Natural insect repellent compositions

A spray-on insect repellent composition, comprising:

• (a) from about 8% to about 12% by volume of lemongrass oil;
• (b) from about 3% to about 7% by volume of lemon eucalyptus oil;
• (c) from about 1% to about 6% by volume of rose geranium oil;
• and
• (d) from about 1% to about 5% by volume of Litsea cubeba oil;
• the balance of the insect repellent composition to 100 weight % being water;
• the insect repellent composition being substantially free of alcohol;
• and wherein the insect repellent composition further comprises a weight ratio of lemongrass oil to lemon eucalyptus oil of between about 1:10 and about 10:1;
• a weight ratio of lemongrass oil to Litsea cubeba oil of between about 6:1 and about 1:1;
• a weight ratio of rose geranium oil to Litsea cubeba oil of between about 5:1 and about 1:5;
• and a weight ratio of rose geranium oil to lemon eucalyptus oil of between about 5:1 and about 1:5.

An alcohol-free composition for repelling insects, the insect repellent composition comprising an essential oil mixture, the essential oil mixture consisting essentially of:

• (a) from about 30 to about 60 weight % of lemongrass oil;
• (b) from about 15 to about 40 weight % of essential oil of lemon eucalyptus;
• (c) from about 10 to about 30 weight % of rose geranium oil;
• and
• (d) from about 2 to about 20 weight % of Litsea cubeba oil;
• the balance of the insect repellent composition to 100 weight % being water;
• wherein the insect repellent composition further comprises a weight ratio of lemongrass oil to lemon eucalyptus oil of between about 1:10 and about 10:1;
• a weight ratio of lemongrass oil to Litsea cubeba oil of between about 6:1 and about 1:1;
• and a weight ratio of rose geranium oil to Litsea cubeba oil of between about 5:1 and about 1:5.