Is this your store? Claim it. Promote offers with top influencers. No monthly fees. Learn more.

420 Science's activity feed

About 420 Science

420 Science is a popular smoking and smoking accessories retailer which operates the website As of today, we have 1 active 420 Science promo code and 4 sales. The Dealspotr community last updated this page on July 20, 2018. On average, we launch 2 new 420 Science promo codes or coupons each month, with an average discount of 16% off and an average time to expiration of 16 days.

Have you shopped at 420 Science?

No ratings yet

Would you recommend 420 Science to friends & family?

How to use 420 Science promo codes

  1. Go to then select the items you wish to purchase and add them to your shopping cart.
  2. Find a promo code on this page. Click to open the code, then click "copy" to copy the coupon code to your clipboard.
  3. Go back to and proceed to checkout. Look for the box labeled "Enter promo code" and paste your promo code in that box.
  4. Once you apply the promo code, your savings should be applied, and you can complete checkout.

Promo code didn't work? Read these expert tips.

  • 420 Science offers promo codes often. On average, 420 Science offers 2 codes or coupons per month. Check this page often, or follow 420 Science (hit the follow button up top) to keep updated on their latest discount codes.
  • Check for 420 Science's promo code exclusions. 420 Science promo codes sometimes have exceptions on certain categories or brands.
  • Look for the blue "site-wide" label for site-wide 420 Science promo codes. Site-wide codes can be applied to any item on 420 Science's website, and therefore are the most useful codes.
  • Read our expert guide to finding promo codes for stores that rarely offer them.

420 Science Promo Codes & Coupons

Dealspotr has 4x More Working Promo Codes than RetailMeNot or Honey

Tired of expired coupons? Dealspotr is crowdsourced. We have 10 million coupons, verified by real people. Every code on Dealspotr is backed up by a screenshot so you know how it works. Join our community and earn points for sharing deals.

1 Verified Promo Code for 420 Science

20% Off
1 useLast used Expires in
Looking for more codes? We also have: 15 unverified codes for 420 Science

4 Expert Picks for 420 Science

4 Sales & Deals for 420 Science

Free Shipping

1 Shopping Hack for 420 Science

15 Unverified Codes for 420 Science

2 usesLast used
2 usesLast used