OK in moderation: Reasonable blow-drying--not too hot, not too often--should not damage your hair. The odds of damage go up if you use bleach, straightener, or other strong products. Lots of sun, curling irons, straightening irons, etc. Can cause damage too. If you've just had a baby, you are likely to lose some hair no matter how careful you are, but it will grow back.
Answered 2/7/2014
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