I was involved in the esthetic business, but I am selling these at a clearance price because I am discontinuing the products. These are genuine, brand-new items. I am unable to answer questions about how to use the products or provide detailed information, so please do your own research. •••••••••••••••••••••••••• Purchase directly without commenting! A set of 2 is also available for ¥13,555 ◎ Retail Price: 80g ¥7,480 (tax included) •••••••••••••••••••••••••• Popular CO2 booster! Carbonic acid pack! Contains "ACTH37" lactic acid bacteria fermented liquid, a patented ingredient of Hermosa. It enhances the skin's barrier function and leads to the strong reconstruction of the skin's foundation. It contains many ingredients that are expected to soothe recurring skin problems, such as immune-modulating, anti-inflammatory, anti-allergic, and skin barrier-enhancing effects.