Ageless celebrity beauties can thank Jan for their youthful good looks. Jan Marini Skin Research (JMSR) is a personal care products maker that specializes in skin care items, such as C-ESTA anti-aging cream, Marini Lash eyelash conditioner, and Bioglycolic lightening gel for skin discolorations, among others. JMSR makes products to tackle common skin care woes, such as acne and rosacea, and also produces a line of clinical resurfacing products only available to doctors. Its products are sold through beauty salons and spas in the US and more than 80 countries, directly to physicians and skin care professionals, and via its e-commerce site. President and CEO Jan Marini founded her namesake company in 1994.