Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
geranium oil, Color White, deionized water, Application Infants, Core Element Lavender oil, Capacity 20ml, children, Size 11.5x 2.5mm / 0.45″x 0.1″, peppermint oil, and adults, Expiration Date 3 Year, Shell Material ABS, Weight 50g
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($7.51): BGAFF10OFF
2. ($7.51): bGhOnEy10
3. ($7.51): BGdragonBoat
coupon code has to be applied in shop’s 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): TTxBG10, BGPEN711, BGss8%hl, AFfbG10, BGOEW49, BGBFAFF2019, BGCITYADS2019, BGBGHFRI15, BGVDay10%off, BGHOMEG12, BGSS10%SW
(these coupons are old, so probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi COKIT Antipruritic Stick.
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)).