How Fast Does Hair Grow In One Day, One Week, And One Month 

by Tommy Sroski

“I want to grow my hair quickly, but I don’t know what to do …” “I’m trying various things, but it’s hard to grow …” Are we thinking the same way? You’ve come to the right page!

In this article, we will explain the mechanism of Hair Growth and show you how to promote growth. We will also introduce three habits that slow down the growth of hair, so please do a self-check.

The Mechanism of How Fast Hair Grows | Relationship Between Hair Matrix Cells and Hair Cycle

Hair Growth Cycle

In order to grow hair quickly, first, understand the mechanism by which hair grows. In the innermost part of the hair root that creates hair, the “hair bulb”, the “hair matrix cells” that receive the instructions of the “hair papilla” repeat division, and the hair is made and grows.

Hair does not continue to grow, and after a certain period of growth, it reaches the end of its life and falls off. It is a natural phenomenon caused by the hair cycle. The hair cycle is a growth cycle until the hair grows and regenerates, and there are three stages: growth phase → catagen phase → resting phase.

  • Growth period. This is the period during which hair grows, and the longer it is, the longer the hair grows.
  • Regression period. The period during which hair growth stops and hair bulbs degenerate.
  • Telogen period. The period until the hair falls out and new hair begins to grow.

Hair grows by constantly repeating this cycle, usually with a growth period of 2 to 6 years, a catagen period of 2 weeks, and a rest period of 3 to 4 months.

However, if the hair cycle is disturbed, it may cause the hair to fall out easily, become difficult to grow, or hinder hair growth. In other words, it is very important to arrange the hair cycle in order to grow hair quickly.

Now that we know the relationship between hair matrix cells and the hair cycle, let’s talk about how fast hair grows.

How Fast Does Your Hair Grow?

How Fast Does Hair Grow 2023

Suddenly, do you think there is no individual difference in the speed at which hair grows? In fact, the speed of hair growth varies depending on lifestyle, eating habits, gender, and age.

If there is no individual difference in the speed of hair growth, it is impossible to grow hair quickly. Before we show you how to stretch fast, let’s figure out how fast it stretches.

Estimated Hair Growth Length in One Day, One Week, One Month

Hair is said to grow about 0.3 mm per day. In other words, it is calculated that it grows about 2 mm in one week, about 1 cm in one month, and about 6 cm in half a year.

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If you know the guideline for growth, it is convenient for you to calculate how long you need to wait for your hair to recover when you cut your hair too much.

There are Individual Differences in the Speed at which Hair Grows

Since there are individual differences in the duration of the hair cycle in the first place, the growth rate of hair also varies from person to person. In fact, do you have friends or acquaintances around you who feel that their hair grows fast?

The hair cycle is likely to be caused by various factors such as lifestyle and eating habits, so depending on your efforts, you can increase the speed of growth.

Hair Grows Differently Depending on Men and Women

It is said that the hair cycle is 3 to 4 years for men and 5 to 6 years for women, and it can be seen that women are more likely to grow their hair longer.

This is because estrogen, which promotes hair growth, is a type of female hormone, so women who secrete more estrogen have a longer growth period.

Does Your Child’s Hair Grow Faster? The difference in Hair Growth Speed Depending on Age

The difference in hair growth rate with age is related to turnover. The scalp, which is also the foundation of hair, is a part of the skin, and it regenerates by making a turnover. Then, the amount of water and sebum is adjusted, and it protects the scalp from external stimuli such as dryness and ultraviolet rays.

If the scalp environment is adjusted, healthy hair will grow more easily, but if the turnover is disturbed, various troubles such as dandruff, itchiness, and even hair loss will easily occur.

As we get older, our metabolic function declines, and turnover does not work well, so we feel that our hair grows slower than children and younger generations.

The Speed at Which Hair Grows Varies Depending on the Part of the Hair

It is generally said that the occipital and temporal hairs of the head grow faster than the bangs and zenith.

Some people may feel that their bangs grow faster, but the bangs are easy to see, so you might think that they grow faster. As you can see, the speed of growth varies depending on the part of the hair.

Is Hair Growing Too Fast a Sign of Illness?

Hair grows at a speed of about 0.3 mm per day. Hair, which is not directly related to life in the first place, has a low priority for delivering nutrients and tends to be postponed. But on the contrary, if your hair is healthy, your body is also healthy.

Speaking of illnesses that can be seen by the speed at which the hair grows, if the hair grows quickly and is extremely easy to come off, or if it is accompanied by other symptoms such as fatigue or hand tremor, it is possible that the thyroid hormone is abnormal. 

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If you are worried about it, you may want to see a doctor once. As you can see, hair is a barometer of health and can be notified of any changes.

4 Ways to Make Your Hair Grow Faster and Easier

How Fast Does Hair Grow 2022

There are four main ways to grow your hair faster which are listed in the following:

  • Keep your scalp and hair healthy with proper hair care
  • Create an environment where hair grows easily with a hair restorer
  • Get sleep to help your hair recover and repair
  • Nourish your hair with a well-balanced diet

Each point will be explained thoroughly for you to further understand.

① Make Your Scalp and Hair Healthy with Proper Hair Care

When the scalp is dirty, the pores are easily clogged with sebum and dirt, which hinders hair growth. Clean your scalp thoroughly with shampoo to keep your scalp clean.

