Onion Acts Very Effectively On Scars, Helping To Regenerate Damaged Skin. This Extract Helps To Improve Collagen Production In The Areas Where It Is Applied, Significantly Improving The Appearance Of Scars. Onion Extract Is Quite Effective For All Hypertrophic And Keloid Scars (Scars Caused By Surgery Or A Wound On Which Excess Tissue Has Become Thick And Fibrous).