We offer 100% satisfaction guarantee to customers. If you are not satisfied with our acne pimple patch, we will give you a new box of product or the full refund. Hydrocolloid Suitable for all kinds of skin. Hydrophilicity is not easy to cause dry skin. It can be used during the day and night or without makeup. Invisibility upgrade: Light and breathable. The periphery becomes thinner and fits the skin naturally. The middle is thick to ensure the effect. Effect upgrade: New formula, the effect is better, after several times of use, you can see obvious results. Upgrade capacity pack: 44 Patches ,size upgrade to 60mmx 30mm, suitable for large-area such as back, neck, chest, buttocks, chin, etc.