Rainbow Black Friday March 2023

FAQ for Rainbow

How to contact Rainbow?

Rainbow provides comprehensive consulting services to the customers. In order to provide Rainbow customers with a better consumer purchase experience, customer service contact information will be placed on rainbowresearch.com, and Rainbow customers can consult related questions through Rainbow customer service and get reply as soon as possible.

How can I get social with Rainbow?

It's easy, all you have to do is choose the desired social media channel to follow Rainbow, for example: Twitter, YouTube or Instagram, Pinterest or Snapchat, and then subscribe Rainbow on it. Rainbow can contact you to provide Rainbow's latest news, such as new product releases, Rainbow Voucher Codes and so on.

How long do Rainbow Voucher Codes last?

For different Voucher Codes, the validity period set by Rainbow may be different. If you want to confirm the exact period of use, you can click each Rainbow Vouchers in order to enter the use explanation page to view the expiration time and other rules of applying your Rainbow Promo Codes.

Why is my Rainbow promo code not working?

The use date is set for each Rainbow promotional code. If Rainbow Promo Codes is not available, please check whether it is invalid or has been used. For the use of Rainbow promo code, you may not know the detailed usage rules during checkout, please log in to the relevant page of rainbowresearch.com to view.