Enhanced efficacy of a facial hydrating serum in subjects with normal or self-perceived dry skin

To evaluate the efficacy and tolerance of a facial hydrating serum when added to a moisturizer regimen compared to a moisturizer regimen alone. Evaluator-blinded, single-center, clinical study with investigator assessments at Baseline and Week 2. After washing with a facial cleanser in the morning and evening, subjects either applied the hydrating serum to their face followed by application of the moisturizer or applied only a moisturizer. Thirty-two women, aged 25 to 55 years with Fitzpatrick skin types I to V and normal or self-perceived dry skin completed the study. Seventeen subjects (Group 1) aged 25 to 51 years were randomly assigned to receive the facial hydrating serum in addition to a moisturizer regimen, whereas 15 subjects (Group 2) aged 34 to 55 years, were randomized to receive the moisturizer regimen alone. Visual grading of the condition of the facial skin with regard to dryness, tactile roughness and softness, rating of irritation (subjective and objective), and digital photography. A self-assessment questionnaire was also employed to assess patient satisfaction. Clinical assessments by the investigator showed statistically significant improvements (P