I have anger problems and i need help.?

Im a 15 year old female . I tend to get mad alot ! Over every little thing ! I hate when people think im lyin , i hate when my mom tells me to do sumthn . I also hate when im helpin someone with something and i keep havin to repeat myself . When this happens i juss feel anger build up inside of me sumtymes when i get mad i eat lotion , gel , or bang my head on sumthn !! Idk whts wrong with me ! Maybe a counselor ?