A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61Q SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
A61Q17/00 Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
A61Q17/04 Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations