Kopcotrizinol (Diethylhexyl Butamido Triazone) is the most effective UVB filter with an exceptionally high absorptivity. Small concentration is sufficient for high SPF value. It protects in the UVB and UVA II range (but not in UVA I) with a peak protectio...view more
Kopcotrizinol (Diethylhexyl Butamido Triazone) is the most effective UVB filter with an exceptionally high absorptivity. Small concentration is sufficient for high SPF value. It protects in the UVB and UVA II range (but not in UVA I) with a peak protection at 310 nm. It is particularly suitable for water-repellent and water-resistant formulations. view less
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