
Determination of N-acetylglucosamine in cosmetic formulations and skin test samples by hydrophilic interaction liquid chromatography and UV detection
Keywords: EG; emulgel; NAG; N-acetyl-d-glucosamine; OLS; ordinary linear least-squares; N-Acetylglucosamine; Cosmetic formulations; Cosmetic analysis; Hydrophilic interaction liquid chromatography; Method validation;