Environmental

Lavender oil (topical use)

Environmental factor.

In practice

It depends on the case; there is no single guideline.

Precautions

Preclinical (rats); caution as a possible hormonally active agent.

Effect by goal · level of evidence

Estrogenic activity (endocrine disruption)

association Low study (A)

Trial in immature rats: the estrogenic potential of lavender oil applied to the skin was evaluated (a classic model of endocrine disruption). A preclinical study that feeds the debate over whether lavender has a weak hormonal effect (it has been linked to cases of gynecomastia).

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In depth

Environmental · Highest evidence: Low · 1 finding

⚠️ Preclinical (rats); caution as a possible hormonally active agent.

Findings

Estrogenic activity (endocrine disruption) — association (Low, study). Trial in immature rats: the estrogenic potential of lavender oil applied to the skin was evaluated (a classic model of endocrine disruption). A preclinical study that feeds the debate over whether lavender has a weak hormonal effect (it has been linked to cases of gynecomastia). 23358464

Information, not medical advice. Prescription drugs require a doctor.

Information, not medical advice. Scientific evidence reflects the quality of the studies.