Science
Mechanism of Action
Upon drying, this ingredient forms a fine, flexible film on skin or hair, which helps to lock in moisture and provide a smooth feel. This film contributes to product longevity and can aid in suspending and dispersing other cosmetic ingredients like UV filters.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 Formulations containing 1.75%, 4.0%, and 5.0% produced no irritation in 24-hour clinical patch tests.
- 02 No evidence of sensitization was found in a repeated insult patch test at 5.0%.
Transparency
Dusting Analysis
No data indicates this ingredient is commonly dusted.
The Formula
Formulation
Stability
This copolymer is non-ionic, pH-stable across a wide range (pH 3-8), and compatible with many common cosmetic ingredients and electrolytes.
Conflicts
- strong oxidizing agents
- strong reducing agents
Safety
Safety Profile
The CIR Expert Panel has deemed VP/VA Copolymer safe for cosmetic use, a conclusion reaffirmed in 2003. Its safety is recognized by regulatory bodies like the FDA and ECHA, showing low oral and inhalation toxicity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
VP/VA Copolymer is a valuable cosmetic ingredient, widely recognized for its safe and effective film-forming and stabilizing properties across diverse formulations.
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References
Sources