The Evaluation of the Efficacy of Derivatives of Vitamin K

摘要: Objectives: The aim of the study was to evaluate safety and effectiveness cosmetic products containing two derivatives vitamin K on skin with vascular problems. Materials methods: conducted in groups, 24 people, other included 22 participants, mean age 50. participants applied creams twice a day for period 4 weeks. Creams were right half face-concentration 0.5% 0.1%-on left. completed questionnaire measurement performed using standardized equipment Multi Probe Adapter (MPA) Courage-Khazaka VISIA Canfield. Results: Application MQ Epoxy at concentration 0.1% had effect reducing redness comparable level. All formulations did not contribute decrease melanin hydration increased after application (0.1% 0.5%) adequately 14% 13% about 60% participants. elasticity significantly improved all groups. Conclusion: Derivatives such as used give results skin. improvement erythema more significant (MQ MQ).