How Long Does It Take Eyebrows To Grow Back (And Why)?

How Long Does It Take Eyebrows To Grow Back (And Why)?

Exact answer: 4 months 

A human’s eyebrows may fall out for a variety of reasons. Overly zealous plucking hairs, shaving for years, and even shaving are all common causes of sparsity or lacking brows. There are also health factors for brow loss of hair, encompassing alopecia areata, hormone imbalance, and poor nutrition. Hair loss in the brows is another known side effect of chemo. The root reason for brow loss, as well as your age and other considerations, may all play a role in how long it’ll take for your hair to grow back. As per studies, brows regrow in four months.

How Long Does It Take Eyebrows To Grow Back

How Long Does It Take Eyebrows To Grow Back?

Eyebrows Growth Time
No visible growth.1st month
Some hair grows out from the roots.2nd month
Eyebrow hair grows denser.3rd month
A perfect eyebrow.4th month

It was once thought that if one’s brows were shaved or ended up losing, they would never grow back. Nevertheless, unless you have a health condition that is starting to cause your hair to fall, your eyelashes should regrow.

A 1999 study refuted the false notion by demonstrating that shaved brows grow back ordinarily. In the study, five people had one of their brows shaved, while another brow was left intact for contrast.

Photographs taken at each follow-up were used to assess new growth over a six-month period. Except for one woman with lamp, sparse brows, who took a full six months to gain complete regrowth, all other respondents’ brows had risen back to usual within four months. Hair growth follows a three-tier cycle. The stages are not synchronized, and some hairs remain in one step for a prolonged period than the others.

The active growth phase is known as anagen. The catagen, a two or three-week in-between phase in which growth stops and follicles shrink; and the telogen, a resting and shedding phase in which aging hairs fall out to make way for new ones. Hair length is based on the length of the anagen phase. Eyebrow hair grows at a slower rate than scalp hair and has a much-shortened anagen phase. Eyebrows grow at a rate of 0.14 mm to 0.16 mm each day.

Why Does It Take This Long to Grow Your Eyebrow Back?

There are several factors that can influence how quickly your brows grow back. These are some examples:

  • Tweezing and waxing trauma, such as cuts, burns, and other brow hair follicle damage
  • Anxiety and stress
  • Pregnancy
  • Thyroid disease caused by aging
  • Eczema and psoriasis are two examples of skin conditions.
  • Abrasive makeup

Chemotherapy drugs, according to the American Cancer Society, damage hair follicles, causing hair loss. This is due to the fact that chemotherapy attacks and damages all rapidly dividing cells in the body, including those responsible for hair growth.

Not everyone who receives chemotherapy loses their hair. Which hair falls out and how much falls out varies from individual to individual — even when taking the same medications. Some medications cause hair loss all over the body, including all the brows, whereas others only cause hair loss on the scalp.

Chemotherapy hair loss is transitory. Well before treatment is completed, brows and other hairs frequently begin to regrow.

Almost all of the time, your brows will regrow, but the rate at which they will regrow will be determined by your age and general health. A very little perseverance, avoidance of plucking and waxing, and a change in diet may be all that is required. A medical condition causes your brows to fall out or inhibit them from properly growing in. Visit a physician if your brow hairs fall out and stagnate for no apparent reason.


There is no quick fix for thickening your brows. Your age, genetics, and hormones all have an impact on how quickly your brows grow back. Eating a healthy, well-balanced diet may be beneficial. Hair is primarily composed of proteins, and animal experiments have shown that a lack of protein can result in loss of hair.

Specific vitamins, such as B vitamins and vitamins A, B, C, and D, have also been linked to increased hair growth. Dark green vegetables, such as kale and spinach, are high in these vitamin supplements.

Treatment depends on the cause of your hair loss, you may need to consult with a doctor about trying to treat any underlying illness that is contributing to your brow loss.



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