I am a 27 year old female. I am very active, I eat well and drink a gallon of water daily. I am a marathon runner and a rock climber, so I eat well and do not smoke. On average I wash my hair 3 times weekly.
I do not straighten or curl my hair. I partially blow my hair dry after each wash, and let it air dry the rest of the way. I do not use any products on my hair other than shampoo and conditioner when I wash.
My two sisters have red hair (strawberry blonde & auburn), so my hair does have some red highlights. My hair gets very light colored when it is exposed to the sun, which is often because I am always running and/or rock climbing.
My hair is naturally straight/wavy (refer to pictures). It will hold a curl nicely.