fragrancesensitivityscalpdrynesssensitivescalpshampooingredientsSkinBarrierskincareconcernssodiumc14-16olefinsulfonatesulfatefreeshampoo 29 Jul 2026 Shampoo and Dry Skin: Could Cleansers Be Contributing to a Weakened Skin Barrier? People who previously had oily skin sometimes notice an unexpected shift toward dryness and incr…