1. Foods High In Sugar
While indulging in a square of chocolate once in a while is fine, it’s when you do it too often that leads to a problem. Dermatologist Panos Vasiloudes told Yahoo News that, blood sugar spikes deliver a nutritional shock to your hair follicles and a fluctuation of hormones, causing your hair to stress and lead to it becoming thinner. Eventually, hair loss proceeds. 
2. Fried Food


High fat food is said to elevate the amount of certain hormones in your body, causing hair follicles to shrink over time.

3. Sugar Alternatives

5 Foods Nutritionists Won't Eat_Refined SugarWhile eating foods in high natural sugars might be bad for you, it’s said that eating foods with artificial sweeteners is even worst. Artificial sweeteners like aspartame can reportedly cause thinning hair.

4. Certain Food Additives

5 Preservatives To Watch Out For In Foods_Potato Chips

Some food additives have long been linked to hair loss. When eaten in moderation, these food additives are fine but when overloaded on, hair follicles could suffer allergic reactions to them.