Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Tea polyphenol deodorant, Size 39mm, Color White and Orange, A deodorant shoe ball can last for about 45 days
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
1. ($18.55): BGHome15%
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): aff7off, vipupgrade8, TTxBG10, bgssaff9, AFfbG10, 502C6B, BGBGHFRI15, 0e7f33, FBCOUPON1, BGHOMEA15%
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for 6x Xiaomi Clean-n-Fresh Deodorant Shoe Balls.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).