Specially formulated for expectant mothers, mustela 9 months stretch marks double action helps prevent and reduce stretch marks thanks to its innovative combination of naturally-derived active ingredients: a patented anti-stretch marks formula activates the production of fibers that strengthen the skin. the skin becomes more supple, elastic, and resistant to the causes of stretch marks. a restructuring complex based on sophora japonica and oligo-elements promotes cell renewal and the regeneration of the skin. avocado peptides and hydrating shea butter provide the skin with immediate relief and lasting nourishment.apply morning and night to belly, breasts, hips and thighs, massaging until fully absorbed.if you gave birth by caesarian section, wait a few weeks before applying to the scar zone.when to use as a preventive treatment, use stretch marks double action from the beginning of pregnancy until 1 month after giving birth.