This botanical extract provides intensive desiccation protection by stabilizing lipid membranes and preventing cellular structural collapse during environmental stress. It acts as a rapid-action humectant that maintains hydration levels for over 24 hours while delivering potent antioxidant shielding.
- INCI Name:
- Myrothamnus Flabellifolia Leaf Extract
- Chemical/Scientific Name:
- Myrothamnus Flabellifolia Leaf/Stem Extract
- Common Aliases:
- Resurrection Plant Extract, Water Revitalizer, Myrothamnus Extract
| Category: | Active Substances, Moisturizers, Antioxidants |
| Source Origin: | Botanical (Southern Africa) |
| Comedogenic Rating: | 0 |
| Primary Industries: | Cosmetic, Traditional Medicine |
| Solubility: | Water-soluble |
At a Glance: Properties & Effects
| Hydration/Moisture | |
| Barrier Repair | |
| Anti-Aging/Renewal | |
| Soothing/Calming | |
| Irritation Risk |
- Primary Benefits:
- Restores skin radiance and texture in chronically dehydrated or stressed complexions.
- Shields essential skin lipids from oxidative damage caused by UV and pollution.
- Inhibits the transition of cell membranes from a liquid-crystalline to a rigid gel phase.
- Increases skin elasticity and firmness over long-term application.
- Potential Risks:
- Minimal risk of localized contact dermatitis in rare cases of botanical hypersensitivity.
Biological Action & Cosmetic Profile
The extract functions through a specialized survival mechanism evolved by the “Resurrection Plant” to survive years of total desiccation. Its primary bioactive component, 3,4,5-tri-O-galloylquinic acid, is a powerful polyphenol that protects biological membranes against oxidative stress and physical dehydration. Unlike typical humectants that merely bind water, this molecule stabilizes the lipid bilayer of skin cells, ensuring they remain viable even under extreme moisture deficit.Cellular resilience is further bolstered by a high concentration of Trehalose, a disaccharide that replaces water molecules within the cellular structure. This “glassy phase” formation prevents the proteins and lipids from denaturing or collapsing when the skin is stripped of moisture. Research indicates that the extract can stimulate ATF3 (Activating Transcription Factor 3), a stress-sensing gene that triggers cellular repair and survival pathways in the epidermis.Topical application results in rapid rehydration. Clinical studies demonstrate a significant increase in skin moisture content within two hours of application, with effects persisting for 24 to 48 hours. By preserving the fluidity of the skin’s barrier, the extract effectively reduces trans-epidermal water loss (TEWL) and mitigates the appearance of fine lines caused by dehydration.
Broader Applications & Origins
Indigenous to the rocky outcrops of Southern Africa and the Namib Desert, Myrothamnus flabellifolia has been utilized for centuries in traditional African medicine for wound healing and respiratory ailments. In modern cosmetic chemistry, the leaves are harvested during the driest months to maximize the concentration of protective polyphenols. The resulting extract is frequently standardized in a base of Propanediol or Glycerin to enhance its delivery into the stratum corneum.
Routine Integration
- Synergies:
- Humectants: Combined with Glycerin or Trehalose, it creates a multi-level hydration network.
- Antioxidants: Works well alongside Ascorbic Acid to neutralize free radicals and prevent photoaging.
- Barrier Support: Pairs effectively with Amino Acids to rebuild the Natural Moisturizing Factor (NMF).
- pH Stability: Often formulated with Citric Acid to maintain an optimal acidic environment for skin barrier enzyme activity.
- Conflicts:
- No known biochemical conflicts; compatible with most active skincare ingredients including retinoids and hydroxy acids.
Clinical Consensus & Safety
Dermatological assessments categorize this extract as a non-irritant and non-sensitizing agent. It is recognized by CosIng as a safe humectant and skin-conditioning ingredient suitable for sensitive and reactive skin types. Clinical trials involving 2% concentrations show no adverse reactions over 28-day periods, even in subjects with compromised barriers. While no specific CIR monograph exists for the whole extract, its constituent parts—such as polyphenols and sugars—have extensive histories of safe use in topical applications.
Is this extract suitable for oily, acne-prone skin?
Yes. With a comedogenic rating of 0, the extract provides essential hydration without clogging pores or increasing sebum viscosity. Its ability to soothe inflammation may also assist in reducing the redness often associated with acne.
How quickly can I expect to see results?
Immediate hydration benefits are typically visible within 2 hours of the first application. For structural improvements such as increased elasticity and reduced wrinkle depth, consistent use over 14 to 28 days is required to allow for cellular turnover and barrier reinforcement.
Can it be used alongside high-strength acids?
This ingredient is an ideal companion for chemical exfoliants. Because it strengthens the skin’s stress-response mechanisms and prevents desiccation, it helps mitigate the potential dryness or irritation caused by glycolic or salicylic acids.