RESISTANCE THERAPISTE serum 30 ml RESISTANCE THÉRAPISTE serum 30 ml is a powerful serum that helps to strengthen and nourish the skin. Formulated with an exclusive blend of powerful active ingredients, this serum helps to reduce the appearance of wrinkles, improve skin texture, and protect against environmental aggressors. It also helps to increase skin firmness and elasticity, while providing hydration and nourishment. The result is a firmer, smoother, and more youthful looking complexion.