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But every time I shop for shampoo, I start to doubt myself. Do I need one that's more hydrating? Less hydrating? Is my hair oily or dry? How have I gotten through 34 years of life without knowing this basic fact about my hair? ... I can see why I need egg-white protein in my diet, but do I need it in my hair? I examine the bottle, studying the shockingly long list of ingredients, which includes many items that have over ten syllables, none of which are coconut- or egg-related. And then, in the middle of dodecenyl succinate, I whip my head around.
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