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 (39.99 USD): BGab7d1a
Coupon (43.34 USD): BG75597c
Coupon (46.40 USD): Cuponation9
Coupon (46.91 USD): BG8ReviTrage
(CouponsFromChina.com tip: 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
Old coupons (from the oldest to the newest): BGXPMA147, BGHB218, BGMAYB2437, 2203ActiesNL, BGHECARE1, BG4ee866
(these coupons are old, so probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for 900000 Flashes Laser IPL Hair Remover Epilator? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).