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Bonnie is confused: There seems to be a lot of conflicting information about silicone-heavy hair products, and whether or not they help make hair soft and silky. I’m concerned about buildup and having my hair dry out. Also, how do more natural alternatives, like coconut and sweet almond oil, compare?

In general, silicones work by covering hair with a thin, hydrophobic (waterproof) coating. This coating serves several purposes: It helps reduce the porosity of the hair, which makes it less likely to absorb humidity; it helps reduce moisture loss from the inside of the hair; and it lubricates the surface of the hair so it feels smoother and can be combed more easily.