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2. Retrobright - Wikipedia

   en.wikipedia.org/wiki/Retrobright

   Retrobright (stylized as retr0bright or Retrobrite [1]) is a hydrogen peroxide-based process for removing yellowing from ABS plastics. Yellowing in ABS plastic occurs when it is exposed to UV light or excessive heat, which causes photo-oxidation of polymers that breaks polymer chains and causes the plastic to yellow and become brittle.

3. Piranha solution - Wikipedia

   en.wikipedia.org/wiki/Piranha_solution

   A typical mixture is 3 parts of concentrated sulfuric acid and 1 part of 30 wt. % hydrogen peroxide solution; [1] other protocols may use a 4:1 or even 7:1 mixture. A closely related mixture, sometimes called "base piranha", is a 5:1:1 mixture of water, ammonia solution (NH 4 OH, or NH 3 (aq)), and 30% hydrogen peroxide.

4. Teeth whitening: What is it, how to do it safely and how to ...

   www.aol.com/lifestyle/teeth-whitening-100042380.html

   Rhonda Kalasho, DDS, explains that these trays typically use low concentrations of peroxide-based gels, such as 15% hydrogen peroxide or 35% carbamide peroxide. You usually wear a whitening tray ...

5. Hydrogen peroxide contact solutions - Wikipedia

   en.wikipedia.org/wiki/Hydrogen_peroxide_contact...

   Lenses soaking in a hydrogen peroxide-based solution. The case is part of a one-step system and includes a catalytic disc to neutralise the peroxide over time. Hydrogen peroxide contact solutions are storage solutions for contact lenses that rely on hydrogen peroxide to clean the contacts and break up proteins and deposits during the ...

6. Here's Why Your Toenails Might Be White—and What to Do About It

   www.aol.com/heres-why-toenails-might-white...

   A 2021 study showed that, in severe cases, white toenails were a flag of the deterioration of elderly patients' health. So, again, see a doc if you're concerned about yourself or a loved one.

7. Teeth whitening: What is it, how to do it safely and how to ...

   www.aol.com/lifestyle/teeth-whitening-safely...

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8. There's a Weird, Genius Reason You Should Use ... - AOL

   www.aol.com/lifestyle/theres-weird-genius-reason...

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9. Onychomycosis - Wikipedia

   en.wikipedia.org/wiki/Onychomycosis

   As the infection progresses the nail can become brittle, with pieces breaking off or coming away from the toe or finger completely. If left untreated, the skin underneath and around the nail can become inflamed and painful. There may also be white or yellow patches on the nailbed or scaly skin next to the nail, [7] and a foul smell. [8]