For most, no. But some may be allergic to what is on the hair of a cow, no matter how microscopic it is.
The cows have thin hair that lets them see through it.
Most cows don't have long hair, although, I have seen a cow with longer hair than the others. Highland cattle from Scotland do have long hair A better answer may be the Kyloe.
They don't. They lick themselves and each other. They don't pull out each other's hair.
Yes Cows Can Anything Living Thing With Fur And/Or Hair Can Get Rabies
Some hair removal cream can give a rash especially if you have sensitive skin so it is always best to do a patch test. Also you must always buy a good quality cream.
Skin, hair and flies
Cows are covered in hair, not fur
No, it will not give you highlights. But if your hair is blonde it will really make you hair glow, i would also not recommend it for people with brown hair because it could damage it.
There are a couple products out there that don't harm the skin while removing hair. These products usually revolve around heat and light techniques. Among them is the home-based product No! No! which doesn't produce the rashes and what not after removing the hair.
They're covered in it. In some cows it's shaggy, and in others it's smooth. In most cases it's not very soft. (Newborn calves have soft hair.)
It's natural hair color, not decals.
Either tons of lard or something else to replenish your scalps oils, or stop dying your hair.