Cala Purifying Blemish Patches are clear adhesive dots infused with salicylic acid, witch hazel, and tea tree extract to help treat blemishes and prevent scarring. Each package contains 3 sheets with 10 dots per sheet, for a total of 30 patches. The patches are 12mm in size and blend invisibly on the skin. Made in South Korea, these hydrocolloid patches help reduce inflammation while protecting the affected area. The combination of salicylic acid with soothing witch hazel and tea tree extract works to purify blemishes while minimizing the risk of scarring. Being a personal care product for treating blemishes, specific usage instructions should be followed as directed.