Comparing E171 - Titanium dioxide vs E173 - Aluminium
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Found in 8,902 products
Found in 45 products
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Search volume over time
Interest over time for 2 keywords in U.S. during the last 10 years.
Interest over time for 2 keywords in U.S. during the last 10 years.
Popular questions
Is titanium dioxide safe?
As a food color (E171), the EU no longer considers it safe and banned food uses in 2022 because potential genotoxicity of nano-sized particles could not be ruled out. Regulators in the U.S., UK, and several other regions still permit it within strict limits.
Is titanium dioxide bad for you?
Typical dietary exposure shows low acute toxicity, but ongoing uncertainty about DNA damage from very small particles led the EU to ban it in foods as a precaution. Occupational inhalation of TiO2 dust—not eating it—is the scenario most closely linked to cancer risk (IARC Group 2B).
Is titanium dioxide safe in sunscreen?
Yes—titanium dioxide is widely accepted as a safe, effective mineral UV filter in sunscreens when applied to skin. The main caution is avoiding inhalation of sprays or loose powders, since respiratory exposure to fine TiO2 particles is the concern flagged by IARC.
What is titanium dioxide used for?
In foods it serves as a whitening and opacifying agent in candies, chewing gum, bakery decorations, sauces, and supplement coatings. Outside food it is used heavily in paints, plastics, paper, cosmetics, and sunscreens for its brightness and UV-scattering properties.
What does titanium dioxide do?
It scatters light to create a vivid white appearance and hides underlying colors or textures, giving foods and tablets a uniform look. In personal care products it blocks and reflects UV light, contributing to SPF protection in mineral sunscreens.
Can you put aluminum foil in an air fryer?
Usually yes—if your model’s manual allows it; place foil only in the basket, don’t block airflow holes, keep it away from the heating element, weigh it down with food, and avoid acidic foods that can react with aluminum.
How to cook bacon in the oven with aluminum foil?
Heat the oven to about 400°F (200°C), line a rimmed baking sheet with foil, lay bacon in a single layer (on a rack if you want it less greasy), bake 15–20 minutes to desired crispness, then drain and discard or save the rendered fat; the foil makes cleanup easy.
Does aluminum rust?
No—rust is iron oxide; aluminum instead forms a thin, protective aluminum oxide layer, though it can still corrode (e.g., pitting) in salty or acidic conditions.
Is aluminum magnetic?
No, aluminum isn’t magnetic in everyday use; it’s paramagnetic and won’t stick to a magnet, though strong magnetic fields can induce weak effects via eddy currents.
Is aluminum a metal?
Yes—aluminum is a lightweight, ductile metal and good conductor of heat and electricity; in foods it appears as foil and cookware, and (as E173) as a decorative surface colorant in some regions.