My skin was incredibly dry and sensitive until I went Primal. Now I barely need moisturizer!
I attribute it to cutting out wheat, plus increasing my fat intake. Anything wheat laden has a practically instantaneous effect on how dried out my skin feels. Similarly the type of fat I eat also has a huge effect - eating coconut oil is an internal moisturiser
"I think the basic anti-aging diet is also the best diet for prevention and treatment of diabetes, scleroderma, and the various "connective tissue diseases." This would emphasize high protein, low unsaturated fats, low iron, and high antioxidant consumption, with a moderate or low starch consumption.
In practice, this means that a major part of the diet should be milk, cheese, eggs, shellfish, fruits and coconut oil, with vitamin E and salt as the safest supplements."
- Ray Peat