It doesn't only come on Halloween. It sneaks up on you when you least expect it. With a flash, it lashes out at you like a deranged street windshield-washer, drooling on your car and asking for your approval then a hand out.
Lets explore the dynamics of scary hair and see if there is any way to avoid it.
Take this classic case. A co-worker has Scary hair. Never go there unless you like standing in line at the unemployment office. But still, there are scary hair people lurking in the dark, coming around the corner. All the things we have done to hair in the past makes hair look scary.