Dandruff keeps falling from my head ( not as poetic as raindrops keep fallin'...huh? ). So I was pleased to find a few tips from skincare expert Cecilia Wong in my inbox. The New York City aesthetician says, "You may not realize it, but you are constantly shedding dead skin cells from all over your body. It's the skin's natural way to rejuvenate itself." She adds that scientists have discovered that dandruff occurs when a yeast-like fungus called malassezia goes wild on your scalp. The microscopic malassezia fungus, a normal inhabitant on a healthy human head, feeds on the fatty oils secreted by hair follicles in the scalp. Another cause for dandruff is dehydration. With the weather changing constantly, Wong says, it's unavoidable. Everything She Wants has been using tea tree oil, tried-and-true Neutrogena T-Gel shampoo , and an olive oil spray and those treatments seem to be helping. But here are a few more natural dandruff tips from ...