Dehydration has a number of unintended effects, together with hair loss. Drink sufficient liquids, eat hydrating meals and preserve a wholesome haircare routine, says a dermatologist.
Ingesting sufficient water day by day is a should to make sure correct functioning of your physique. In case you don’t have a lot water, your pores and skin could get dry and itchy. Identical to your pores and skin, even your hair will get affected. Dehydration can result in dry, brittle or coarse tresses. Your hair can lose shine and look extraordinarily boring. However can dehydration trigger hair loss too? It’s attainable to lose far more than 100 hair strands a day in case your physique doesn’t get quantity of water. So, whereas loading up your plate with meals wealthy in protein and iron, be certain that to seize a glass of water too.
What are the signs of dehydrated hair?
- Elevated hair shedding: Don’t panic should you spot just a few strands of hair in your brush. It’s regular to shed wherever between 50 and 100 hair strands in a single day, in keeping with the American Academy of Dermatology Affiliation. “However you probably have dehydrated hair, you would possibly discover extra strands in your brush, within the bathe drain or in your pillow,” says dermatologist Dr Sheena Kapoor.
- Dry hair: Your hair could really feel tough, straw-like, and lack its normal softness. It would snap simply once you attempt to use a comb or model it.
- Lack of luster or shine: Hair that’s well-hydrated usually has a pure sheen. Dehydrated hair tends to look boring and lifeless.
- Diminished elasticity: Wholesome hair has some elasticity, which implies it may possibly stretch a bit with out breaking. Dehydrated hair will possible break simply when stretched.

Can dehydration trigger hair loss?
“Sure, it may possibly. Dehydration happens when your physique loses extra fluids than it takes in, resulting in a disruption in its regular capabilities,” says the skilled. This fluid imbalance can have a direct affect in your hair well being within the following methods:
1. Impaired follicle operate
Hair follicles, the tiny organs in your pores and skin accountable for producing hair, require a gradual provide of water and vitamins to operate optimally. “If you end up dehydrated, blood circulate to your scalp can lower, limiting the supply of important nutritional vitamins, minerals, and oxygen to the follicles. This deprivation weakens the follicles, making them much less environment friendly at producing new hair and probably resulting in current hair turning into brittle and extra susceptible to hair loss,” says the skilled.
2. Diminished cell regeneration
Correct hydration is vital for wholesome hair progress, in keeping with analysis printed within the Worldwide Journal Of Medical Sciences. It’s essential for cell regeneration and turnover all through the physique, together with within the scalp and hair follicles. Dehydration can decelerate this course of, which means that new hair cells aren’t produced as effectively, and broken hair cells aren’t changed as rapidly. This will result in slower hair progress and a rise in hair breakage.
3. Dry and brittle hair
“Hair itself consists of about 10-15% water. When the physique is dehydrated, it may possibly draw water from non-essential areas, together with hair strands, to take care of very important organ operate,” says the skilled. This causes the hair to turn into dry, brittle, and missing in elasticity, making it extra inclined to breakage.
Methods to cope with hair loss from dehydration?
You’ll be able to cease asking your self, “Can dehydration trigger hair loss?” As an alternative, attempt these options:
1. Enhance water consumption
Particular person water wants differ primarily based on components like age, exercise degree, local weather, and general well being. Nonetheless, ingesting about 2.7 litres (about 11.5 cups) of fluids per day is required. Goal to drink enough water all through the day then you’ll cease asking, “can dehydration trigger hair loss?”
2. Electrolyte-rich fluids
For extra extreme dehydration or in case you are partaking in strenuous exercise, contemplate electrolyte-rich fluids like coconut water or oral rehydration options. These assist replenish important minerals, together with magnesium, misplaced with fluids. Throughout a examine, printed in Cosmetics, magnesium deficiency was discovered to be widespread in individuals with hair loss downside.
3. Hydrating meals
Simply ingesting water is probably not sufficient. Incorporate water-rich vegetables and fruit into your eating regimen, corresponding to watermelon, cucumber, oranges, strawberries, and lettuce in your eating regimen. “These contribute to your general fluid consumption and supply extra vitamins,” says Dr Kapoor.
4. Keep away from dehydrating drinks
Beginning your day with espresso or tea, and ending with sodas or alcohol? Restrict or keep away from extreme consumption of caffeinated drinks like espresso, tea and sodas and alcohol, as these can have a diuretic impact, selling fluid loss, and affecting your hair.
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5. Topical hydrating remedies
Utilizing hydrating shampoos, conditioners, serums and hair masks may help enhance the quick look and really feel of dry, brittle hair. “Search for hair care merchandise with elements like hyaluronic acid, glycerin and pure oils,” says the skilled.

6. Mild hair care practices
Warmth styling may help enhance the looks of your locks. Nonetheless, minimise warmth styling, utilizing harsh chemical remedies, and tight hairstyles. These can put extra stress on hair that’s already fragile resulting from dehydration.
7. Handle underlying well being points
Can dehydration trigger hair loss? Sure, however it is usually resulting from underlying well being situations. Hereditary hair loss and immune system overreacting are a few of the most typical causes of hair loss, as per the American Academy of Dermatology Affiliation. Seek the advice of a physician, as they will rule out different causes and suggest acceptable remedy.
Can dehydration trigger hair loss? Sure, it may possibly, however you’ll be able to keep away from it by specializing in constant hydration all through the day. Don’t wait till you might be thirsty, so be certain that to hold a water bottle, set reminders, and make efforts to drink water recurrently.
Associated FAQs
Will hair loss from dehydration develop again?
Sure, most often, hair loss attributable to dehydration is reversible and can develop again as soon as sufficient hydration is restored. Hair follicles that have been merely undernourished resulting from lack of water aren’t usually completely broken.
How briskly can hair loss from dehydration be reversed?
It’s a gradual course of. New hair progress will turn into obvious in two or 4 months when your follicles regain their power.
Can dehydration trigger dry scalp?
Completely, dehydration is a quite common reason for dry scalp. The pores and skin in your scalp, identical to the pores and skin on the remainder of your physique, requires sufficient hydration to take care of its well being and integrity. Once you’re dehydrated, your physique prioritises water distribution to very important organs, usually on the expense of much less important areas just like the pores and skin. This results in a lower within the pure moisture content material of the scalp.
Can dehydration trigger dandruff?
Dandruff is usually attributable to an overgrowth of a yeast-like fungus known as Malassezia, or by situations like seborrheic dermatitis. Nonetheless, a dry scalp, which could be a direct results of dehydration, can even manifest as dandruff-like flakes.