The essential fatty acids omega 3 and omega 6 are absolutely necessary for human health. They cannot be created within the body, even when other fatty acids are present.
The essential fatty acids omega 3 and omega 6 are further broken down into two groups called long chain or short chain. For the most part, long chain fatty acids can be created within the body when short chains are present in the diet.
Hard fats are also called saturated fatty acids. These are the fats that are found in most food, including animal fats and dairy. Their name comes from the fact that the fat molecules carry the maximum amount of hydrogen molecules that they possibly can.
Fatty acids, of the essential and non-essential kind, are found in our cell membranes. This includes the membranes of the skin. Excess sugar can be a problem because our body converts excess sugar into saturated fatty acids. Saturated fatty acids can reduce the supply of oxygen to our tissues, by making blood cells which carry oxygen stick together and so impede that vital transportation system which normally carries oxygen to our cells.
However, in excess, it can interfere in essential fatty acid use. But more importantly for acne sufferers, sebum mixed with oleic acid is irritating to the skin. It lends itself to blockages of the pores that result in acne, blackheads and whiteheads