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2 bottles of ectoin on shelf
Before and after using ectoin serum
How to layer in your routine
Clinically proven to restore skin bounce in 3 days* *4 week clinical study of 26 people
Amount to apply  - pea sized amount
Apply in the AM & PM
Key ingredients science
Ectoin B&A
Ectoin B&A 28 days
Key claim statistics
Model with ectoin serum

Ectoin Hydro-Barrier Serum Duo | The INKEY List

Double up on your hydration and skin barrier strengthening

4.5
Rated 4.5 out of 5 stars
4.5 Stars (203 Reviews)
€15,60 €32,00 / 2 full-size products

20% off everything* and FREE SPF at cart over €45

Unlock double hydration and barrier repair with The INKEY List Ectoin Hydro-Barrier Serum Duo - a dual-action powerhouse that deeply hydrates while strengthening your skin’s natural defences. Clinically proven to restore skin bounce in just 3 days* and hydrate and strengthen the skin’s barrier in 15 minutes*, this ectoin serum duo works to optimise your skin’s health from the inside out.

Hydration and barrier support go hand in hand.

Ectoin Serum (2% Ectoin) – A natural skin protector that hydrates, fights signs of ageing and inflammation, and strengthens the skin barrier.

Multi-Molecular Hyaluronic Acid Serum – Works to rebuild and restore the skin’s protective barrier while deeply hydrating up to 10 surface layers deep.

Whether you’re searching for a hydrating serum for dry skin or an everyday solution for balanced, healthier skin, this duo helps to visibly improve five key signs of a compromised barrier: dullness, dryness, redness, flakiness, and slackness. With lightweight, fast-absorbing textures, these serums deliver instant, non-tacky hydration that layers seamlessly under skincare and makeup.

Suitable for:

  • All skin types
  • Barrier support and protection ​

Targets:

  • Dehydrated skin
  • Compromised skin barrier
  • Dryness
  • Flakiness
  • Dullness

Proud to be:

  • Vegan
  • Cruelty Free
  • Carbon Net-Zero
  • Clinically Tested
  • Dermatologically Tested
  • Pregnancy & Breastfeeding Safe
  • theinkeylist.com exclusive
  • B-Corp
  • Fragrance Free

Awards & Features

refinery29
Vogue
Grazia

Shipping info

Standard EU Tracked Shipping

  • €5.95**
  • FREE on your first order & over €45**
  • (2-5 business days*)

**The following countries are subject to increased Standard Tracked Shipping rates and increased FREE shipping thresholds. In addition, Express Shipping is not available to these countries.

  • €6.95 - Denmark, Finland, Switzerland, Estonia, Luxembourg - FREE on your first order & over €45
  • €8.95 - Spain, Portugal, Greece, Sweden, Croatia, Bulgaria, Romania - FREE on your first order & over €55
  • €11.95 - Malta, Cyprus, Iceland, Serbia, North Macedonia, Bosnia & Herzegovina, Monaco - FREE on your first order & over €65.

Express EU Tracked Shipping

  • €11.95
  • (up to 4 business days*, if ordered before 4pm CET on business days) 

Tariff or duties

  • Orders with EU shipping destinations won't be subject to any tariff or duties, however please note that there are a small number of EU and European territories that still require tariffs and duties that will need to be covered by the customer.

*Find out more about shipping here.

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  • Before and after comparison
    "I was actually shocked with the results myself it kept improving and I started seeing the difference after a week and it just kept getting better I can’t wait for the official launch I’m gonna buy more products from inkey I’m really impressed with the result, this product is a part of my daily morning and night skincare routine and I’m so thankful for the opportunity you guys gave me to test this out"

    Sumbal

  • Before and after comparison
4.5
Rated 4.5 out of 5 stars
Based on 203 reviews
Total 5 star reviews: 147 Total 4 star reviews: 35 Total 3 star reviews: 8 Total 2 star reviews: 7 Total 1 star reviews: 6
203 reviews
  • Venetia L.
    Verified Buyer
    Reviewing
    Ectoin Hydro-Barrier Serum
    I recommend this product
    Age Range 55 - 64
    Skin Type Dry
    Skin Concerns Hyperpigmentation, Redness, Fine Lines and Wrinkles, Puffiness, Plumping
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    11 minutes ago
    I have noticed a difference already

    This really locks the moisture in and is perfect for my dry skin

  • Teri E.
    Verified Buyer
    Reviewing
    Ectoin Hydro-Barrier Serum
    I recommend this product
    Age Range 45 - 54
    Skin Type Dry
    Sensitive Skin Friendly? Yes
    Rated 4 out of 5 stars
    23 minutes ago
    Hydrating product that’s easy to use

    Product states use a pea size amount, I found this wasn’t enough but in use more it does hydrate my face and helped my sun dried skin

  • Janet C.
    Verified Buyer
    Reviewing
    Ectoin Hydro-Barrier Serum
    I recommend this product
    Age Range 65+
    Skin Type Normal
    Skin Concerns Fine Lines and Wrinkles, Dryness
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    9 hours ago
    Wonderful product

    This is the product I didn't think I needed! I'm a massive fan of The Inkey list all the products I use are brilliant, very fair price point, excellent value for money, would highly recommend