Rubbing a balloon against your hair creates a build-up of static electricity on the surface of the balloon, which then applies an opposite charge to your hair. This causes your hair strands, which are similarly charged, to repel each other and stand on end.
They get their hair to stand up by the cunning application of hair gel.
To make someone's hair stand on end is to cause them to be very frightened, the expression is derived from getting goosebumps when scared and thus having your hair stand on end.
In Shakespearean language, "make your hair stand on end" means to scare or horrify someone to the point that their hair raises in fear.
They don't, but they usually puff it up by making all the hairs stand on end. They also puff up their back hair, too, and stand sort of sideways. This is all meant to make them look bigger.When humans get scared, they also feel 'their hair stand on end' as the hair muscles tighten up but we've lost most of our hair so it's kind of useless. Just a left-over reaction.
A cold sensation it shockes your body and that is its reaction
repulsion (study isalnd)
When you are cold or scared, tiny muscles called arrector pili contract, causing hair to stand up and creating goose bumps on your skin.
You cover your hair in hair gel then you comb it up
The arrector pili muscles makes the hairs on your arm stand on end.
Arrector Pili Muscle
Static Electricity generator an electrical force can make your hair stand on end that happens because, your hair has picked up extra electrons. This causes your hair to repel against each other(Like charges repel remember!). Because you hair is so tightly packed, the furthest any hair can get from another hair is to stand straight up.