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Bisoctrizole (Tinosorb M)

Methylene bis-benzotriazolyl tetramethylbutylphenol – a nanoparticulate hybrid sunscreen filter (both absorbs and reflects UV)

Category/Notes

Broad-spectrum UV filter (hybrid)

Benefits

Provides very broad UV coverage by absorbing UVB as well as UVA rays, and also reflecting/scattering UV due to its microfine particle form. Highly photostable and often used in EU/AUS sunscreens to boost SPF and UVA protection (not FDA-approved in US). It helps prevent photoaging and UV-induced DNA damage without significant skin penetration

The Science Behind

Bisoctrizole (Tinosorb M)