Los Gatos, CA MedSpa

Our Skin Care Products


Jan Marini Skin Research, a San Jose, CA-based company founded in 1994. JMSR is a recognized leader and innovator in skin care that is committed to continually expanding and improving the professional skin care market. JMSR’s two primary focuses are to provide innovative technologies that deliver proven measurable results and an unwavering commitment to the ongoing success of our customers.


Clinically tested to address concerns for all skin types, SkinMedica products and peels -, Illuminize, Vitalize, and Rejuvenize – provide a healthy, radiant and more youthful appearance. Only available through a physician’s office, SkinMedica products are suitable for all skin types and include the award winning TNS Essential Serum which has a recovery and corrective complex that work together to transform the skin as well as a blend of antioxidants, peptides and other specialty ingredients.


Defenage is an age-defying line of skin care products that helps unearth healthier and more youthful new skin. Using the power of patented Defensin technology, the Defenage line can rejuvenate skin and improve several common skin conditions, including dull skin tone, age spots, fine lines, wrinkles, dry skin, and visible pores. Defenage does not use animal- or human-derived products in its exclusive formulas and has been tested and backed by 15 scientific studies. For more information about each Defenage product, please reach out to Sereno Santé today.