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Page A-018
Does glycolic acid make skin dry? Understanding exfoliation, barrier damage, and hydration
Stacking strong actives: Combining glycolic acid with scrubs, retinoids, high-strength vitamin C, or frequent salon facials in the same week can push your barrier past its limits, especially in drier climates or in AC-heavy offices.
Page A-019
When lactic acid makes skin dry: why it happens and how to prevent it
Combining too many actives at once: layering lactic acid with strong retinoids, vitamin C, and physical scrubs in the same routine is a common recipe for stinging, redness, and dehydration.