The Absolute Purifying Mask removes impurities and excess sebum from the skin to enable a purified complexion. It provides Witch Hazel extract that tightens the pores alongside Millenary Algae Duo that controls sebum production and the Sve Bleue des Ocans, a rich supply of Silicum, Manganese and Zinc that maintains skin hydration.To use: Apply twice a week to the face avoiding the eye contour area. Leave for 10 minutes before rinsing thoroughly.Thalgo was born from the oceans and is committed to protecting the environment and the seabed. They ensure that they harvest algae responsibly to preserve the immense reservoir of life found in our seas. They strive to minimise their ecological footprint, thanks to their eco-design policy, an Ecocert-certified production site with photovoltaic cells and their own wastewater treatment plant.