結果 : what makes your hair turn gray as you get older
6:17

Why Do We Get GRAY HAIR? | Why Does Hair Turn GRAY? | The Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
2,136,812 回視聴 - 4 年前
1:51

Why does HAIR turn gray?

JumpButton Studio
126,308 回視聴 - 9 年前
2:47

Age isn't the only reason why hair starts to go gray

Baylor College of Medicine
134,424 回視聴 - 7 年前
1:51

Why Does Your Hair Turn Gray? | COLOSSAL QUESTIONS

Colossal Cranium
2,514,709 回視聴 - 5 年前

-
5:37

Can Gray Hair Be Reversed?

SciShow
602,495 回視聴 - 1 年前
3:45

Why Some People's Hair Turns Gray

Insider Science
566,546 回視聴 - 5 年前
7:15

Dr. David Sinclair on Gray Hair Reversal

Vitality Views
359,492 回視聴 - 10 か月前

-
5:25

Why Our Beards Go Gray at an Early Age

VOLT Lifeproof Grooming
34,094 回視聴 - 2 年前
3:04

Here’s What Causes Gray Hair at Early Age (You Can Avoid This) - Andrew Huberman

knowzilla
89,959 回視聴 - 1 年前
2:55

Why Does Hair Turn Gray?

SciShow Kids
186,110 回視聴 - 7 年前
4:57

Tips to embrace and style gray hair after 50

Good Morning America
71,735 回視聴 - 6 か月前
2:52

Why Does Your Hair Turn Gray/White When You Get Older.جب آپ بوڑھے ہوجاتےتو آپ کے بال سفید کیوں ہو تے

Science Hub
277 回視聴 - 1 年前
2:02

Why Your Hair Will Turn Gray

Life Noggin
935,352 回視聴 - 9 年前
1:19

Here's how stress can bring more gray hairs

11Alive
48,584 回視聴 - 2 年前
1:34

Researchers may have discovered what causes hair to go gray

TODAY
32,488 回視聴 - 1 年前
4:04

How to Reverse Gray Hair, According to Scientists | Mashable

Mashable
492,446 回視聴 - 3 年前
8:59

Can You Reverse Gray Hair? Dermatologist Explains | Dr. Sam Ellis

Dr. Sam Ellis
182,764 回視聴 - 6 か月前
1:22

Why Does Hair Go Gray? | WebMD

WebMD
75,834 回視聴 - 8 年前
3:06

Will Stress Really Make You Go Gray?

SciShow
407,238 回視聴 - 6 年前
0:35

How gray hair can be reversed, according to new study

WDTNTV
29,976 回視聴 - 1 年前