A microcurrent-compatible gel primer should contain humectants like glycerin, aloe vera, or hyaluronic acid for conductivity, be buffered to pH 5.5–6.5, and pass ISO 11930 preservative challenge testing. It should be free of heavy oils or silicones that can impede electrical transmission. Cosmetic chemists on AJ Cosmo Labs can formulate a custom version to your spec.
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