Loading...
Loading...
Cystine Polysiloxane is a silicone polymer modified with cystine, typically functioning as a hair conditioning agent and film former, providing smoothness and shine.
No specific concern data available
Safety summary
Expected to be generally safe for cosmetic use, similar to other polysiloxanes. Data is limited due to its less common usage.
1% line marker
This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.