Mustela Maternité BIO, 105 ml, Pregnancy and Postpartum Stretch Marks for Women. Mustela Maternité fights stretch marks and restores the skin’s original appearance. Characteristics: reduces deep and new stretch marks, helps prevent stretch marks, improves skin elasticity, hydrates and nourishes deeply. Ingredients: no perfume. How to use: Massage a small amount of the product gently into the skin on problem parts of the body. Use in the morning and/or evening, after taking a bath or shower.