(1) Usage test on 31 volunteers aged 18 to 35 with sensitive and mixed to oily skin, presenting imperfections, acne scars or dyschromias and allergic skin to chemical filters, for 28 days.
(2) Sebumetric measure on 10 volunteers aged 20 to 49, with sensitive, normal/ combination to oily skin, showing blemishes / dyschromia , for 28 days.
(3) Transepidermal waterloss measurement on 12 volunteers aged 20 to 55.
(4) Clinical study on 10 patients, phototypes II and III, under sun exposure. Evaluation of several biomarkers to assess the complementarity of filters and a patented biological protection on the antioxidant and immunosuppression protection. Poland, 2021.