Aliexpress
Click here… to search for Xiaomi COSBEAUTY IPL Epilator on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Coupon (366.59 USD): vipupgrade8
(CouponsFromChina.com tip: you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Old coupons (from the oldest to the newest): ML15%Pro, BGSR15, 502C6B
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi COSBEAUTY IPL Epilator? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).