What is your return policy?

This return policy only applies to customers within the United States and its territories. 

Due to the recent mail ban on vapes, returns on vapes and vape accessories will not be accepted. 

On products that aren't made by us, you can initiate a return on any unused items within 15 days of delivery for either store credit with free return shipping or a refund to your original payment method for a $8.99 shipping fee that would be deducted from the overall refund. Items must be returned in like-new condition and as close to how you received them as possible. 

Incense, Candles & Mints are final sale items.

We ask that you report shipping damage within 48 hours. Please send photos of the shipping damage to help@420Science.com


  • If you return an item to us that has been used, no refund will be issued and we will not be able to return the item to you. 
  • Items that include tamper-evident technology on the packaging are not eligible for return if they have been opened or the tamper-evident seal has been broken. 
  • ROOR items will not be eligible for return if the holographic certificate of authenticity tag has been removed. 
  • Items that come in boxes or packaging from the manufacturer must be returned in their original box or packaging. If items are returned without the original box or packaging, only a 50% refund will be issued. For example MJ Arsenal Mini Dab Rigs or Marley Natural products. 
  • If a returned item arrives broken we can only issue a partial refund of 50% of the broken item. Many of the items we sell are breakable. Please pack your returns with care. There should be sufficient packaging material in the box you receive from us to be used for return shipping. 

Click here to begin a return

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