US Patent No. 11,213,465 B2 (Daniel Chen, James Swanzy); Mary Kay Inc., Addison, TX, has patented a  method of treating human skin with acne. It entails obtaining an apparatus comprising: a water -permeable absorbent material, wherein the water-permeable absorbent material is a sponge, cloth, or mesh which has a first outer surface and a second outer surface; and a plant material, a plant extract, or a combination thereof, wherein the plant material, the plant extract, or the combination thereof is stitched, or sealed, or stitched and sealed within the water-permeable absorbent material, and wherein the water-permeable absorbent material is configured to absorb water and allow the absorbed water to contact the plant material, the plant extract, or the combination thereof so as to release, solubilize, or release and solubilize a water-soluble skin-active ingredient from the plant material, from the plant extract, or from the combination thereof and allow the water-soluble skin-active ingredient to be absorbed by the absorbent material. The apparatus is placed in water heated to 30°C- 100°C. for a sufficient period of time so as to release, solubilize, or release and solubilize the water-soluble skin-active ingredient from the plant material, from the plant extract, or from the combination thereof, and for a sufficient period of time to allow said water-soluble skin-active ingredient to be absorbed by the water-permeable absorbent material to yield a treated apparatus. It is then applied to human skin with acne as a treatment.