UV filter ingredient

Methylene Bis-Benzotriazolyl Tetramethylbutylphenol

A hybrid broadband organic UV filter (BASF Tinosorb M) that absorbs and scatters UVA and UVB radiation, approved in the EU and Asia at a maximum concentration of 10% but not FDA-approved for the US market.

Also known as: Tinosorb M, MBBT, bisoctrizole

uv-filterbroad-spectrumuva-filteruvb-filter

Benefits

  • Broad-spectrum UVA+UVB protection (peak absorption 305 nm UVB, 360 nm UVA)
  • Photostable — does not degrade on UV exposure
  • Water-dispersible microfine particle; works well in aqueous and emulsion systems
  • Strong UVA-I contribution; helps meet EC UVA protection recommendation

Watch for

  • Not FDA-approved for use in US OTC sunscreens
  • Large particle size may leave a slight whitish cast at high concentrations
At a glance
CategoryUV filter
IrritancyLow–moderate
Beginner-friendlyYes
In your routine

Generally well-tolerated and easy to layer.

Found in 11 products
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Products with Methylene Bis-Benzotriazolyl Tetramethylbutylphenol

Birch Juice Moisturizing Sunscreen SPF50+ PA++++Sunscreen
Round Lab
Birch Juice Moisturizing Sunscreen SPF50+ PA++++
Relief Sun: Rice + Probiotics SPF50+ PA++++Sunscreen
Beauty of Joseon
Relief Sun: Rice + Probiotics SPF50+ PA++++
Madagascar Centella Hyalu-Cica Water-Fit Sun Serum SPF50+Sunscreen
SKIN1004
Madagascar Centella Hyalu-Cica Water-Fit Sun Serum SPF50+
Enjoy Super Mild Sun Essence SPF50+Sunscreen
Scinic
Enjoy Super Mild Sun Essence SPF50+
Hyaluronic Acid Watery Sun Gel SPF50+Sunscreen
Isntree
Hyaluronic Acid Watery Sun Gel SPF50+
Sunscreen
Espoir
Water Splash Sun Cream Fresh SPF50+