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ScienceSerum Coupon Codes

We regularly check the coupons and deals and update them when offer details change.

Checked October 2026

417 Coupon Reveals

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  • 25%

    OFF

    Code

    Verified Screenshot

    View proof

    25% Off Sitewide

    54+

    Code Reveals

  • 15%

    OFF

    Code

    15% Off Your Purchase

    54+

    Code Reveals

  • FREE

    SHIPPING

    Promo

    Free Shipping On All Orders

    36+

    People Viewed this Deal

  • 10%

    OFF

    Code

    Verified Screenshot

    View proof

    10% Off Your Order

    49+

    Code Reveals

  • $25

    Promo

    Products from $25

    53+

    People Viewed this Deal

  • $120

    Promo

    Receive A Free Moistureyes Serum With Every Order Over $120

    57+

    People Viewed this Deal

  • $80

    OFF

    Promo

    Save on Science Serum Products Under $80

    54+

    People Viewed this Deal

  • 25%

    OFF

    Code

    Save 25% Off Store-wide

    60+

    Code Reveals

Frequently Asked Questions

How long do I have to return a product?

ScienceSerum offers returns for US customers only, with a $10 deduction applied to cover shipping and handling costs, so it's worth reviewing the current return terms on the site closely before ordering, particularly if you're outside the US.

Is there a minimum order for free shipping?

Yes, free US shipping applies to orders over $60, so combining a couple of serums into one order rather than buying them separately is a straightforward way to clear that threshold.

Is there a discount for first-time customers?

Yes, ScienceSerum issues single-use email discount codes fairly frequently, commonly offering a percentage off, and some of these are minimum-spend codes like 15 percent off orders over $45.

Can I combine a promo code with a sale price?

No, most codes explicitly exclude sale items, gift cards, taxes, and shipping fees, and typically can't be combined with other promo codes or sitewide offers, so comparing a sale price against a separate code helps you find the better deal.

How often does ScienceSerum release new codes?

Fairly often, with new codes appearing roughly every few weeks on average historically, so checking back periodically or watching for email promotions increases your odds of catching an active discount.

Are there minimum-spend codes worth building a cart around?

Yes, some codes offer a bigger percentage off once your order crosses a higher threshold, such as $100, so if you're planning to buy more than one serum, checking whether reaching that spend level unlocks a better rate is worth doing.

Is there a Buy One Get One offer available?

Yes, ScienceSerum has run Buy One Get One Free promotions on select products, which can be worth more than a percentage-off code if you're already planning to try more than one serum.

Saving Guide

Check for a Buy One Get One promotion before applying a percentage code:

Since these offers can save more than a standard discount code, particularly if you're already considering two serums, comparing the two options before checkout helps you find the bigger saving.

Build your order toward a higher minimum-spend code if you're stocking up:

Given that some codes offer a better percentage once your order clears a higher threshold like $100, consolidating a planned purchase into one larger order rather than several smaller ones can unlock a better rate.

Reach $60 for free US shipping:

Since ScienceSerum's core products are serums that are often purchased in twos or threes for a full routine, clearing that threshold with one combined order is usually straightforward.

Watch for new codes regularly rather than assuming an old one still works:

Because new codes tend to appear every few weeks, checking your email or the current promotions before checkout is more reliable than reusing a code you found some time ago.

Confirm your return eligibility before ordering if you're outside the US:

Since returns are limited to US customers and come with a $10 shipping and handling deduction even domestically, being extra confident about a new serum before ordering matters more if you're shopping from outside the country.

Checklist before you check out:

check for a Buy One Get One promotion before applying a separate code, confirm your order clears the $60 free shipping threshold, build toward a higher minimum-spend code if you're ordering multiple serums, and confirm your return eligibility if you're ordering from outside the US.

ScienceSerum Coupon Summary

  • 2 Verified Codes

  • 8 Active Offers

25% off
Sitewide

Hero Offer

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About ScienceSerum

ScienceSerum is a skincare brand specializing in advanced, science-backed serums targeting specific concerns like anti-aging, hydration, and brightening, formulated for fast absorption and visible results. The brand emphasizes efficacy-focused formulas across a fairly compact, targeted product lineup rather than a sprawling catalog. Shoppers can find current ScienceSerum coupon codes and discounts on this page, useful for lowering the cost of a serum or a bundle of targeted treatments.

Rate ScienceSerum

4.5 out of 5, based on 112 reviews

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