The acne and blemish serum that works. This pioneering serum harnesses 20 years of world leading science to deliver a patented live probiotic that naturally lives on and supports the skin. When applied to your skin,tthis live probiotic colonises on your skin, crowding out and inhibiting pathogenic bacteria, including blemish-causing C acnes. This serum delivers >235 million live probiotic cells per dose*, and is proven to be alive and active after 2 years. Target and reduce blemishes, balancing your complexion from the source.