Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (42.77 USD): 2022ACTIESNL
Coupon (43.23 USD): BG00c906
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGjuly7070, BGsales077, BGCN91348, 13f142, BG4bd9c0, BANGGOODSD, BGHealth06, BGAH254, 00c906, BGHealth10D
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for 999999 Flash IPL Permanent Laser Hair Removal Epilator.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).