The effects of topical vitamin E on the cosmetic appearance of scars.

Author: Baumann LS, Spencer J

Author affiliation: University of Miami Department of Dermatology and Cutaneous Surgery, Miami, Florida, USA.

Publication date & source: 1999.04, Dermatol Surg., 25(4):311-5.

Publication type: Clinical Trial; Randomized Controlled Trial

BACKGROUND: Vitamin E is a generic term for a group of tocol and tocotrienol derivatives. Since the discovery that vitamin E is the major lipid soluble antioxidant in skin, this substance has been tried for the treatment of almost every type of skin lesion imaginable. Anecdotal reports claim that vitamin E speeds wound healing and improves the cosmetic outcome of burns and other wounds. Many lay people use vitamin E on a regular basis to improve the outcome of scars and several physicians recommend topical vitamin E after skin surgery or resurfacing. OBJECTIVE: We attempted to determine whether topically applied vitamin E has any effect on the cosmetic appearance of scars as suggested by multiple anectodal reports. METHODS: Fifteen patients who had undergone skin cancer removal surgery were enrolled in the study. All wounds were primarily closed in 2 layers. After the surgery, the patients were given two ointments each labeled A or B. A was Aquaphor, a regular emollient, and the B was Aquaphor mixed with vitamin E. The scars were randomly divided into parts A and B. Patients were asked to put the A ointment on part A and the B ointment on part B twice daily for 4 weeks. The study was double blinded. The physicians and the patients independently evaluated the scars for cosmetic appearance on Weeks 1, 4, and 12. The criteria was simply to recognize which side of the scar looked better if there was any difference. The patients' and the physicians' opinions were recorded. A third blinded investigator was shown photographs of the outcomes and their opinion was also noted. RESULTS: The results of this study show that topically applied vitamin E does not help in improving the cosmetic appearance of scars and leads to a high incidence of contact dermatitis. CONCLUSIONS: This study shows that there is no benefit to the cosmetic outcome of scars by applying vitamin E after skin surgery and that the application of topical vitamin E may actually be detrimental to the cosmetic appearance of a scar. In 90% of the cases in this study, topical vitamin E either had no effect on, or actually worsened, the cosmetic appearance of scars. Of the patients studied, 33% developed a contact dermatitis to the vitamin E. Therefore we conclude that use of topical vitamin E on surgical wounds should be discouraged.

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