Can caffeine increase hair growth?

Author: Eryn Hayes  |  Last update: Monday, January 26, 2026

Short answer: Potentially. "Caffeine is a stimulant that increases circulation, allowing beneficial nutrients and oxygen to be delivered to the hair follicles to keep them healthy," explains Dr. Michele Green, a board-certified dermatologist in New York City.

Does caffeine make you grow more hair?

In the laboratory, caffeine has been found to both enlarge hair follicles and lengthen their growth phase. When it's used for hair loss, caffeine is given as a topical treatment (most commonly, it's included in a shampoo).

What drink makes your hair grow faster?

Kiwi Juice: A Vitamin C Powerhouse

Vitamin C is essential for collagen production and tissue health. Since hair follicles consist mostly of collagen proteins, vitamin C plays a vital role in promoting healthy hair growth and shine. The nutrient protects follicles against damage while stimulating new strand production.

How to make caffeine for hair growth?

Use 1part caffeine-water, 3 parts water or shampoo or whatever you are adding the caffeine water to. The caffeine-water could be mixed with a shampoo (when using, don't dilute a product in its bottle), or made into a spray or put in or in a dropper-bottle to apply to the scalp.

Will my hair grow back if I stop drinking coffee?

DHT is a derivative of testosterone, which is why male or female pattern baldness is more common in men than in women. There's no evidence to suggest that caffeine intake increases DHT levels, affects the hair growth cycle, or causes the hair follicles to stop producing hair.

Using Topical Caffeine to Slow or Halt Hair Loss | Dr. Andrew Huberman

How long does it take for caffeine to regrow hair?

"It may take around four months to see any signs of improvement or hair growth," Green says.

What causes hair thinning?

Overview. Hair loss (alopecia) can affect just your scalp or your entire body, and it can be temporary or permanent. It can be the result of heredity, hormonal changes, medical conditions or a normal part of aging. Anyone can lose hair on their head, but it's more common in men.

How to make hair grow quicker?

9 WAYS TO MAKE YOUR HAIR GROW FASTER
  1. Trim your hair. ...
  2. Eat protein-rich foods. ...
  3. Take a hair-boosting supplement. ...
  4. Use a hair growth serum. ...
  5. Use a weekly hair mask. ...
  6. Take care after washing your hair. ...
  7. Always use heat protection. ...
  8. Protect your hair from the elements.

Which fruit is best for hair growth?

Banana: The biotin and potassium content in a banana is known to promote thick and shiny hair. Lemon Juice: The Vitamin C present in lemon juice is known to increase iron absorption. It has a rich source of antioxidants, which keeps the scalp healthy. Papaya: Papaya is known for keeping hair shiny and smooth.

Does drinking a lot of water help hair growth?

Drinking at least two liters of water a day will help the strength of your hair, increasing growth. Dehydration immediately halts hair growth. As previously stated, our hair needs moisture (preferably soft water for your hair). When it doesn't have the moisture it needs, your hair ends will split or become brittle.

Is caffeine bad for your hair?

While having that cup of coffee a day can help to encourage healthy hair growth, also note that drinking too much can cause hair loss to occur as well. Consuming too much caffeine can stunt the growth of hair during the hair growth cycle. It can work to slow down this process, meaning your hair may not regrow quickly.

Does cinnamon help hair growth?

Cinnamon oil is thought to be effective because it dilates blood vessels and increases blood circulation. Strong blood flow to the hair follicles is essential for healthy hair growth as the blood transports nutrients to the follicles, energising them and helping to stimulate hair growth.

Does lack of sleep cause hair loss?

Quality sleep is as vital for healthy hair as it is for overall health. When we don't sleep enough, it can throw off the levels of certain hormones that help our hair grow, such as oestrogen and melatonin. People experiencing regular poor sleep tend to notice more hair shedding and thinning.

What are signs of low DHT?

The low DHT levels may lead to reduced body hair growth and a mild decrease in pubic hair. The prostate has a significant 5-alpha-reductase type 2 activity, producing large amounts of the potent DHT.

Does caffeine block DHT?

“Caffeine has been shown to block DHT to the scalp and can also push hairs into the growth phase for those suffering from thinning.

What is the strongest natural DHT blocker?

13 best natural DHT blockers
  • Tomatoes. ...
  • Pumpkin seeds. ...
  • Kale. ...
  • Rosemary water for hair. ...
  • Stinging nettles. ...
  • Carrots. ...
  • Finasteride. ...
  • Dutasteride. Dutasteride is designed to suppress the conversion of testosterone into DHT, for treating enlarged prostates and reducing hair loss.

Does hair grow faster with caffeine?

Because of this, caffeine can potentially help with hair growth. “Caffeine by nature is a stimulant that increases circulation, which could have the capacity to bring nourishment to the hair follicles,” she says. “It also may have the possibility to deliver more oxygen, which could increase cellular growth.”

How to remove DHT from scalp?

You can start by incorporating foods like green tea, saw palmetto, and pumpkin seeds into your diet, as they are believed to have properties that reduce DHT production. Additionally, managing stress and maintaining a healthy lifestyle can contribute to natural DHT reduction over time.

Does caffeine increase testosterone?

Several studies were conducted on this topic, and many found similar positive conclusions. Caffeine consumption (up to 800mg) was linked with higher testosterone levels of up to 14% if taken before a workout; however, cortisol levels increased as well, with one study citing a 21.3% increase and another at 44%.

Can thin hair become thick again?

Yes, absolutely! Stress, excessive heat styling, age and even genetics can deplete your hair's thickness. Keeping your scalp and roots healthy is how you can promote the growth of thick hair. You can do the same by oiling regularly, refraining from wearing tight hairstyles and following a nourishing hair care routine.

What is your body lacking if your hair is thinning?

Vitamin D.

Vitamin D is essential for creating the cells that develop into hair follicles. It also supports healthy bones and your immune system. If you have hair loss and low vitamin D levels, your doctor may recommend vitamin D supplements.

What does thyroid hair loss look like?

Severe and prolonged hypothyroidism and hyperthyroidism can cause loss of hair. The loss is diffuse and involves the entire scalp rather than discrete areas. The hair appears uniformly sparse.

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