Science
Mechanism of Action
This extract targets cellular stress pathways by inhibiting excessive Reactive Oxygen Species (ROS) production in both keratinocytes and fibroblasts, which are critical mediators of skin damage. By reducing ROS levels, it consequently decreases the secretion of pro-inflammatory cytokines such as TNF-α, IL-1α, IL-1β, IL-6, and IL-8. Furthermore, it modulates the MAPK-ERK/p38/JNK pathway, leading to a downregulation of activator protein-1 (AP-1) mRNA and a subsequent reduction in the production of matrix metalloproteinases (MMP-1, MMP-3, MMP-9), enzymes primarily responsible for collagen degradation. The extract naturally contains anti-inflammatory minerals, moisturizing amino acids, and antioxidant polyphenol derivatives.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 An ethanol extract from H. annuus seed byproduct demonstrated both preventive and reparative effects against ultraviolet radiation (UVR)-induced injury in human keratinocytes and fibroblasts. This was achieved by inhibiting excessive Reactive Oxygen Species (ROS) production, reducing the secretion of inflammatory cytokines (TNF-α, IL-1α, IL-1β, IL-6, IL-8), and downregulating matrix metalloproteinases (MMP-1, MMP-3, MMP-9).
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Helianthus annuus seed byproduct ethanol extract is typically derived through ethanol or aqueous extraction, confirming its water solubility. While the extract's specific pH stability isn't detailed, related sunflower seed flour displays pH-dependent color changes: it remains cream white between pH 2-7, but transitions to grey, yellowish grey, or light/dark brown at higher pH values (8-10.5), suggesting potential pH sensitivity for certain components within the extract.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Helianthus annuus (sunflower) seed- and flower-derived ingredients, including Helianthus Annuus Seedcake, are safe for use in cosmetics. The maximum reported concentration of use in products that may contact mucous membranes is 0.12%. While sunflower-derived ingredients may contain allergens such as 2S albumins and sesquiterpene lactones, the incidence of sensitivity in humans is low, with no reactions observed in the Panel's clinical experience. The FDA's Senior Medical Advisor advises caution for individuals sensitive to 2S albumins, though current evidence does not necessitate a heightened public concern or warning label for those with seed or tree nut allergies. Manufacturers are advised to employ current good manufacturing practices (cGMP) to minimize impurities.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This multi-functional extract offers significant protection against UVR-induced damage, effectively reduces inflammation, and preserves skin matrix integrity, making it a valuable asset for advanced skin repair and preventative formulations across all skin types.
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References
Sources