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Topical Retinoic Acid

A natural derivative of vitamin A, retinoic acid is often used to improve the appearance of aging skin. Some studies show that 0.05% topical retinoic acid may also be helpful in treating keloid scars for some people.8

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How Does Topical Retinoic Acid Work?

Lab research and study evidence indicate that retinoids can help regulate the production of collagen and other skin cell factors. This activity may be able help counteract the dysfunctional processes in keloid skin cells.3,8

Evidence of Benefit

In two small clinical trials, application of topical retinoid cream to keloids produced positive results in the majority of patients. Benefits included a significant decrease in scar size and improvement in symptoms (e.g., itchiness).3 However, another study also done in the 1980s indicated that retinoic acid only helped reduce the size of keloids by less than 20%.3


Safety and Precautionary Measures

Potential common adverse side effects are relatively mild when using topical retinoic acid for keloids (e.g., contact dermatitis).3 However, it is important to note that the potential side effects of the topical form of retinoic acid are very different than the systemic form.

In fact, patients taking or who have taken the oral form of retinoic acid (isotretinoin) and who are considering laser therapy for keloids may have to delay that treatment for at least six months because of increased risks of adverse side effects.26

Disclaimer: This website is not intended to replace professional consultation, diagnosis, or treatment by a licensed physician. If you require any medical related advice, contact your physician promptly. Information at Keloids.com is exclusively of a general reference nature. Do not disregard medical advice or delay treatment as a result of accessing information at this site.
A rash caused by an irritant.
Commonly known by the brand name Accutane®.