A keloid can be described simply as a scar that does not stop growing. Normally, as the skin is injured, fibrous tissue, known as scar tissue, grows over the wound to heal and protect the injury. In some cases, though, this scar tissue continues to grow, forming a smooth, firm growth known as a keloid. Keloids are typically much larger than the original wound and are most often found on the upper chest and shoulders; however, keloids can develop anywhere.
As keloids occur as the overgrowth of scar tissue, these growths form at the site of a prior injury. Symptoms also manifest at the injury site and include a flesh-colored area of skin that is pink to red in color, a lumpy or ridged patch of skin, a section of scar tissue that continues to grow, and itchiness at the site of the growth.
Keloids develop as the result of the overgrowth of scar tissue at the site of an injury. Most injury types can contribute to or cause keloids including acne scars, burns, chickenpox scars, ear piercings, scratches, surgical cuts, and vaccination sites. The exact cause for the development of keloid scarring is unknown.
Keloid scarring is common and typically does not require medical attention. However, keloid scars can often be uncomfortable or itchy. As such, some keloid treatment may prove beneficial.
Applied topically at least twice a day for a few weeks, DMSO can flatten the raised tissue found in a Keloid Scar and remove some discoloration.
One small study with 10 people in 1964 found that applying 80% DMSO twice a day induced scar flattening with loosening of the collagen surrounding the fibrous bundles. 1
Additional keloid treatments include the topical application of healing substances. Apple cider vinegar, tea tree oil, calendula cream, lavender, and saltwater can help diminish the symptoms and appearance of a keloid.
Keloid removal can also be completed by applying a paste of crushed acetaminophen and water to the site of the keloid for several days.
Gotu kola, gum spirit of turpentine, and honey can also offer relief and treatment of keloids.
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1 Horita, A., and L.J. Weber. Life Sci. (Oxford), 3:1389, 1964.
