What should be done to cosmetic pencils after they are used on a patron?

When cosmetic pencils are used on a patron, sharpened pencils are considered a best practice in maintaining hygiene and preventing cross-contamination. Sharpening a cosmetic pencil removes the outer layer of the product, which may have come into contact with the patron’s skin, oils, or bacteria. This process ensures that the pencil tip is clean and ready for the next use, minimizing any risk of transferring potentially harmful pathogens.

It's also important to note that while some may argue that sanitizing or other actions could be options, they do not provide the same level of cleanliness as sharpening does, since sharpening effectively renews the product. Storing used pencils without proper treatment might leave them contaminated, and discarding them isn't economical or necessary if they can be properly maintained. Therefore, sharpening is the essential step to ensure safety and hygiene in cosmetic application practices.