Science
Mechanism of Action
This extract operates through multiple synergistic pathways. Rich in flavonoids and acetophenones, it functions as a potent antioxidant by actively neutralizing free radicals, inhibiting oxidases, and preventing the formation of reactive oxygen species, thereby protecting the skin from oxidative stress and mitigating signs of aging. Its anti-inflammatory efficacy stems from unique compounds like sesquiterpene carbides, which soothe irritation and reduce redness. Studies indicate its ability to promote skin regeneration and wound healing by stimulating cell proliferation and enhancing dermal reconstruction. Specifically, an in-vitro study demonstrated a significant upregulation of FGF-2 (1.74-fold change) and HAS-2 (3.10-fold change) gene expressions in fibroblast cells, critical for re-epithelialization, angiogenesis, and hyaluronic acid synthesis. Neryl acetate within the extract also contributes to stimulating collagen production, improving skin firmness and tone. Furthermore, its essential oil components confer antimicrobial and purifying actions against certain bacteria, and its phenol compounds and flavonoids may offer photoprotective benefits.
Research
Clinical Evidence
High confidence1-3% for general benefits; up to 5% for targeted cellular effects (in-vitro)
Key findings
- 01 Standardized extracts demonstrate antioxidant, antimicrobial, and purifying actions for both skin and hair protection, reflecting a typical usage rate in cosmetic formulations.
- 02 An in-vitro study on fibroblast cells with a hydro-alcoholic extract showed significant upregulation of FGF-2 (1.74-fold change) and HAS-2 (3.10-fold change) gene expressions, indicating anabolic effects on the extracellular matrix relevant for wound healing and anti-aging processes. It is important to note that concentrations exceeding 5% were found to be cytotoxic in this in-vitro model.
- 03 Reduced local inflammation, edema, bruising, and hematomas in post-operative scars over a 2-3 month period, suggesting potent calming and restorative properties.
- 04 Showed skin protective activity on artificially irritated human skin, with the impregnated materials causing no irritation or redness, highlighting its soothing potential in contact with skin.
Transparency
Dusting Analysis
Helichrysum Italicum Flower/Stem Extract is typically incorporated into formulations as an active ingredient at concentrations ranging from 1% to 10% (when diluted), making it unsuitable for 'dusting' at negligible percentages. Its demonstrated clinical efficacy is observed within these active ranges.
The Formula
Formulation
Stability
A standardized extract is typically prepared in a glycerin and water medium, confirming its water solubility and stability in aqueous systems. It can be seamlessly integrated into the water phase during cold-processing or added to an emulsion during the cool-down phase.
Conflicts
- Alcohol-based products (may be drying, especially if formulated with the more concentrated essential oil forms of Helichrysum italicum).
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) has not specifically evaluated 'HELICHRYSUM ITALICUM FLOWER/STEM EXTRACT'. However, the European Union and other regulatory bodies generally recognize it as a safe cosmetic ingredient when used according to manufacturer guidelines. While the FDA lists 'IMMORTELLE, EXTRACT (HELICHRYSUM ANGUSTIFOLIUM DC.)', a synonymous ingredient, as Generally Recognized As Safe (GRAS) for food flavoring, this status does not define maximum concentrations for topical cosmetic applications. It is generally considered safe for topical use, but an in-vitro study noted cytotoxicity to fibroblast cells at hydro-alcoholic extract concentrations above 5%. Individuals sensitive to plants or essential oils should exercise caution and conduct a patch test, as cases of allergic contact dermatitis to Helichrysum italicum in emollient creams have been reported. It is important to differentiate this extract from the more concentrated essential oil, which is typically advised against for pregnant/breastfeeding women, children, and individuals with heavy menstruation or anticoagulant treatment due to specific constituent concentrations.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Helichrysum Italicum Flower/Stem Extract is a highly valuable multi-functional ingredient offering significant antioxidant, anti-inflammatory, and regenerative benefits, making it an excellent candidate for advanced precision skincare formulations.
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