Xenobiotic (from the Greek xenos meaning foreign, and bios meaning life) refers to any compound that is foreign to a biological system -- not normally present in or produced by living organisms, and not recognized by the biological processes that metabolize naturally occurring compounds.
Most conventional skincare is, in significant part, a xenobiotic delivery system.
Xenobiotics in Your Skincare
Synthetic preservatives: Phenoxyethanol, methylisothiazolinone, parabens -- none of these compounds occur in nature. The skin has no metabolic pathway designed to handle them. They are processed as foreign compounds.
Petrochemical emulsifiers: Polysorbates and PEG compounds are derived from petroleum chemistry via ethylene oxide processing. They do not occur in biological systems. The skin encounters them as foreign.
Synthetic fragrance compounds: Phthalates, synthetic musks, and the hundreds of individual compounds that make up a single 'fragrance' ingredient are largely xenobiotic -- not found in biological systems, not recognized by skin metabolism.
Industrial solvent residues: Seed oils extracted with hexane retain trace amounts of this petroleum solvent. Hexane is a xenobiotic compound with neurotoxic properties at sufficient exposure.
Why Tallow Contains None
Wagyu tallow is rendered animal fat. Its compounds -- saturated and monounsaturated fatty acids, CLA, fat-soluble vitamins -- are all present in human biology. They are not foreign to biological systems. They are processed and utilized through pathways that evolved to handle exactly these compounds. The Opulent Facial Elixir's three ingredients -- wagyu tallow, organic olive oil, lavender essential oil -- are all biologically recognized compounds. No xenobiotics.
The Opulent Facial Elixir contains no xenobiotics -- only biologically recognized compounds that skin knows how to use.
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