Hair might grow up to half an inch monthly, and up to six inches a year.

Learn how factors like health and hormones affect growth.

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The rapid shift in time applies to almost everything in lifeexcept our hair.

The short answer is: its complicated and requires some patience.

What are the phases of hair growth?

An unrecognizable male hairdresser combs the dried hair of middle aged blond woman sitting sideways

trichologist, hair expert, and CEO ofColour Collective

Everyones hair goes through these phases, and theres truly no way to hack the system.

Anagen Phase

The anagen phase is the longest phase, lasting around five years.

During this phase, the hair follicle pushes out hairs that will continue to grow until they fall out.

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According to Dr. Gohara, around 90% of hairs are in this phase at any given time.

Telogen Phase

The telogen phase, also known as the resting phase, lasts about three months.

Washing and brushing your hair can also amplify this stage.

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What affects hair growth?

How can you speed up hair growth?

But no matter what, ensuring youre eating a well-rounded diet never hurts.

BEVERLY HILLS, CALIFORNIA - MARCH 02: Shay Mitchell attends the 2025 Vanity Fair Oscar Party Hosted By Radhika Jones at Wallis Annenberg Center for the Performing Arts on March 02, 2025 in Beverly Hills, California. (Photo by Daniele Venturelli/Getty Images)

trichologist, hair expert, and CEO ofColour Collective

How fast does hair grow per month?

Dont hold your breath if youre looking to grow your hair out in a month.

Does hair stop growing at a certain age?

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Your hair doesnt stop growing at any particular age.

This is typically reflective of hormonal shifts that are also occurring at the same time, such as menopause.

Does hair have a maximum length?

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Ultimately, this is determined by genetics and other factors like overall health and hormones.

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