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When your hair is wet like when you take a shower or go for a swim does it become shorter or seem longer than it is when dry? How much so?
For me (And I have pin-straight thick hair):
My hair still appears longer when wet, currently.
I attribute this to the weight of my hair compared to the springiness of it (as thick hair naturally wants to go outwards, and being dry means there's no extra weight to mold it down)
I'm sure this will change within a few months
The bottom line here is whether your hair is wet or dry the hair
is exactly the same length.
That having been said it may seem shorter when wet due to things
like curls or waves.
I think it actually gets slightly longer when wet:
http://www.pbs.org/weta/roughscience/series2/challenges/weather/page11.html
"We used human hair to make our hygrometer. Hair is composed of many millions of cells. The cell walls are sensitive to moisture and will change shape and size as the moisture content in the air changes. Hair can therefore indicate the level of moisture in the air by expanding and contracting.
Our meter was made by simply attaching one end of a long strand of hair (15cm, or about 6 inches) to the base (bottom left hand corner but invisible in the picture) and the other end to the end of a stick pointer which was pivoted near to this point. To make the meter perform correctly a weight was attached just the other side of this pivot (string and nut). When the air is moist, the hair will expand and lengthen, making the pointer pivot down. When the air is dry, the hair will contract and shorten, making the pointer pivot up. When we made our regular hygrometer observations, we made a mark to indicate where the pointer rested."
I'll try to remember to measure mine before and after the next time I take a shower.
Well, since my hair is curly, when it's wet not only it gets heavy, but gets longer.
The thing is simple, when it's wet (especially if its curly) the hair get extended to it's full lenght (maximum size)
When it's dry, my hair reaches my shoulders, when it's wet, my hair reaches something between shoulder blades and mid back lenght.
Hair is longer when wet.
While wet, hair is in it's most fragile state. It is most flexible when wet. It can stretch and break more easily while wet, compared to when it is dry. That is why you never brush wet hair.
Yes... my hair is much longer when wet...
.... it curls up alot now that I have to wear a bun at work...
.....I'm still here.... been busy.... happy snow.....The Spaf Man
Wow! Definitely longer! In fact, I can't believe I never noticed how much difference water makes before.
I didn't even need to measure it. It's so obvious just looking in the mirror. Before the shower, it was clearly above my nipples. After stepping out, it was almost covering my nipples. But since I promised in a previous message to measure mine:
Before showering my hair was 17 inches. This, on an already rather humid day (dew point was 65 degrees Fahrenheit).
After showering, my hair was almost 19 inches. So, about a 10% increase.
When dry, my hair reaches just below mid-thigh. Wet, it slaps the back of my calf, and that's with a bit of a wave in it, so pulled straight, it would probably be an inch or two longer.
I've found my hair is the same length wet or dry. The only difference is when it is wet straigher, when it is dry theere is sometimes a slight curl.