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The Lip Duo | The INKEY List

Never skip a day of fuller lips.

Rated 3.9 out of 5 stars
3.9 Stars (616 Reviews)
€22,78 (Worth €23,98) / 2 products


Set to be your new lip care obsession, keep one in your handbag and one on your desk to maximize your lip plumping every single day.

Clinically proven to plump lips by up to 40% in 4 weeks*, Tripeptide Plumping Lip Balm hydrates, repairs and plumps lips leaving them looking naturally fuller and healthier. Specially formulated for maximum fullness without any tingle or irritation, the plumping balm works over time to visibly increase lip volume. So now your lips not only look plumper but, ARE plumper. No filter, no filler, just fuller.

Formulated with 6% Tripeptide Complex, to visibly increase lip volume over time for plumper-looking, more defined lips, together with 6% Ultra Filling Spheres which deliver Hyaluronic Acid to the lip to plump, retain moisture and help to fill fine lines, Tripeptide Lip Balm enhances fullness, defines lip contours, and reduces the appearance of fine lines and creasing around the mouth. With continued use, the proof really is in the plump. For best results we recommend using at least 3-times per day.

This duo includes:
2x Tripeptide Plumping Lip Balm (10ml).

Suitable for:

  • All Skin Types All Skin Types
  • Pregnancy & Breastfeeding Pregnancy & Breastfeeding


  • Lip Volume
  • Dry, cracked lips

Proud to be:

  • Carbon Net Carbon Net-Zero
  • Recyclable Recyclable
  • Vegan Vegan
  • Leaping Bunny Cruelty Free
  • Derma Dermatologically Tested
  • Clinically Clinically Tested
  • B-Corp B-Corp
  • Travel Size Travel Size
  • Gluten Free

Delivery info

Standard tracked EU shipping

€5.95 (2-5 business days*)

Free standard tracked EU shipping on all orders over €45

Express tracked shipping

€11.95 (Up to 4 business days if ordered before 4pm, excluding weekends*)

*Find out more about shipping here.

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Rated 3.9 out of 5 stars
Based on 616 reviews
Total 5 star reviews: 317 Total 4 star reviews: 132 Total 3 star reviews: 51 Total 2 star reviews: 45 Total 1 star reviews: 71
616 reviews
  • Christine R.
    Verified Buyer
    Tripeptide Plumping Lip Balm
    Tripeptide Plumping Lip Balm
    I do not recommend this product
    Age Range 55 - 64
    Skin Type Dry
    Rated 1 out of 5 stars
    8 hours ago
    Don’t bother

    I had high hopes for this after all the hype. But It did nothing

    TI Profile picture for The INKEY List EU
    The INKEY List EU
    4 minutes ago

    Hey Christine,

    Thank you for sharing your feedback and we are sorry to hear this. If you have been using this for at least 4 weeks (3x per day) as recommended and are not satisfied with the results, please do reach out to the askINKEY team and they can help!

  • Darcey B.
    Verified Buyer
    Tripeptide Plumping Lip Balm
    Tripeptide Plumping Lip Balm
    I recommend this product
    Age Range 25 - 34
    Skin Type Normal
    Skin Concerns Plumping
    Rated 3 out of 5 stars

    I found this drying over time. A shame because I love all my other only list products!

  • Rachel S.
    Verified Reviewer
    Tripeptide Plumping Lip Balm
    Tripeptide Plumping Lip Balm
    I recommend this product
    Age Range 55 - 64
    Skin Type Combination
    Skin Concerns Redness, Blackheads, Hyperpigmentation, Breakouts
    Rated 5 out of 5 stars

    Hi only just bought this product from Boots is it meant to be grainy

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