PAINT IN HAIR

Here are some tips for removing paint from hair;

Monkeying around - If it happens to the kids then sit them down in front of you and pick out the paint with your fingernails whilst watching TV.
Olive Oil - Olive Oil or similar cooking oil usually removes sticky hardened materials.
Dish Soap & Toothpaste - Try dish soap and really wet hair. If not, try gritty toothpaste.
Wait for nature - Simply wait until the hair grows and then cut off. (If your not in a rush of course)