Only in Japan: Ingenious Inventions that Defy Imagination

7. Wax for silver hair dye

What it is: silver hair dye applied to hair with hair wax Created in 2016; Average Cost: $55.80* The Japanese cosmetics brand Vividone offers this hair wax in the shade "Silver Ash." This hair wax is temporary, simple to style, and easily washes off if you're making a costume for Halloween or just want to see what you look like with silver hair.

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Wax for Dyeing Silver Hair @MrTodayDeal/TTwitter.com Even though we probably won't see the silver hair wax from Estee Lauder anytime soon, it's still adorable. There are eighty grams of silver hair wax in each container. It costs $55.80 on Amazon.com. Be cautious while opening the wax or pomade because its contents may change during import.

8. Shoe Tent

What it is: shoes made from tent material Invented: 2020 (not yet available) Cost on average: $100–200* These robust and useful tent shoes are made by Nanga, a Japanese sports goods firm that is similar to Nike but more focused on the outdoors. Two durable materials are used to make them: 60 grams of white duck down (80–20%) with a fill power rating of 650FP and Aurora-tex® fabric.

@Sailesh Kamalesh, Pinterest, and Shoes Tent Taffeta made of 40-d nylon is used to make the shoes' backs. Sixty grams, or slightly more than a tenth of a pound, is the down weight. These shoes weigh slightly more than one-third of a pound in total. They are now available in black, gray, red, blue, navy, and gray. Unfortunately, they are not yet for sale.