Banned filters (Palau, awful #1-4):

• *Oxybenzone (aka, Uvinul M 40, benzophenone-3; banned in Hawaii)
• *Octinoxate (aka, Uvinul MC 80, ethylhexyl methoxycinnamate, octyl methoxycinnamate, banned in Hawaii)
• *Octocrylene (aka, Uvinul M 539 T)
• *Enzacamene (aka, Parsol 5000, Eusolex 6300, 4-methyl-benzylidene camphor)

Caution fillers (awful #4-8):

• *Avobenzone (aka, butyl methoxydibenzoylmethane)
• *Octisalate (aka, ethylhexyl salicylate, octyl salicylate)
• *Homosalate
• PABA (aka, Uvinul P 25, aminobenzoic acid) - not GRASE by the FDA

*Recent FDA studies show high absorption into the bloodstream, requiring further safety studies. No chemical sunscreens marketed in the US have established safety at this time.

https://www.fda.gov/media/124655/download

GRASE filters (Generally Recognized as Safe and Effective):

• Zinc oxide
• Titanium dioxide

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Alternative filters:

• Tinosorb S (aka, bemotrizinol, bis-ethylhexyloxyphenol methoxyphenyl triazine) - broad-spectrum range 280-400 nm, 310 and 345 nm peak
• Tinosorb M (aka, bisoctrizole, methylene bis-benzotriazolyl tetramethylbutylphenol) - broad-spectrum range 280-400 nm, 305 nm and 360 nm peak
• Tinosorb A2B (aka, tris-biphenyl triazene) - UVB, UVA1 (320-340 nm) bridge
• Uvinul A Plus (aka, DHHB, diethylamino hydroxybenzoyl hexyl benzoate) - UVA range 320-400 nm, 354nm peak
• Uvinul T150 (aka, ethylhexyl triazone, octyl triazone)- UVB range 280-320nm, 314nm peak
• Mexoryl SX (aka, ecamsule, terephthalylidene dicamphor sulfonic acid) - UVA, 345nm peak
• Mexoryl XL (aka, drometrizole trisiloxane) - UVB and UVA, 303nm and at 344nm peaks

Banned preservatives (Palau):

• Ethyl paraben
• Butyl paraben
• Benzyl paraben
• Methyl paraben
• Phenoxyethanol
• Triclosan