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Technical scalp measurements for total sebum lipids (normalized CH-stretch PA) (a), oxidized lipids (HODE-9) (b), flaking score (ASFS) (c), and odor intensity at 7-day refrain (yellow bar) and daily wash (blue bar) (d). For each measurement, lower value indicates healthier scalp. ASFS, Adherent Scalp Flaking Score.
