A
HUMAN NECESSITIES
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K2800/00
Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
A61K2800/40
Chemical, physico-chemical or functional or structural properties of particular ingredients
A61K2800/42
Colour properties