🔬 How It Actually Works
A synthetic hydrocarbon polymer. It creates a highly tenacious, completely water-resistant film on the skin, making it an essential ingredient for sports sunscreens and long-wear makeup.
💖 Why Your Skin Loves It
Ensures products do not sweat off, locks in moisture, and thickens formulas.
💡 Pro Tip
Can feel slightly tacky until it sets completely.
🧪 The Mixology Guide
Skincare is chemistry. Here is how Polyisobutene interacts with other active ingredients on your shelf.
✅ Best Friends (Synergy)
No documented synergies yet.
⚠️ Arch Enemies (Conflict)
Plays well with most ingredients.