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Moumoujus

LOBELIA INFLATA EXTRACT.

Questionable CAS 84696-23-1 / SKIN CONDITIONING

Lobelia inflata Extract, derived from the annual herb, is recognized for its potential anti-inflammatory, antioxidant, and wound-healing properties due to a rich composition of alkaloids, flavonoids, and other compounds. While preclinical studies suggest benefits for skin regeneration, comprehensive human topical safety data remains limited, warranting cautious consideration for its inclusion in precision skincare formulations.

Summary

Skin Conditioning Anti-inflammatory Antioxidant Wound Healing

Science

Mechanism of Action

The efficacy of Lobelia inflata Extract stems from active constituents including alkaloids, primarily lobeline, alongside flavonoids, terpenes, alkynes, and coumarins. On the skin, it exerts anti-inflammatory effects by modulating pro-inflammatory cytokines such as TNF-α and IL-6, concurrently acting as an antioxidant by neutralizing free radicals. Its role in wound healing involves promoting accelerated wound contraction, enhancing tissue tensile strength, and facilitating critical processes like collagen deposition, angiogenesis, and re-epithelialization. Furthermore, its antispasmodic properties may contribute to improved local microcirculation.

Research

Clinical Evidence

Low confidence
Effective range 5–10%
Optimal

10%

Key findings

  1. 01 In Wistar rats, a 5% concentration significantly enhanced wound healing by promoting contraction, increasing tensile strength, and improving collagen deposition, angiogenesis, and re-epithelialization.
  2. 02 A 10% concentration demonstrated superior wound closure rates and overall healing efficacy, alongside increased tensile strength, compared to 5% and control groups in rat models.
  3. 03 An experimental model indicated the extract’s capacity to reduce melanoma growth, decrease angiogenesis, and mitigate chronic inflammation.

Transparency

Dusting Analysis

Not commonly dusted

Given the documented toxicity concerns associated with oral ingestion and insufficient reliable data regarding topical safety in humans, a precision skincare brand would exercise extreme caution, likely avoiding 'dusting' this ingredient at non-efficacious concentrations. The focus would be on meticulously validated, safe concentrations, if any are established for human topical use.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

The extract is typically prepared using ethanol as both an extraction medium and a preservative, with liquid extracts often containing 44-47% alcohol. Tincture recommendations involve 1:2 ratios in 95% alcohol for fresh plant material and 1:5 ratios in 65% alcohol for dried material, suggesting specific solvent requirements for stability and extraction.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Moderate

Lobelia is widely considered LIKELY UNSAFE for oral consumption due to a risk of severe toxic effects, including nausea, vomiting, and potentially death at doses as low as 0.6-1 gram of leaf. Crucially, there is insufficient reliable information concerning the safety and potential side effects of its topical application to human skin. While the FDA banned oral lobeline for smoking cessation due to ineffectiveness, some topical patches have been associated with reported skin irritation. Users should discontinue application if adverse reactions such as rash, severe headache, or chest tightness are observed.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Moderate
Comedogenicity Unknown

Our Assessment

Verdict

Questionable

Despite promising preclinical data demonstrating wound healing and anti-inflammatory properties, the lack of sufficient human topical safety data, coupled with documented potential for skin irritation and severe oral toxicity, renders Lobelia inflata Extract a questionable ingredient for precision skincare formulations.

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