Does Hair Really Grow Faster in Summer?

by Moin Uddin Ahmed Tipu

You just got a haircut and now it feels like you need another one! Why is this, and is it true that your hair grows faster during the summer? To get to the root, Trace delves into the science behind hair growth, debunking classic hair myths along the way. You’ll be surprised by what he learns!

Read More:

Why Does Facial Hair Grow Faster in the Summer?

“Even though it seems like your hair should grow faster in the winter to keep you warm, your body thinks otherwise.”

Seasonal Changes in Human Hair Growth

“Various parameters of hair growth were determined every 28 days for 18 months in 14 healthy Caucasian men aged 18–39 with indoor occupations in Sheffield, U. K.”

The Biology of Hair

“Hair is much more complicated than it appears.”

Seasonal Changes in Metabolic and Temperature Responses to Cold Air in Humans

“The metabolic and temperature response to mild cold were investigated in summer and winter in a moderate oceanic climate.”


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EgholmViking August 4, 2013 - 7:58 AM

lol, the commercial i got in the start was the Gillette 1989. quite fitting i find :P

Evie September 15, 2013 - 12:34 AM

The commercial I got was the Caboki hair replacement thing. LOL.

Xenn000 September 30, 2013 - 2:35 AM

It should be 0.02 in/day, otherwise you would have another inch every 5 days, which is crazy,

uichill October 27, 2013 - 7:37 PM

now, i might try it for real. thanks

eric peterson February 10, 2014 - 10:13 AM

The hair being dead skin cell is a brilliant way for the body to put waste to good use. Dead skin cells are bad for your body. Can cause discomfort like not taking a good bath for extended periods of times (3+ weeks) and the hair is great for shielding your body from the Sun's harmful rays. And can keep you warm during colder seasons.. Which I admit I don't think most people have enough hair to do that.. but that is just speaking for myself xD

Maria Tapia March 27, 2014 - 3:54 AM

Im always stressed and some girl in my grade wish they had it. I took that as a compliment.

Maria Tapia March 27, 2014 - 3:56 AM

My hair I mean

Efflorescentey April 4, 2014 - 1:48 PM

How come I only have to shave once every 2 or 3 days in summer, but in winter it's back in several hours?

Walker998 April 6, 2014 - 1:33 AM

quick question is it me or does hair grow faster during times of puberty for a male?

Zaira Lozano April 10, 2014 - 8:00 AM

2:46 gives me the chills.

Angel Oneill April 14, 2014 - 2:05 AM

the longest my hair has ever grown in a year was about 12 inches… am i a freak?

London Parkour Project August 27, 2014 - 3:00 PM

cutting hair (or should I say trimming hair) does make it grow longer, because it removes split ends ( the split ends are what prevent hair from growing past a certain length). 

Matthew TheWizard November 8, 2015 - 11:36 PM

your edges are fucked up just like mine

Briana Whittaker April 6, 2016 - 12:43 AM

Its not really accurate to say that just bc a person's hair doesnt grow past a certain length that their anagen phase is shorter. Bc it depends on what the person does to their hair if they use heat bleach or hair dye and if they've had very long hair in the past..then chances are it was healthier when they didnt mess with it. But when it became unhealthy it was breaking off faster than it was growing im not a hair dresser but ive seen this happen to ppl before.

Carina Aysha May 10, 2016 - 3:06 PM

My hair has been thinning for a few years now. This Argan Rain shampoo is incredible. It's been making my hair thicker and healthier.

D Hunter June 30, 2016 - 12:02 AM

Thank you! My grand daughter cut her own hair and is hysterical now about the missing hair. You educated us so we can avoid spending money on worthless products. Besides, your video was just plain interesting!

Amari Deraisx January 13, 2017 - 5:37 AM

I commented here because no one will see this

Wayne Slager May 27, 2017 - 5:12 AM

I thought my hair cutter was goofing me.
Now I no he is not.

Ammal November 30, 2017 - 10:46 AM

I have a question for the Dnews team do your hair and nails continue to grow after death and if so why?

ĐÂŅÝŁ ĢÁŁÀ December 7, 2017 - 2:41 AM

Man, ur content is really good…
Keep Up The Gr8 WorK Bruh…

Atypical Paul December 29, 2017 - 6:32 AM

I'd love too see science behind what oils actually help hair on a molecular level

Creator Sun March 28, 2018 - 4:27 AM

Why aren't there a million views on this interesting video?

MyNameIsMaybe May 23, 2018 - 1:31 AM

But we're still in spring…

anjela anjel September 21, 2018 - 12:58 AM

… hair dont grow at alll & i eat healthy 😭😭😭😭😭😭😭😭😭😭😭😭

Ben Newman February 1, 2020 - 11:43 PM

What about spring as well. If hair grows more in summer. Then it could in spring as well

Don Hatter May 25, 2020 - 9:09 PM

My Hair Grows fast in Summer

tom Holland June 3, 2020 - 4:05 PM

My hair keeps growing 😜 long

Anupam Medhi September 28, 2020 - 4:34 PM

Says the guy with receeding hair line