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What the research says
More than a carrier. And we cite every word.
People reach for Geranium Oil for far more than one thing. Here’s what the published studies actually found — graded honestly, each one linked.
12
uses studied
16
papers cited
0
hidden from you
What the published studies found
Early evidence · 2 studies
Aging/Wrinkles
Evidence for geranium (Pelargonium graveolens) in skin aging/wrinkles is limited to in vitro work: one study showed geranium essential oil has antioxidant (DPPH/nitric oxide scavenging) activity and a modest in vitro SPF of 6.45, while another showed geranium extracts inhibited aging-related enzymes (tyrosinase, elastase, collagenase), though rosemary outperformed it. No human clinical trials, RCTs, or controlled studies on wrinkles or skin aging were identified among the retrievable results.
The only anxiety-relevant study found that geranium oil produced NO anxiolytic effect in the Geller conflict test in mice (lavender was effective, geranium was not). A second rat study showed neuroprotective/antioxidant effects of Pelargonium graveolens against pesticide toxicity, but this relates to oxidative stress and memory, not anxiety relief; no human clinical trials were identified among the provided results.
Geranium oil demonstrated in-vitro antibacterial activity against Gram-negative pathogens isolated from hard-to-heal wounds, and a geranium oil hydrogel membrane accelerated full-thickness wound closure, re-epithelialization, and collagen formation while reducing IL-6 and TNF-α in a rat model. However, no human clinical trials or RCTs were identified in the visible results, so evidence remains preclinical.
Available evidence is limited to in-vitro studies: Pelargonium graveolens (geranium) oil and its nanoemulsion showed anti-Candida activity and inhibited biofilm formation on medical device surfaces (PMID 27544324), and demonstrated in-vitro activity against honeybee fungal pathogens Aspergillus flavus and Ascosphaera apis (PMID 28326846). No human clinical trials, RCTs, or systematic reviews were identified among the provided results.
Only one narrative review (2024) discusses geranium essential oil for skin conditions, citing its antibacterial, anti-inflammatory, and antioxidant properties as potentially relevant to acne, with supporting evidence limited to in-vitro data (e.g., sebostatic activity of Pelargonium graveolens oil). No clinical trials or RCTs testing geranium oil specifically for acne were identified.
The only retrieved publication is a 2023 narrative review of plant extracts in skincare that mentions Pelargonium graveolens (geranium) solely as an aromatic/protective excipient in cosmetics—not as a moisturizing agent. No clinical trials, RCTs, or in-vitro studies specifically evaluating geranium oil for dry skin were identified.
Only one relevant study was identified: a preclinical study in Wistar rats showing that geranium essential oil encapsulated in chitosan nanoparticles significantly reduced paw swelling and downregulated inflammatory markers (IL-6, TNF-α, CRP, rheumatoid factor) in Freund's complete adjuvant-induced arthritis, with results compared against celecoxib. No human clinical trials have evaluated geranium oil for joint inflammation or arthritis.
A single-blind RCT (n=153) found that inhaled geranium essential oil significantly reduced postoperative pain intensity and improved sleep quality in laparoscopic cholecystectomy patients compared to standard care (P<0.01). However, no identified study directly examined geranium oil for muscle pain (myalgia); the available evidence addresses acute post-surgical pain, which is only indirectly relevant.
A single 2024 narrative review (PMID 38672762) mentions Geranium essential oil (GEO) as a potential natural agent for skin conditions including psoriasis, based on its documented anti-inflammatory, antibacterial, and antioxidant properties from preclinical/in-vitro work. No RCTs, controlled trials, case studies, or psoriasis-specific experimental studies of geranium oil were identified.
Only one relevant publication was identifiable: a 2024 narrative review (PMID 38672762) citing geranium essential oil's anti-inflammatory, antibacterial, and antioxidant properties as potentially useful for skin conditions including atopic dermatitis, based on preclinical/in-vitro data. No randomized controlled trials, systematic reviews, or clinical studies specifically testing geranium oil for rash or contact dermatitis were found.
A single small clinical study evaluated a multi-ingredient trichological cosmetic (Pyretrin-D) containing geranium oil alongside benzyl benzoate, Dalmatian pyrethrum, Cistus incanus, tea tree oil, mandelic acid, and arginine for seborrheic dermatitis, assessing outcomes via trichoscopy and electron microscopy. Because geranium oil was only one minor component of the blend and the study lacked randomization or controls, no effect can be attributed to geranium oil itself for scalp irritation.
A double-blind RCT of 84 ICU nurses (PMID 37400355) found that inhaled Pelargonium graveolens (geranium) essential oil significantly reduced fatigue but produced NO significant improvement in sleep quality versus placebo (P > 0.05). Although 6 PMIDs were retrieved, only this one record was provided with full data, and it does not demonstrate a sleep benefit — the available clinical evidence does not support geranium oil for insomnia.
