As much as 30 percent of women will experience some sort of hair thinning, usually first noticed with age as a skinnier ponytail or when you see more visible scalp peeking out. Playing around with your haircut can mask the issue, so talk to your stylist about adding volume and bounce.  Adding thickening products (such as Pantene AgeDefy Advanced Thickening Treatment) to your beauty arsenal can help, too. Then look to finding out the root of the problem (ooh, bad joke). A healthy-hair diet can work wonders on strengthening disappearing strands, as can certain supplements, such as biotin.
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