How to redeem a Medik8 promo code
- 1. Add your selected items to your shopping bag at Medik8.
- 2. Open your bag and continue to checkout.
- 3. Find the field labeled Promo Code or Gift Card, then enter your code and apply it.
By Phia
Medik8 offers advanced skincare solutions. The brand focuses on delivering results without compromise.
Everything you need to know to get the best deal at Medik8
Phia finds the working code — and applies it before you pay.
18 codes available to try
Most popular today: 15% off



Editorial
CeraVe Resurfacing Retinol Serum: retinol with ceramides and niacinamide built in, plus CeraVe moisturizers and other retinol serums.

Editorial
Night cream was written off for years as a heavier day moisturizer with better marketing. Serums, acids and the rise of barrier-first routines have given it a clearer job, sealing everything in and supporting repair while you sleep. This edit covers the heritage jars, the retinol alternatives and the newer labs rethinking what the last step at night should do.

Editorial
K beauty PDRN serum jumped from an in-office injectable to a wall of serums that borrow the ingredient's name. I separate the ingredient from the promise, then pick formulas from ANUA, medicube and COSRX.

Editorial
Should you start with 0.2 or 0.5 retinol? The Ordinary's retinol ladder, from Retinol 0.5% in Squalane to Retinal 0.2%, and how to use it.

Editorial
Retinaldehyde, usually shortened to retinal, is the retinoid one conversion step from the active form skin actually uses. Here are nine brands that build serums, eye products, night creams and body treatments around it.

Editorial
This best skincare for oily skin edit covers gel cleansers, salicylic acid exfoliants, oil-free moisturizers, clay masks and matte sunscreens. I like a routine built on restraint, since a harsh face wash can trigger more oil.

Editorial
Spend on the skincare step that solves the biggest gap in your routine. Shop 20 picks from Medik8, Shiseido and Sunday Riley.

Editorial
A313 is the French pharmacy pommade that started a thousand retinoid conversations, and this edit puts it on the ladder next to the retinal and retinol serums around it. I explain the rungs one product at a time, and how to climb them slowly.

Editorial
Hydrated skin comes from layering water-based products under something that seals them in.

Editorial
One well-built formula can do more than a crowded lineup. Shop 16 face serums from Medik8, Primally Pure and Hyeja, $26 to $325.

Editorial
The best skincare for oily skin is a gentle cleanser, one active and a light moisturizer. Oily skin gets sold long routines, and I explain why a short one gives you something to actually diagnose.

Editorial
Dermstore Black Friday 2026 is still unannounced, so I am using last year's select-product sale as context rather than promising a repeat. I compare familiar refills with giftable devices, and leave room for item-level terms to settle the timing.
Phia has found 18 active coupon codes for Medik8. Copy and paste a code below at checkout to see if it works on your order.
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Verified offer available at checkout.
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Use code SKIMM20 for 20% off.
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10% off sitewide for first-time web purchases.
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Verified offer available at checkout.
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Verified offer available at checkout.
Code
Verified offer available at checkout.
Code
Verified offer available at checkout.