Kiehl's Truly Targeted Overnight Blemish Patch - Hydrocolloid

The patch is designed for overnight use and should be left on for at least 6-8 hours, or ideally, the entire night.

It is not recommended to wear makeup over the patch as it may interfere with adhesion and effectiveness. The patch is best applied to clean, bare skin overnight.

Hydrocolloid is a material that creates a moist environment conducive to healing. It absorbs exudate (like oil and gunk) from the blemish and forms a protective barrier.

This patch is specifically designed for *visible* blemishes. It may not be as effective on very deep or cystic acne compared to surface-level spots.

Product packaging typically specifies the number of patches per box. Please refer to the product's outer packaging for this information.

Yes, it can be used on popped pimples to protect the area, absorb any fluid, and aid in healing while preventing further irritation or infection.

The patch is designed to minimize the risk of post-blemish marks by preventing picking and aiding healing. It does not directly treat existing dark spots.

Ensure the skin is completely clean and dry before application. Avoid applying any lotions, serums, or oils to the blemish area prior to placing the patch.

This is uncommon. Ensure you followed the application instructions correctly. If irritation occurs, discontinue use and consult a dermatologist.

This can happen if the skin wasn't fully dry or if the patch was applied over a product. Try reapplying, ensuring a perfectly dry surface. If it continues, it may not be suitable for your skin's oil production level.