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Moumoujus

HYSSOPUS OFFICINALIS LEAF OIL.

Questionable CAS 8006-83-5 / 84603-66-7 / SKIN CONDITIONING

Hyssopus Officinalis Leaf Oil is a multifaceted botanical extract recognized for its potent antimicrobial, antioxidant, and anti-inflammatory properties. It aids in safeguarding skin from environmental aggressors, promoting an even tone, and regulating sebum, making it particularly beneficial for blemish-prone and oily skin types, while also supporting skin hydration.

Summary

Antioxidant Antimicrobial Antifungal Antiviral Astringent Sebum Regulation Soothing Skin Hydration Fragrance Exfoliation Support

Science

Mechanism of Action

This essential oil acts through multiple pathways: exhibiting antibacterial, antifungal, and antiviral properties to cleanse and purify the skin. As a powerful antioxidant, it actively neutralizes free radicals, thereby protecting skin proteins from oxidative damage. Its mild astringent nature facilitates the loosening of dead skin cells for enhanced shedding and a more refined complexion. Additionally, it possesses anti-inflammatory capabilities that soothe irritation and reduce redness, balances excess sebum, and contributes to skin hydration by retaining moisture.

Research

Clinical Evidence

Medium confidence
Effective range 0.15–1.5%
Optimal

N/A

Key findings

  1. 01 Demonstrated significant inhibitory effects against yeast species, including Candida krusei, Candida albicans, and Candida tropicalis in liquid mediums (MIC).
  2. 02 Achieved complete growth inhibition of Aspergillus niger via agar diffusion method.
  3. 03 Exhibited antimicrobial activity against Escherichia coli.
  4. 04 Demonstrated antimicrobial activity against Listeria monocytogenes.
  5. 05 Provided significant antioxidant activity through DPPH free radical-scavenging.
  6. 06 Inhibited Herpes Simplex Virus type 2, reducing plaque formation by over 90%.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

To maintain optimal stability and efficacy, formulations containing Hyssopus Officinalis Leaf Oil should be protected from extreme heat.

Conflicts

  • strong acids
  • alkalis
  • oxidizing agents

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk High

Hyssopus Officinalis Leaf Oil is a concentrated essential oil containing bioactive constituents that may induce irritation and sensitization, particularly at high concentrations or when undiluted. It is classified as an expected skin and eye irritant and carries a risk of skin sensitization, with a reported 0.99% incidence of contact dermatitis in aromatherapy patients. Cosmetic formulations must strictly adhere to rigorous dilution guidelines, safe use concentrations, and comply with regional regulatory standards (e.g., IFRA/CLP/European Cosmetic Regulation). Products should clearly specify 'for external use only,' recommend prior patch testing, and include allergy cautions. As an herbal medicine, hyssop products are not categorized under FDA or EFSA for cosmetic use.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy Medium
Comedogenicity Unknown

Our Assessment

Verdict

Questionable

While offering compelling antimicrobial and antioxidant benefits, the significant risk of irritation and sensitization necessitates extreme caution and precise formulation to avoid adverse reactions.

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