City of SLO’s Lab Produces Hand Sanitizer for Utility Workers

Members in the News

Left to right: Matthew Anderson, Tanner Duncan, Joe O’Donnell, Richard Novick, Christina Claxton, City of San Luis Obispo.

City of San Luis Obispo
Matt Anderson, Lab Manager


  • 2/3 isopropyl alcohol (99.9%)
  • 1/3 aloe vera juice (100%)
  • Gives us an alcohol concentration of 67%.

For a 1-liter batch the formula is:

  • 667mL isopropyl alcohol
  • 333mL aloe vera juice

Notes: this is a liquid sanitizer, not a gel. We also made batches with essential oils such as lemongrass and lavender. The most popular sanitizer is the unscented, plain version.