🎯 At a Glance
🔬 How It Actually Works
A polymer of hydroxystearic acid. It is the absolute gold standard for coating and dispersing Titanium Dioxide and Zinc Oxide, drastically reducing their white cast and chalky texture.
💖 Why your skin loves it
Makes mineral sunscreens transparent, spreadable, and highly effective.
💡 Pro Tip
If a mineral sunscreen blends in easily, this is likely why.
⚖️ Myth vs. Fact
The Myth
It acts as an exfoliating acid.
The Science
It is a fatty acid polymer, acting purely as a dispersant and emollient, not an exfoliant.
