Evaluation of a Dermocosmetic Serum Containing a Multi-acid Complex and Niacinamide in Japanese Women with Mild Acne.

Abstract

Background: Acne is a common inflammatory dermatosis in all parts of the world, including Japan. While effective prescription treatments are available, patients often prefer to try to manage their acne, particularly when it is mild, using over-the-counter (OTC) approaches.

Objective: This open-label study evaluated the efficacy and safety of an OTC serum containing a multi-acid complex and niacinamide (niacinamide 2%, lactic acid 1%, hydroxyethylpiperazine ethane sulfuric acid [HEPES] 0.5%, phytic acid 0.2%, and salicylic acid 0.2%) used twice daily for eight weeks in Japanese women aged 16 to 34 years with acne.

Methods: An eight-week, split-face, open-label study of multi-acid complex and niacinamide containing dermocosmetic used twice daily in Japanese women aged 16 to 34 years was conducted. Participants had mild-to-moderate inflammatory acne (up to 20 inflammatory lesions on half the face) and assessments included number and severity of acne lesions as well as standard safety assessments.

Results: A total of 50 women enrolled, with 46 eligible for evaluation at Week 8. Significant improvements in acne severity, the number of inflammatory lesions, and skin texture as indicated by pore size were observed (P<0.05 for all). In addition, patients' quality of life significantly improved from baseline to Week 8 (P<0.01). The serum was well tolerated. Four cases of skin discomfort were reported; all were mild in severity and resolved spontaneously.

Conclusion: This multi-acid/niacinamide OTC serum effectively improved acne in Japanese women.