Science
Mechanism of Action
This ingredient operates by significantly reducing the surface tension between distinct liquid phases within a cosmetic product. This action is crucial for enabling the uniform dispersion of ingredients, thereby ensuring the stable formation of emulsions and maintaining the consistent texture and integrity of skincare formulations upon application.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
As a surfactant and emulsifying agent, Dinonoxynol-4 Phosphate plays a functional role in formulation stability rather than delivering direct active benefits to the skin, making the concept of 'dusting' for efficacy less applicable in its context.
The Formula
Formulation
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel assessed Nonoxynols (including Nonoxynol-4, from which Dinonoxynol-4 Phosphate is derived). They concluded these are safe for use in rinse-off cosmetic products and safe for leave-on products at concentrations up to 5%. This 5% limit for leave-on formulations is established based on human skin irritation and sensitization data, indicating a potential for adverse reactions if this threshold is exceeded.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An essential formulation aid, this ingredient functions as a surfactant and emulsifying agent, crucial for product stability within precise concentration limits.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources