • Can dehydration trigger dandruff?

Dehydration has a number of unwanted effects, together with hair removing. Dermatologists drink loads of liquids, eat hydrating meals, and keep a wholesome spray routine.

Ingesting sufficient water each day is crucial to make sure correct functioning of your physique. If there’s not a lot water, your pores and skin can change into dry and itchy. Identical to your pores and skin, even your hair is affected. Dehydration can result in dry, brittle, or tough clusters. Your hair can lose its glow and look very boring. However can dehydration additionally trigger hair loss? In case your physique will not be getting sufficient water, it’s potential to lose greater than 100 hairs a day. Due to this fact, attempt to seize a glass of water whilst you’re loading protein and iron-rich meals onto the plate.

What are the signs of dehydrated hair?

  • Hair enhance: Do not panic while you spot some hair on the comb. In accordance with the American Academy of Dermatology Affiliation, it’s regular to fall between 50 and 100 hairs per day. “However when you have dehydrated hair, chances are you’ll discover that there are extra strands in your brush, bathe drains, or pillows,” says dermatologist Dr. Sheena Kapoor.
  • Dry Hair: Your hair could really feel tough and straw, and should lack its regular softness. It might simply snap while you use a comb or attempt to type the type.
  • Lack of gloss and shine: Incessantly watery hair often has a pure sheen. Dehydrated hair tends to look boring and unvigorating.
  • Diminished elasticity: Wholesome hair has elasticity. This implies it could stretch barely with out breaking. Dehydrated hair can simply break if grown.
Hair removal
Maintain your hair hydrated. Picture supplied by Adobe Inventory

Can dehydration trigger hair loss?

“Sure, you are able to do that. Dehydration happens while you lose extra liquid than your physique takes in, inflicting regular functioning to be disrupted,” consultants say. This fluid imbalance can straight have an effect on hair well being within the following methods:

1. Follicular dysfunction

Hair follicles are small organs of the pores and skin liable for hair manufacturing and require a steady provide of water and vitamins to operate optimally. “Dehydrated state reduces blood movement to the scalp and limits the supply of important nutritional vitamins, minerals and oxygen to the follicles. This deprivation can weaken the follicles, make new hair much less environment friendly, make present hair brittle and protest hair loss,” consultants say.

2. Diminished cell regeneration

A examine revealed within the Worldwide Journal of Medical Sciences reveals that correct hydration is essential for wholesome hair development. It will be important for the regeneration and turnover of cells all through the physique, together with the scalp and hair follicles. Dehydration can gradual this course of. Which means that new hair cells will not be produced effectively, and broken hair cells will not be changed in a short time. This will gradual hair development and enhance hair breakage.

3. Dry brittle hair

“The hair itself is made up of about 10-15% water. As soon as the physique is dehydrated, it may well keep essential organ operate by pulling water from non-essential areas together with the hair,” consultants say. This makes your hair dry, brittle and lack elasticity, making it extra prone to breakage.

How will you cope with hair loss brought on by dehydration?

You possibly can cease asking your self, “Dehydration may cause hair loss.” Strive these options as a substitute.

1. Enhance your fluid consumption

Particular person water wants differ relying on elements similar to age, exercise stage, local weather, and general well being. Nonetheless, you have to to drink about 2.7 liters of liquid per day. Goal to drink loads of water all through the day and cease asking, “Can dehydration trigger hair loss?”

2. Electrolyte-rich fluid

In case you are engaged in additional extreme dehydration or intense actions, think about electrolyte-rich liquids similar to coconut water or oral hydration. These assist in shedding important minerals, together with magnesium, in liquids. Throughout a examine revealed in cosmetics, magnesium deficiency was discovered to be frequent in members with hair loss issues.

3. Moisturizing meals

Ingesting water is probably not sufficient. Incorporate water-rich fruit and veggies into your weight loss program, similar to watermelons, cucumbers, oranges, strawberries, lettuce and extra. “These contribute to your general liquid consumption and supply further vitamins,” says Dr. Kapoor.

4. Keep away from dehydration

Do you begin your day with espresso or tea and finish with soda or alcohol? Restrict or keep away from extreme consumption of caffeinated drinks similar to espresso, tea, soda, and alcohol. It is because they’ve a diuretic impact, promote fluid loss and might have an effect on hair.

5. Native hydration therapy

Hydration shampoo, conditioner, serum and hair masks might help enhance the moment look and the texture of dry, brittle hair. “Search for hair care merchandise which have components like hyaluronic acid, glycerin, and pure oils,” says the skilled.

hair
Use hydrating hair merchandise. Picture supplied by Adobe Inventory

6. Cautious hair care apply

Thermal styling helps to enhance the looks of the lock. Nonetheless, it makes use of harsh chemical therapies and tight hairstyles to attenuate thermal styling. These can put further stress on already weak hair attributable to dehydration.

7. Addressing underlying well being points

Can dehydration trigger hair loss? Sure, however additionally it is because of the underlying well being situation. Hereditary hair loss and overreactions of the immune system are a few of the commonest causes of hair loss, in accordance with the American Academy of Dermatology Affiliation. Seek the advice of your physician as different causes will be eradicated and acceptable therapy will be beneficial.

Can dehydration trigger hair loss? Sure, you are able to do that, however you’ll be able to keep away from it by specializing in constant hydration. Do not wait till you are thirsty. Carry a water bottle, set reminders, and make an effort to drink water recurrently.

Associated FAQs

Will hair removing attributable to dehydration be returned?

Sure, most frequently, dehydration causes hair loss is reversible and can develop when correct hydration is restored. Hair follicles which have suffered from dietary deficiency attributable to lack of water are often completely undamaged.

How shortly can dehydration be reversed?

It is a gradual course of. In two or 4 months when the follicles regain energy, new hair development is revealed.

Can dehydration trigger dry scalp?

Dehydration is certainly a quite common explanation for dry scalp. The scalp pores and skin, just like the pores and skin on the remainder of the physique, requires correct hydration to keep up its well being and integrity. When you’re dehydrated, your physique usually prioritizes water distribution to essential organs on the expense of much less essential areas such because the pores and skin. This reduces the pure moisture content material of the scalp.

Can dehydration trigger dandruff?

Dandruff is usually brought on by situations like overgrowth of a yeast-like fungus referred to as malasedia, or seborrheic dermatitis. Nonetheless, dry scalps that may be a direct results of dehydration may seem as flakes like froff.

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