The Science of Shampoos - Sulfates

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The Science of Shampoos - Sulfates

This is the science of shampoos. But why care? Because ingredients matter: What goes onto your head can make your scalp dry, and itchy, and sensitive—intolerably irritating. Ever told yourself to stop scratching your head? Don’t worry. You can skip these bad hair days—with just a little help from science! So let’s begin with sulfates.

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