Everything You Ever Wanted to Know About Your Hair Type

Baby-fine, straight hair is the epitome of the 1A category. These types don't hold a curl well and can be difficult to style. Common complaints include oiliness and a limp look. Keep dry shampoo on hand for an afternoon reboot, and avoid thick conditioners that can weigh hair down, giving hair a greasy look.

Celebrity examples: Dakota Fanning, Gwyneth Paltrow

Product recommendations: Living Proof Perfect hair Day (PhD) Dry Shampoo ($30), Sachajuan Hair Mousse ($41)