DHA has been on the dermatology research record since the 1950s and approved for topical cosmetic use by the FDA since 1977. Half a century later the safety profile is well-established: topical use, on intact skin, is considered safe. The legitimate cautions are localised — inhalation during spray application, sensitivity on broken skin, and the standard pregnancy guidance to confirm with a GP.
frequently asked.
No research links topical DHA to cancer in the doses used in cosmetic self tan. DHA does not penetrate beyond the outer stratum corneum.
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