Vichy Laboratoires

This study tested a shampoo containing selenium disulfide on 40 people with moderate to severe dandruff and itching. Participants used the shampoo three times a week for four weeks, then once a week for 24 weeks. Researchers measured dandruff levels and discomfort to see if the s…

This study tested whether using a special anti-dandruff shampoo plus conditioner works better than shampoo alone for people with moderate to severe dandruff. Eighty participants used the products three times a week for four weeks, then were followed for 12 more weeks. Researchers…

This study aimed to create a visual guide to skin aging by taking detailed 3D images of collagen in the skin of 250 healthy women aged 20 to 75. Using a special camera called LC-OCT, researchers measured collagen density and structure without any needles or surgery. No treatments…