I used to put hair grease on my arms and legs when I was younger, and I believed/ and still do, that the hair grease made the hair on my arms and legs grow.
A childhood belief about hair

others believed things like this
- I believed that if you ate a piece of your own hair, a new strand of hair would grow on your head.— Ryo
- I used to think that everybody's hair was black and if you had blond hair, you dyed your hair.— ~_~CoolKid93_~_
- I used to hold my hand over my hair whenever i left the house and it was windy incase my hair blew away— lisa
- I used to believe that you could curl your hair by twirling a strand of hair wrapped around your finger— Anonymous
- I used to think that bleaching your hair meant washing your hair with toilet bleach.Anon
- When I was little I thought that dying your hair means you kill your hair.Anon