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Clinical grading scores of visible dryness (A) and tactile roughness (B) with Rich Formulation, vehicle plus, and vehicle. Grading was performed by a dermatologist according to the descriptions in Table 2. A reduction in score indicates an improvement. Significance was set at P<0.05. a=significantly lower than untreated control (improvement); b=significantly lower than vehicle and vehicle plus; c=significantly lower than vehicle
