An ingredient like Tea Tree Oil having research behind it is genuinely meaningful — but it's research on the ingredient itself, not automatically a claim about the finished spray containing it.
Most "clinically referenced" claims point to published research on the individual ingredient in isolation — not a clinical trial of the actual finished product, which is a meaningfully higher bar.
Search the specific ingredient name on PubMed and read what was actually studied — topical use, concentration, and context all matter more than just seeing a citation exist somewhere on a page.
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