However, shampoos that are too detergency may wash off even the necessary sebum if you do not follow the instructions, so we recommend products that are gentle on the scalp, such as amino acid-based shampoos and hair-growth shampoos.

② Create an Environment where Hair Grows Easily with a Hair Restorer

Hair restorers can provide nutrients directly to your hair. Since the hair restorer contains hair growth ingredients, it is ideal for preparing the scalp environment where hair grows easily.

It is important to have a well-balanced diet, but in order to improve the effect, it is also recommended to use it in combination with a hair restorer that delivers nutrition directly to the scalp.

In addition, a scalp massage after applying a hair restorer will improve blood circulation and make it easier for the ingredients to become familiar. Use the pad of your finger to give a moderate amount of stimulation.

③ Get Sleep and Promote Hair Recovery and Repair

The highest amount of growth hormone secreted during the day is at bedtime. Growth hormone not only helps to be cautious but also has various effects such as physical fitness and skin recovery. It also has a lot to do with hair growth.

However, lack of sleep reduces the secretion of growth hormone and disturbs the autonomic nerves. Then, sufficient nutrition is not delivered to the scalp, which hinders hair growth.

In addition to ensuring sleep time, try to get a good night’s sleep by stopping your smartphone or watching TV 30 minutes to 1 hour before going to bed.

④ Nourish Your Hair with a Well-balanced Diet

If you continue to have an unbalanced diet with fast foods, ready-to-eat foods, and greasy foods, your scalp will not receive sufficient nutrition and your hair will not grow easily.

Dietary nutrition is very important for hair growth. In particular, proteins, amino acids, vitamins, and minerals are essential nutrients for making hair. Let’s review our daily eating habits and improve them little by little.

3 No Good Habits that Slow Down Hair Growth

Just as there is a way to grow hair faster, there are also NG habits that slow it down. There are three main no good habits.

  • Eat only greasy meals
  • I’m on a radical diet
  • Lifestyle is disturbed

All disturb the hair cycle and cause longer telogen. If you have at least one habit, be aware that your hair may grow slower than a person’s. Now let’s talk about why these habits have a negative effect on hair growth.

① Eating Greasy Meals

A diet consisting of greasy meals such as fried chicken and pork cutlet increases sebum secretion and prevents pores on the scalp.

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Hair grows from the pores, so if it gets clogged with sebum, it will be difficult to grow. It also leads to poor blood circulation in the scalp, which prevents the necessary nutrients from being delivered sufficiently and hinders hair growth.

Hair growth requires nutrients such as protein, zinc, and vitamins. A well-balanced intake of these nutrients can help you build healthy hair.

② Extreme Diet

Excessive dieting can be stressful and can cause a deterioration of the scalp environment.

The main effects on the scalp are poor blood circulation and hormonal imbalances, both of which impede hair growth.

Also, dieting due to dietary restrictions is a source of malnutrition. Nutrients taken from the diet are preferentially sent to life-threatening parts such as the heart, liver, and brain, leaving hair behind. Therefore, if you do not keep in mind a well-balanced diet, your hair will be affected at an early stage.

Refraining from excessive dieting will lead to deterioration of the scalp environment and improvement of poor blood circulation.

③ Disorders in Lifestyle

If your lifestyle is disturbed, your hair cycle is likely to be disturbed too. It is important to review your daily life, as disturbed hair cycles can hinder hair growth and make it easier to pull out.

For example, to get a good night’s sleep, stretch or take a bath before going to bed to improve blood circulation. Also, when you operate your smartphone before going to bed, the influence of blue light causes your brain to think that it is daytime, which lowers the quality of sleep, so please think about how to use it, such as deciding the time.

In addition, lack of exercise and cigarettes can cause poor blood circulation, so efforts to improve them are necessary. Review your lifestyle to normalize your hair cycle.

Turnover is Important for Fast Hair Growth

In order to maintain beautiful skin, old skin becomes dirt and peels off in a cycle of about 28 days. This is called turnover. Just like the hair cycle, it is the cycle in which the skin is reborn.

When the turnover works normally, the amount of water and sebum is adjusted, and the scalp is protected from external stimuli such as ultraviolet rays and dryness. Then, you can grow and maintain healthy hair that is firm and shiny.

However, if the turnover is disturbed, the scalp may become dry and sebum may cause excessive secretion, which may hinder hair growth. In order to grow hair quickly, it is important to arrange the turnover.

Aim for a Healthy Scalp & Hair by Practicing How to Grow Hair Quickly

How fast hair grow

It promotes turnover, prepares the scalp environment, and creates an environment where hair grows quickly without disturbing the hair cycle.

To do so, the following practices are required.

  • Keep your scalp and hair healthy with proper hair care
  • Encourage hair repair with a good night’s sleep
  • Nourish your hair with a balanced diet
  • Create an environment where hair grows easily with a hair restorer

If you are uncertain about choosing a hair restorer, why not try Polypure EX, which is effective in preventing hair loss. This product contains moisturizing ingredients such as proprietary biopolyphosphate to moisturize hair. In addition, since it contains four active ingredients, it has the effect of regaining firmness and elasticity in the hair.

If you feel that your hair grows slowly, start by preparing your scalp environment.

Read More:

How to Increase Hair Growth Cycle

7 Best Shampoo For Black Hair Growth 2023

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