| http://www.w3.org/ns/prov#value | - The perfume composition may contain other known insect repellents, preferably of previously known insect repellent perfume ingredients, preferably at a concentration of at least 10%, more preferably at least 30%, and particularly at least 50% by weight.Compositions containing more than one of the aforementioned insect repellent perfume ingredients preferably contain at least one such perfume ingre
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