Getting sufficient essential fatty acids is importance in clearing acne. It's these fatty acids that help control the production of androgens - the hormones that surge during the teen-age times, which causes excess sebum oil to clog your hair follicle and contribute to creating your acne.
The three fatty acids you need daily are omega-3, omega-6, and omega-9. You need more omega 6, olive oil, than omega 3.
When you are deficient in the essential fatty acids, you will have,
§ A weaken immune system
§ Inflammatory disorders