Chen X, Xiang H, Yang M. Topical cetirizine for treating androgenetic alopecia: A systematic review.
J Cosmet Dermatol 2022;
21:5519-5526. [PMID:
35976065 DOI:
10.1111/jocd.15309]
[Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/21/2022] [Accepted: 08/13/2022] [Indexed: 12/27/2022]
Abstract
BACKGROUND
Cetirizine, a widely used agent for allergic disorders, has recently been topically used for treating androgenetic alopecia (AGA). We aimed to summarize the current evidence regarding the effectiveness and safety of topical cetirizine for treating AGA.
METHODS
We searched Ovid MEDLINE, Embase, and Cochrane Central Register of Controlled Trials. We included both randomized controlled trials (RCTs) and non-randomized clinical trials.
FINDINGS
We initially identified 102 records, of which, we included two RCTs and one non-randomized clinical trial, which were of moderate-to-high risk of bias. All included trials used 1% topical cetirizine as the intervention with various regimens. Topical cetirizine was likely to be more effective than a placebo for treating AGA. In comparison with topical minoxidil, topical cetirizine appears to be less effective for improving total and vellus hair density, but it might have a longer-lasting effect. Further, cetirizine might be as effective as minoxidil in improving hair diameter.
CONCLUSION
One percent topical cetirizine may serve as a choice for treating AGA, especially for patients with a negative response to topical minoxidil. In order to fully understand the role of topical cetirizine for AGA, additional well-designed RCTs are needed.
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