Isopropyl Titanium Triisostearate
Reviewed by Kate · Last updated 14 Aug 2026
Used as a surface treatment for cosmetic pigments
EWG Safety Score
What Is Isopropyl Titanium Triisostearate?
Isopropyl titanium triisostearate is a synthetic ingredient used as a surface treatment for cosmetic pigments in products such as mascara because of its ability to help form a uniform coating which suspends and helps disperse pigments.\n\nIsopropyl titanium triisostearate is also used to coat titanium dioxide nanoparticles to keep them evenly suspended and stable in sunscreen formulations. This results in the improvement of sunscreen’s ability to protect skin from UV light.
Clinical Evidence & References
Published Research
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Photodermatology, Photoimmunology & Photomedicine, July 2018, pages 241-248 [URL Not Found] Photodermatology, 2018
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International Journal of Pharmaceutics, June 2014, pages 89-96 [URL Not Found] International Journal of Pharmaceutics, 2014
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Principles and Practice of Photoprotection, edited by Steven Q. Wang, Henry W. Lim, page 297 [URL Not Found] Principles and Practice of Photoprotection
From the Clinic
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Hydroxyphenyl Propamidobenzoic Acid
Synthetic skin-soothing ingredient noted for its ability to calm aggravated skin
Hydroxypropyl Methylcellulose
Modified cellulose polymer | Film-forming and binding agent
Iron Hydroxide
A stabilising mineral used primarily in colour cosmetics and formulation support
Isopropyl Titanium Triisostearate/Triethoxycaprylylsilane Crosspolymer
Synthetic, silicone-enhanced polymer | Formed by combining isopropyl titanium triisostearate and triethoxycaprylylsilane
Lauroyl Lysine
Functions as a skin-softening and hair-conditioning agent, imparting a silky feel
Lauryl Lactyl Lactate
A multifunctional conditioning agent that stabilises formulations and supports skin hydration
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