TEGO® FILMSTAR BST1 is an innovative bio-based, biodegradable film former that boosts SPF performance across diverse sun care & UV formats. Its hydrophobic structure creates a uniform protective layer, enhancing UV filter efficiency without affecting texture, sensory and formulation stability - even in lightweight sprays and fluid formulas. By enabling high SPF with fewer UV filters, this innovative biopolymer supports more sustainable, microplastic-free formulations. In addition,TEGO® FILMSTAR BST1 provides dermatological benefits for soothing and skin-barrier repair. Combining strong protection with an environmentally responsible profile, it offers brands a next-generation solution for creating high-performing, eco-conscious sun care products.
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Benefits at a glance
- SPF boost + 10~30% (formulation dependent)
- Proven in vivo results across diverse UV filters and formulation types
- Suitable for both classic sun protection and daily SPF skincare
- Excellent emulsion compatibility
- Easy incorporation (pellets)
- Broad range of formulation formats (lotions, creams, sprays, fluids, sticks)
- Low impact on sensory and better than market benchmarks
- Proved dermatological benefits such as soothing and skin-barrier repair