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Supersize Hyaluronic Acid Serum 100ml Duo | The INKEY List

Double up on our bestselling hydration super serum, now 3x the size!

4.7
Rated 4.7 out of 5 stars
4.7 Stars (1,935 Reviews)
$64.60 (Worth $68.00) / 2 full-size products
or $51.00 / 2 full-size products

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Revive your complexion and go BIG on hydration.

Our award-winning Hyaluronic Acid Serum serum is now 3x bigger and doubled up so you get more of the same powerhouse formula you know and love. Easily absorbed, non-tacky and working across multiple layers of the skin, it helps to lock in moisture, restoring your skin's plumpness and smoothness, while reducing the appearance of fine lines.

Discover More about Hyaluronic Acid Serum.

Suitable for:

  • All Skin Types
  • Sensitive Skin
  • Pregnancy & Breastfeeding
  • Teen Approved

Targets:

  • Fine Lines & Wrinkles
  • Dehydrated Skin
  • Damaged Skin Barrier

Proud to be:

  • Carbon Net-Zero
  • Cruelty Free
  • Vegan
  • Recyclable
  • B-Corp
  • theinkeylist.com exclusive
  • Fragrance Free

Awards & Features

Glamour
Allure 2022 Award
CEW 2O24 Award
Cosmopolitan

Delivery info

Standard tracked shipping

$6.99

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  • "I decided to try Hyaluronic Acid Serum as I'm struggling with acne dry skin from medications. I've been using it for more than a year and my skin is glowing and feels softer than ever! I would definitely recommend this product if you want change your skin for better!"

    Katarzyna

  • "You have been a part of the past 2 years of my skincare journey. Thank you INKEY!"

    Keanu

  • "I’ve used INKEY products religiously and my skin is just amazing! This is before I started and what it is like now. My skin's never been better!"

    Adelle

  • "The INKEY List is the only skincare that's helped my acne-prone skin due to my polycystic ovaries". Lauren has been using Oat Cleansing Balm, Salicylic Acid Cleanser, Hyaluronic Acid Serum, Succinic Acid Treatment and Omega Water Cream since December 2022."

    Lauren

  • "Just wanted to say I’ve been using your brand for just over a month and the products have really helped with my acne and the scarring! They are amazing and the results are incredible."

    Amy

  • "I used the online askINKEY service and chose the Hyaluronic Acid Serum, the Succinic Acid Treatment, and the Omega Water Cream. These are my results after 3 months ❤️ "

    Chloe

  • "Your products have helped me become so much more confident and happy in my skin!"

    Tatiana

4.7
Rated 4.7 out of 5 stars
Based on 1,935 reviews
Total 5 star reviews: 1.6k Total 4 star reviews: 260 Total 3 star reviews: 51 Total 2 star reviews: 26 Total 1 star reviews: 34
1,935 reviews
  • Nicky
    Verified Buyer
    Hyaluronic Acid Serum - 30ml
    Reviewing
    Hyaluronic Acid Serum - 30ml
    I recommend this product
    Age Range 45 - 54
    Skin Type Combination
    Rated 5 out of 5 stars
    15 hours ago
    Nice to use

    Really nice feel on my skin — not greasy or heavy at all, but very refreshing.

  • bambi s.
    Verified Buyer
    Hyaluronic Acid Serum - 30ml
    Reviewing
    Hyaluronic Acid Serum - 30ml
    I recommend this product
    Age Range 25 - 34
    Skin Type Dry
    Skin Concerns Dryness, Plumping
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    20 hours ago
    Essential

    Makes my skin feel hydrated, smooth and prepped for the rest of my skincare routine.

  • ChikiFrost
    Verified Buyer
    Hyaluronic Acid Serum - 30ml
    Reviewing
    Hyaluronic Acid Serum - 30ml
    I recommend this product
    Age Range 16 - 18
    Skin Type Combination
    Skin Concerns Redness, Breakouts, Fine Lines and Wrinkles
    Sensitive Skin Friendly? Yes
    Rated 5 out of 5 stars
    Yesterday
    Worth getting!

    Made my skin visibly more plump after a few uses. very affordable too!

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