12. The effects of the essential oils there are to used since antiquity for to treat illness and beauty products. This oils own very beneficial properties. This each essential oils have a identity, an aroma and properties characteristic: - Essential oils the orange: It to use know sedative, antidepression and against inflammation. Recommended for depression, down self- esteem, stress… - Essential oils the eucalyptus: It to use know antiinfection, anti- allergic and antidepression. Recommended for acne, allergic, stress, headache, depression and flu. - Essential oils the lavender: It to use know sedative, antidepression and antiinfection. Recommended for stress, the digestive system illness, headache, migraine, burns, bite and acne .