Chinanorm

This 4-week study tested a test serum, used alone or with hyaluronic acid injections, in 90 healthy Chinese women aged 25-40. The goal was to see if the serum improves skin hydration, elasticity, and reduces redness. Researchers measured skin changes with special devices and ques…

This study tested a special candy containing tea theanine, casein hydrolysate, and saffron extract in 171 Chinese adults aged 20-55 with mild sleep problems. Participants took the candy or a placebo for 28 days, and researchers measured changes in sleep quality, stress, mood, and…

This study tested whether a facial serum can quickly soothe and repair skin redness. Thirty healthy Chinese women had redness induced on their faces and forearms, then received the serum on one side. The goal was to see if the serum reduces redness instantly and for up to 24 hour…

This study tested two facial serums on 120 healthy Chinese women aged 18 to 45 to see if they could reduce wrinkles and improve skin radiance and texture over 12 weeks. Participants applied the serum twice daily and were evaluated by dermatologists and through self-assessments. T…

This study looked at 100 women at different stages of menopause to see how skin aging in sun-exposed and non-exposed areas relates to hot flashes, mood, and sleep. Researchers measured skin wrinkles, color, elasticity, and moisture, and tracked sleep and symptoms at home for 30 d…

This study tested two methods—applying a strong acid or repeatedly sticking and removing tape—to cause skin redness in 44 healthy women. Researchers measured how red the skin got and how long the redness lasted. The goal was to find a reliable way to create redness for future ski…