A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
8/00 Cosmetics or similar toiletry preparations
A61K8/18 characterised by the composition
A61K8/96 containing materials, or derivatives thereof of undetermined constitution
A61K8/99 from microorganisms other than algae or fungi, e.g. protozoa or bacteria