Chinanorm

This study tested two facial serums in 120 healthy Chinese women aged 18 to 45 to see if they could reduce wrinkles and improve skin tone over 12 weeks. Participants applied the serum daily after a 2-week break from other products. Doctors and participants rated changes in skin s…

This study tested a special serum, used alone or with a hyaluronic acid injection, to improve skin quality and reduce wrinkles. 90 healthy Chinese women aged 25-40 participated over 4 weeks. Researchers measured skin hydration, elasticity, and redness using special instruments an…

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, anxiety, …

This study tested whether a special serum (Eucerin Ultrasensitive Repair Intensive Source Serum) can quickly soothe and repair skin redness. Thirty-two healthy women had redness temporarily created on their skin using mild acid and tape. The serum was then applied, and its effect…

This study looked at how skin ages differently in sun-exposed and non-exposed areas in women at various stages of menopause. Researchers tracked 100 women's skin condition, mood, sleep, and hot flashes over 30 days. The goal was to understand how hormonal changes affect skin and …

This study tested two methods—applying a strong acid or removing skin layers with tape—to cause redness on the face and arm of 44 healthy women. Researchers measured the redness at several time points using special cameras and devices. The goal was to see which method works bette…