Plucking nose hairs stimulates nerve pathways that trigger tear production
the verdict
SUPPORTED
the evidence backs this
confidence 78/100
Plucking nose hairs stimulates trigeminal nerve endings in the nasal mucosa, activating a reflex arc that recruits parasympathetic pathways to trigger tear production.
Evidence for · 4
Autonomic features of craniofacial neuralgias: a systematic review with meta-analysis.
2024 · cited by 2
Demonstrates that trigeminal nerve stimulation, particularly via the nasal branch, frequently triggers lacrimation as an autonomic feature.
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More for · 3
Beyond the Ocular Surface: Nasal Sensory Input as a Driver of Reflex Lacrimation in Dogs.
2026 · cited by 0
Confirms the presence of a functional nasolacrimal reflex where nasal mucosal sensory input drives tear production.
Region-Specific Effects of Trigeminal Capsaicin Stimulation.
2019 · cited by 0
Shows that chemical stimulation of the nasal mucosa innervated by the trigeminal nerve results in a robust local parasympathetic activation and increased tearing.
Nicotinic acetylcholine receptor stimulation: A new approach for stimulating tear secretion in dry eye disease.
2022 · cited by 0
Explains that trigeminal afferents on the nasal mucosa initiate a reflex arc resulting in instantaneous tear secretion when stimulated.