Collagen post-treatment mask that helps to regenerate, it is also lightening and anti-oxidant. Professional quality pre-cut mask composed of a 100% natural biocellulose membrane and a powerful cocktail of anti-aging ingredients, it can be used once or twice a week depending on the needs of the skin. Voluminous and firming, this second skin mask allows optimal penetration of the active ingredients. It smoothes the features and hydrates the facial skin for an instant boost of radiance, ideal for expressing beauty.