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HallStar Introduces New Photostabilizer

Polycrylene S1 ideal for broad-spectrum sunscreens.

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By: TOM BRANNA

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The HallStar Company has launched PolycryleneS1, a new singlet-quenching photostabilizer that helps formulators meet FDA standards for broad-spectrum claims and enhances the water resistance of sun care and daily wear products, according to the company. Polycrylene S1allows formulators to combine active ingredients once considered too photo-unstable to be effective. Polycrylene S1replaces the triplet-quenching portion of Polycrylene(INCI: Polyester-8) with a singlet-state quencher. The resu...

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