In itself, they are not. Good sunblock really blocks UVA and UVB rays, and stuff can really be waterproof. The terms are only misleading in products that falsely claim these properties or that exaggerate their protection level against sun or water.
A sunblock lotion must have a hydrophobic or water-resistant chemical property to be waterproof. This property enables the sunblock to repel and resist water, ensuring that it remains effective even when exposed to water or sweat.
a hippopotamus has red sweat-like liquid it secretes to act like sunblock
No, the iPhone 4 is not waterproof. However, there are cases that you can buy, like LifeProof or OtterBox, that you can use on your phone to make it waterproof.
No,not all t shirts are waterproof.
To ensure your sewing project remains waterproof, use waterproof materials like specialized fabrics and threads, and employ techniques such as seam sealing, using waterproof zippers, and applying waterproof coatings.
To make a box waterproof, you can use materials like waterproof sealant, silicone caulk, or waterproof tape to seal the seams and edges of the box. Additionally, you can use waterproof paint or coatings to protect the box from moisture.
Sunscreens are like gel and cream. They are more popular. Chemicals found in sunscreens include PABA, Benzophenones, Cinnamates, and Salicylates. Sunblock gets UV rays and the sunblock reflects them. Chemicals in sunblocks include Titanium dioxide and zinc oxide. reference http://beauty.about.com/od/summertanning/f/sunscreenblocks.htm
It's misleading because in southern Canada you have very dense cities like Toronto or Vancouver
When the sun is out it can become like a suna in some places on Mount Everest due to the reflection from the snow. It is recommened that you wear a UVA/UVB Sunblock Lotion, SPF 30 - 45.
you can try to stay out of the sun or take pills, do surgery like Michael Jackson did. other wise you cant especially it you are a dark tone, like me i stay tan all winter long,but my sisters get whiter than i do,so it varys for people.
No, filter paper is not waterproof. It is made to remove particles and impurities from water (like a sieve).
All powerband products are waterproof cause they are used for sports like surfing,snowboarding and skiing