Target early, deep pimples with Cardon Prickly Pimple Patch. Tiny dissolving microneedles made from hyaluronic acid deliver salicylic acid, niacinamide and Centella Asiatica (cica) directly into the blemish to help reduce inflammation and support faster repair. Sterile and fragrance-free, the single-pack patches adhere to clean, dry skin — leave on at least 4 hours or overnight. Not for broken skin or fully formed whiteheads. Contains salicylic acid; avoid if sensitive. This product is sterile, fragrance-free, and generally very well-tolerated. However, it contains Salicylic Acid. If you have a known sensitivity to salicylic acid or adhesives, please be cautious. The 2nd's Recommendation: For external use only. Do not apply to broken skin, open wounds, or on top of a fully formed whitehead (use a regular hydrocolloid patch for that).