To use the Waterdrop (US) coupons on their website, you need to meet the conditions:

•  The items you choose must meet all coupon requirements as explained in the Terms and Conditions.

• The coupon has not expired. 

• The seller uses the Waterdrop (US) checkout system or a customized checkout system that accepts the coupon.

Usually, Coupon Stacking is not allowed at Waterdrop (US). However, the store will surely give out notice if available.

Yes. Coupons for each Discount Event of Waterdrop (US) will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

Shoppers can get coupons for their first purchase at the store. However, it is not all the time, sometimes, they cannot apply a discount on items selling out or items not contained in the promotion program. It depends on the time you shop at Waterdrop (US).

All deals from Promotion Programs of Waterdrop (US) are collected here. For each certain occasion, its coupons will be on the top of the coupon list, and surely they always come with an expiry date.