Skin Darken Clinical Trial
Official title:
Improved Skin Whitening Outcomes Associated With Nicotinamide Fortified Consumption in 30 to 50-Year-old Women, a Double Blind, Control and Randomized Study
The goal of this clinical trial is to study whether the products with nicotinamide fortified could improve skin whitening in 30 to 50-year-old women. Partipants will be randomly assigned to two study groups and use products (study product plus nicotinamide supplement and placebo product without nicotinamide supplement) for 2 months, twice a day. Researchers will compare the two groups whether there are significant improvement in skin whitening via skin measurement and analysis systems.
This study is two arms, randomized, double-blind controlled trial. 70 eligible partipants at two study sites will be enrolled and use randomly assigned products (study product plus nicotinamide supplement and placebo product) for 2 months. Participants will visit the study site for three times on baseline day, day 30, and day 60, all relevant data will be captured, measured via professional skin equipment system and recorded in the data management system. At the end of study, the explantory and statisitcal analysis will be conducted to validate the assumption that the using products with nicotinamide fortified could improve skin whitening in 30 to 50-year-old women. ;