The By Wishtrend Clear Skin Shield Patch is made with hydrocolloid to quickly heal acne. Its thin and breathable material protects the blemish from from external contaminants while sucking out the gunk. Great to be paired with the By Wishtrend Teca 1% Barrier Cream. Size: 36 patches in 2 sizes 12 mm – 24 ea 14 mm – 12 ea To use: After cleaning the affected area, apply a patch onto the blemish. Remove and replace after the patch turns white.