He have mild scalp psoriasis. Doctor suggested him to use scalp shampoo and topical 6 % lotion. He used livosik and even tablets for 10 days daily once. Now the flakes have reduces to a large extent but his scalp is visible at some places. He had thick and dense hair. Looks like it has thinned down and scalp is visible. Is it because of psoriasis. Doctor suggested him hair grow tabs. Will his hair comeback to normal and any suggestions or good foods? please let us know your opinion. He is a vegetarian.