Applying olive oil does not increase the length of facial hair or eliminate acne scars. However, if you take regular skin care, clean skin will come from inside and fill the hole. You eat foods rich in vitamins C , E and A. Especially carrots , oranges , amaloki skin and teeth get better quickly. But yes , if you have active inflammation of your skin (e.g. , persistent acne , pus , itching, etc.) and the spots are very old , consult a dermatologist instead of just relying on olive oil.