It firms the skin, relaxes it and improves its elasticity, acts deeply during sleep during the night it fights against the weakening of the skin and the sagging of the facial contours it has an extraordinarily regenerating effect thanks to the active oxygen it intensely nourishes the skin and protects it from dehydration it has una rich and dense consistency Test results: As part of the efficacy study, 30 subjects participated in the test for the line OXY-TREAT Firmness (210 test subjects in total) who used the cream for 30 days.