Derived from the common myrtle plant, this botanical extract serves as a potent antioxidant and skin-conditioning agent. It is scientifically recognized for its ability to stimulate “longevity proteins” like sirtuin-1, which help maintain cellular resilience and slow the visible signs of skin aging.
- INCI Name:
- Myrtus Communis Leaf Extract
- Chemical/Scientific Name:
- Myrtus Communis Leaf Extract
- Common Aliases:
- Myrtle Leaf Extract, Common Myrtle Extract
| align=”right”>Category: | Active Substances |
| align=”right”>Source Origin: | Botanical (Myrtle shrub) |
| align=”right”>Comedogenic Rating: | 0 |
| align=”right”>Primary Industries: | Cosmetics, Dermatology, Fragrance |
| align=”right”>Solubility: | Water-soluble (typically provided in Aqua and Glycerin base) |
At a Glance: Properties & Effects
| align=”right”>Anti-Aging/Renewal: | |
| align=”right”>Antioxidant Efficacy: | |
| align=”right”>Soothing/Calming: | |
| align=”right”>Irritation Risk: |
- Primary Benefits:
- Stimulates sirtuin-1 (SIRT1) expression to improve cellular longevity.
- Neutralizes free radicals via high concentrations of polyphenols and flavonoids.
- Provides mild astringent properties to refine skin texture and minimize the appearance of pores.
- Exhibits antimicrobial activity against acne-causing bacteria.
- Potential Risks:
- Possible sensitization in individuals with specific botanical allergies to the Myrtaceae family.
Biological Action & Cosmetic Profile
Sirtuin-1 stimulation represents the hallmark mechanism of this extract. By upregulating SIRT1, the ingredient assists the skin in repairing DNA damage and managing cellular stress, effectively delaying senescence in dermal fibroblasts. This biological pathway is essential for maintaining skin elasticity and structural integrity over time.
Phytochemical analysis reveals a complex profile rich in hydrolyzable tannins, myricitrin, and quercetin. These compounds provide a multi-pronged defense against environmental oxidative stress. While tannins offer an astringent effect that can temporarily tighten the skin surface, the flavonoids work deeper to inhibit matrix metalloproteinases (MMPs), which are enzymes responsible for the degradation of collagen.
Antimicrobial capabilities further expand its utility in dermatological formulations. Research indicates that certain fractions of the leaf extract inhibit the growth of Cutibacterium acnes. When integrated into clarifying products, it supports a balanced microbiome without the harshness associated with more aggressive synthetic bactericides.
Routine Integration
- Synergies:
- Anti-Aging: Pairing with Niacinamide enhances barrier function and cellular communication.
- Acne Management: Works effectively alongside Salicylic Acid or Zinc Pca to control sebum and bacteria.
- Antioxidant Boost: Complements Tocopherol (Vitamin E) to provide broader protection against lipid peroxidation.
Clinical Consensus & Safety
The Cosmetic Ingredient Review (CIR) and European CosIng database recognize Myrtus Communis Leaf Extract as safe for topical use in cosmetics. Clinical evaluations generally show a very low potential for dermal irritation or sensitization at standard usage levels (typically 1% to 5% of a standardized solution). Because it contains naturally occurring aromatic compounds like cineole, those with hypersensitive skin should perform a patch test, though it is notably less irritating than myrtle essential oil.
Is this extract suitable for oily skin?
Yes. Its natural tannin content provides a mild astringent effect that helps regulate excess sebum and refine the appearance of large pores.
Can it be used alongside Retinol?
Certainly. Its soothing properties and ability to stimulate cellular repair mechanisms make it an excellent companion to potentially irritating actives, helping to offset the dryness often associated with retinoids.
How does it differ from Myrtle Essential Oil?
The leaf extract is obtained through solvent extraction (often aqueous or hydro-glycolic) and focuses on polyphenols and tannins. The essential oil is steam-distilled and consists primarily of volatile terpenes, which carry a much higher risk of skin irritation.