There may be many different reasons by which a scar can appear, it can be due to acne, pimple, zit , wounds etc. Scars can be quite stubborn and cannot be completely treated but some natural home remedies do lighten them. Facial serum is a concentrated solution of potent ingredients and can be used to lighten scars. This overnight Serum will help get rid of scars and darks spots naturally. Thank me later.