What is responsible for hair growth?

Author: Daphnee Nader  |  Last update: Sunday, January 25, 2026

Hair follicles are part of your skin that are responsible for growing your hair. If you accidentally pull out a strand of your hair and it has a ball (bulb) on the end of it, you didn't pull out the follicle, and instead, you removed your hair root. That root grows back and your hair will grow back, too.

What is the main cause of hair growth?

Hair growth is regulated by male hormones (androgens, such as testosterone and dihydrotestosterone), which are present in both men and women but in different amounts.

What is the main source for hair growth?

Hair growth is primarily influenced by factors such as genetics, hormonal balance, and overall health. The hair follicles, present in the skin, play a key role in hair growth. Nutrients like vitamins, minerals, and proteins obtained through a balanced diet also contribute to healthy hair growth.

Which hormone is responsible for hair growth?

Androgen hormones, sometimes referred to as “male” hormones, like DHEA and testosterone, play the largest role in your overall hair growth. When your levels of these hormones are too high, you may experience excess hair growth, especially on the body or face.

Does hair growth come from mom or dad?

Genetics: Hairiness is a polygenic trait, meaning it is influenced by multiple genes inherited from both parents. While a son may inherit certain genes from his father that affect hair growth, he may also inherit different genes from his mother or other ancestors that contribute to a more hirsute appearance.

8 Reasons Why You Might be Losing Hair

What traits are inherited from father only?

Below are some of the genetic traits that are inherited directly from your biological father.
  • Biological sex. Fathers are directly responsible for the biological sex of their offspring. ...
  • Y-linked inheritance. ...
  • Eye colour. ...
  • Puberty. ...
  • Height. ...
  • Dimples. ...
  • Fat storage. ...
  • Mental health issues.

Which parent passes the hair gene?

Studies have identified that the genetic predisposition to Male Pattern Baldness is inherited from both parents, though the influence of genes from the maternal side is particularly significant due to the role of the X chromosome. In women, androgen sensitivity also plays a role, but it is less pronounced than in men.

What to eat to grow hair faster?

  • Eggs. Eggs contain various proteins that boost collagen production. ...
  • Green Leafy Vegetables. Green leafy vegetables are rich in vitamins A, C, carotene, folate, and potassium. ...
  • Vitamin C-Rich Citrus Fruits. ...
  • Seeds and Nuts. ...
  • Carrots. ...
  • Whole Grain. ...
  • Soybeans. ...
  • Avocado.

Why do males go bald and females don't?

While hair loss can affect men and women, men's hair loss is more prevalent. Male pattern baldness is a common form of hair loss for men, and hormonal imbalances cause it. The male sex hormone testosterone plays a significant role in this type of hair loss.

What does thick hair say about your health?

A thick head of hair is often a sign of a healthy scalp. So, when your locks become noticeably sparse, it could be a tell-tale sign of hypothyroidism. This glandular condition affects nearly five out of 100 Americans ages 12 and older and can be treated with thyroid medications.

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.

Which food stops hair fall?

Anti-hair loss foods: what are they?
  • Lentils and egg yolks are rich in proteins, vitamin B, iron, sulfur and zinc.
  • Soybeans, beans, meat and cheese are great sources of protein.
  • Dried legumes, fish, bananas and avocados replenish your body's levels of vitamin B and magnesium.

What can cause no hair growth?

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. Baldness typically refers to excessive hair loss from your scalp. Hereditary hair loss with age is the most common cause of baldness.

What vitamins stop facial hair growth?

Dietary supplements that contain vitamins B6 and E are also believed to help get rid of unwanted hair growth in the facial areas. For one, vitamin B6 is thought to help lower testosterone in women and inhibit prolactin hormone production.

Can hair loss be reversed?

Effective treatments for some types of hair loss are available. You might be able to reverse hair loss, or at least slow it. With some conditions, such as patchy hair loss (alopecia areata), hair may regrow without treatment within a year. Treatments for hair loss include medications and surgery.

Does baldness mean high testosterone?

Yet, testosterone is not the reason some men go bald and others don't. Plenty of bald guys have low testosterone levels, and plenty of guys with flowing locks have high testosterone levels. Male pattern baldness comes down to how sensitive your hair follicles are to the effects of hormones, which is genetic.

How to block DHT and regrow hair naturally?

The best natural DHT blockers include green tea, pumpkin seeds, saw palmetto, turmeric, and foods rich in zinc like spinach and oysters. These natural substances inhibit the enzyme 5-alpha-reductase, reducing DHT production.

What is the best drink for hair growth?

Best Drinks for Hair Health
  • Green Tea – Antioxidants for Hair Protection: Rich in antioxidants that promote hair growth and balance hormones.
  • Carrot Juice – Vitamin A for Scalp Health: Essential for maintaining a healthy scalp and promoting hair growth.

What is the best vitamin for hair growth?

Key Vitamins for Hair Growth
  • Biotin. Biotin is a critical vitamin for healthy hair growth, and deficiency will lead to thinning hair. ...
  • Vitamin D. ...
  • Vitamin A. ...
  • Vitamin C. ...
  • Vitamin E. ...
  • Folic Acid. ...
  • Iron. ...
  • Magnesium.

Which parent determines height?

Children inherit height pattern from both the parents and even grand parrnts, because, height (stature) is a polygenic character but not a single gene character. Hence, it is difficult to predict the height of children based the height of mother and father alone.

What is the most common hair color in the world?

What is the most common hair colour? Global statistics show that black is the most common hair colour, followed by brown. Black and brown hair strands are usually thicker, as well as darker, than blonde hair. Furthermore, black hair is thicker than brown.

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