There are some major factors that influence your hair—genetics, age, hormones, nutrient deficiencies, and more—but what you eat is one of the. 15 Foods to Eat for Glowing Skin and Healthy Hair. Turns out Did you know that red peppers contain far more skin-boosting vitamin C than oranges? 'Vitamin. The most important component for strong healthy hair is protein. Hair is majorly made up of protein so consuming an adequate amount of.