Ever wondered why you carefully select pH-balanced, active-ingredient-rich products for your face, then grab whatever shampoo is on sale for your scalp? In this episode, Sarah Ling-Miller breaks down the science behind scalp skincare—the emerging approach that treats your scalp with the same dermatological rigor as your complexion. Whether you're dealing with persistent shedding, unexplained itchiness, or just want to understand why your hair products might be sabotaging your scalp barrier, this episode delivers the chemistry-backed answers you need without the luxury price tag.

• Your scalp's natural pH sits between 4.5 and 5.5, but most conventional shampoos range from pH 6 to 8—this alkaline disruption takes 2 to 4 hours to correct and leaves your scalp vulnerable to inflammation, microbial imbalance, and increased water loss.
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