The glittery strands are showing up everywhere from the red carpets of Hollywood to the runways of New York. The thin colorful strands (also called hair shimmers or hair bling) are made from silk and are applied by tying them around the root of several hairs. When tied correctly, hair tinsel can last for weeks and can be washed, blow-dried, and heat styled (up to 400 degrees). Hair tinsel is a great way to stand out on your next night out, show school spirit, or celebrate the holidays. It's...