Science
Mechanism of Action
Cottonseed Acid functions by providing a blend of beneficial fatty acids—primarily linoleic, palmitic, and oleic acids—along with antioxidant vitamin E. Linoleic acid is crucial for maintaining the integrity and resilience of the skin barrier, potentially assisting in sebum regulation. Palmitic acid contributes occlusive properties, effectively sealing moisture into the skin. Vitamin E offers antioxidant protection against free radical damage, premature aging, and environmental stressors, while also possessing anti-inflammatory qualities that can mitigate redness. Furthermore, this ingredient acts as a surfactant and cleansing agent.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
Cottonseed Acid possesses distinct mechanisms of action related to skin barrier support, hydration, and cleansing, making it a functional ingredient rather than one typically associated with 'dusting'.
The Formula
Formulation
Stability
Cottonseed Acid is a light yellow solid with a mild fatty odor. It is generally stable but combustible and sensitive to heat and light. Refining processes, including deodorization and hydrogenation, are crucial for removing undesirable cyclopropene acids and gossypol from crude cottonseed oil, significantly improving oxidative stability and extending shelf life. Its low iodine value further contributes to stability. The ingredient is frequently co-formulated with other fatty acids, such as Palm, Coconut, Stearic, or Oleic Acids, to enhance emulsion stability and product performance.
Synergies
- Other fatty acids (e.g., Palm, Coconut, Stearic, Oleic Acids) for emulsion stability and performance
- Antioxidants with Vitamin E for enhanced protection
Conflicts
- strong oxidizing agents
- heat
- light
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deems Cottonseed Acid safe for use in cosmetics, provided specific impurity limits are adhered to. These include gossypol at less than 450 ppm, heavy metals (lead ≤0.1 ppm, arsenic ≤3 ppm, mercury ≤1 ppm), and total PCB/pesticide concentrations not exceeding 3 ppm total (with no single residue over 1 ppm). Properly refined and hydrogenated forms are considered to have low irritancy potential. The FDA recognizes cottonseed oil and its polyglyceryl esters as generally safe for food use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Cottonseed Acid offers valuable benefits for barrier support, hydration, and antioxidant protection when refined and formulated within specified safety limits, but its association with a moderate comedogenicity rating for its source oil may limit its suitability for acne-prone skin.
Related
Similar Ingredients
Finding similar ingredients…