Dermatologists Explain How to Reduce or Eliminate Scars

Dermatologists Explain How to Reduce or Eliminate Scars

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Scars are an inevitable result of the body’s natural wound healing process – a process often stirred into action when the skin is damaged. Scarring usually results from events like accidents and surgeries, as the result of a skin condition (e.g. acne), or from certain diseases (e.g. kidney disease).

From a health standpoint, scars are a good thing and a sign that the body’s wound repair apparatus is in working order. Appearance-wise, however, scars can leave something to be desired – namely, diminishment or removal. This is especially true if injury or illness causes scarring to visible parts of the body like the arms, face, legs, or neck.

While they cannot be entirely made invisible, there are certain things we can do to reduce the visible effects. In this article, we’re going to provide some education about scars, including how and why they form, types, and how to reduce or (mostly!) eliminate them. Let’s get going!

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How do scars form?

Physiologically, scars form when the dermis – a deep and thick layer of the skin – is damaged. When this happens, our body automatically forms new collagen fibers around the damaged area. At the conclusion of the repair process, a scar forms.

Collagen is the most abundant protein in our bodies. Besides providing the raw material for patching up scars, collagen is also a vital component to connective tissues making the ligaments, muscles, skin, tendons, and other body parts. It’s unsurprising, then, that collagen is mentioned a couple of times when talking about ways to reduce the visibility of scars.

Newly-formed scar tissue, which forms when the wound heals entirely, has a different texture and quality from the adjacent tissue. Certain kinds of scars, however, can take on a strikingly dissimilar appearance from normal, neighboring skin. Let’s go over the different kinds of scars now.

Types of scars

There are various kinds of scars – each of which are sorted into classes based on color, pattern, presentation (visual appearance), and texture. General types include hypertrophic scar, keloid scar, normal scar, suture scars, and widespread scar.

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Hypertrophic scars:

These scars resemble keloid scars in appearance but do not go beyond the boundaries of the injury. Hypertrophic scars result from excessive deposits of collagen that results in the formation of elevated replacement skin tissue. Hypertrophic scars often result from events like body piercing, burns, cuts, and pimples.

Normal scar:

A normal scar is one that results from the healing process following typical injury (i.e. no surgery, disease, etc.) It appears soft and thin, and its skin pigmentation is close to that of surrounding tissue. These “mature” over a few weeks to a month before undergoing the final repair process. As maturation continues, the color, size, and thickness of the mark are reduced.

Keloid scars:

Keloid scars are the result of an overactive healing process. These are often irregularly-shaped, elevated, and darker in appearance than the surrounding skin. Texturally, they may be rough and jagged. They often form beyond the boundary of the initial injury (e.g. the outline left by a blade following penetration of the skin.)

Suture scars:

As the name implies, suture scars are the result of suturing required in some surgical procedures. Sutures are simply rows of stitches that are the edges of a wound together.

Widespread scars:

Widespread scars are characteristically flat, pale, and wide in appearance. Texturally, they are very soft. Widespread scars do not elevate, and the tissue appears different than the surrounding, non-affected tissue. A widespread scar commonly forms following the deep penetration of a sharp object into the skin.

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(Quick story: this writer’s brother once shoved him onto a garbage bag with a jagged piece of glass in it. The result? A widespread scar on the outside of the thigh.)

Reducing or (Mostly) Eliminating Scars

Yes, there are legitimate ways to reduce or (mostly) eliminate scars. The methods mentioned here range from super simplistic to marvels of surgical technology and innovation. Here they are:

Take Niacin

Method: Oral niacinamide

Description: A form of the vitamin niacin (B3) that serves as a staple recommendation from dermatologists for treating various skin problems.

How it Works: Oral niacinamide possesses potent antibacterial, immunomodulatory, and anti-inflammatory qualities – and all three of which are essential for skin health and healing.

Dermatologists state that oral B3 is helpful for treating the red scars that result from acne lesions. Oral B3 may also help to counteract the hyperpigmentation of the skin that some scars produce, facilitate the production of collagen, and texturize the rougher skin patches that sometimes result from scarring.

Research: Scientists theorize that niacin is effective for treating skin problems due to its co-factoring effect with two important biochemicals (NAD+/NADH and NADP+).  Both chemicals are crucial to the repair of skin cells when the skin becomes damaged.

In a 35-subject animal study published in the journal Trauma Monthly, scientists found that oral B3 is effective in not only healing wounds but also for accelerating tissue regeneration – a critical element of proper scar healing and size reduction.

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Look for Retinol (or better yet, Retinoid)

Method: Topical application (i.e. applied directly to the skin).

Description: Topical supplements and medicines that serve mainly to counteract the effects of aging. They have recently shown effective for some people in the healing of tissue.

Both the similarities and differences between retinol and retinoid are significant. Retinoids, plural, as a group of compounds, come from vitamin A. They have been shown in scientific studies to reduce the appearance of signs of aging – fine lines, wrinkles, and pigmentation. Retinol is just one type of retinoid that is available over the counter. It is a less potent version of the class of substance from which it gets its name.

How it works: Retinoids work by altering the composition of skin cells and accelerating cell death, therefore serving as a catalyst for new cell growth. Secondarily, retinoids also form a “barrier” around collagen cells, preventing the quick breakdown of the glycoprotein and thickening the deeper layer of skin (dermis) where the wrinkles first begin to form.

Research: Retinoids are a favorite of dermatologists because of the vast litany of scientific publications exposing their benefits. Recently, dermatologists and other scientists have begun to uncover the potential role of these drugs in the treatment of scar tissue.

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Per a study undertaken by Johns Hopkins University and published in the Journal of the American Academy of Dermatology, the application of topical adapalene demonstrated a beneficial effect in the treatment of acne scar tissue.

In another study, twice daily application of topical retinoic acid over a period of three months decreased the size and symptoms both hypertrophic and keloid scars by 77-79%. Other studies have discovered similar success in applying retinoid treatments to various scar tissues.

Laser Resurfacing

Method: Laser-guided skin treatment options.

Description: There are many types of lasers and laser procedures advertised in the skin care market. Each type caters to different skin problems. Regarding the reduction or elimination of acne scarring, the preferred laser treatment appears to involve the use of the fractional carbon dioxide – or “fractional CO2” – laser.

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