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Hyaluronic Acid Serum Duo
Hyaluronic Acid Serum Duo $19.00 $20.00 / 2 full-size products
The Lip Duo
The Lip Duo $24.70 $26.00 / 2 full-size products

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The Lip Duo | The INKEY List

Never skip a day of fuller lips.

Rated 3.7 out of 5 stars
3.7 Stars (1,054 Reviews)
$24.70 (Worth $26.00) / 2 full-size 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
  • Pregnancy & Breastfeeding


  • Lip Volume
  • Dry, cracked lips

Proud to be:

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

Awards & Features

Glamour Award

Delivery info

Standard tracked shipping


Free on oders $35+

Express tracked shipping

$15 (2-3 business days*, when ordered before 3pm EST)

*Find out more about shipping here.

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Rated 3.7 out of 5 stars
Based on 1,054 reviews
Total 5 star reviews: 492 Total 4 star reviews: 200 Total 3 star reviews: 114 Total 2 star reviews: 92 Total 1 star reviews: 156
1,054 reviews
    Tripeptide Plumping Lip Balm
    Tripeptide Plumping Lip Balm
    Rated 3 out of 5 stars
    6 minutes ago
    3 Stars

    I looked forward to using this product. It turns out I can’t see a noticeable difference. The smell and taste are also not very desirable.

    I don’t hate it, but it could be better.

  • Alexandra B.
    Verified Buyer
    Tripeptide Plumping Lip Balm
    Tripeptide Plumping Lip Balm
    I do not recommend this product
    Age Range 35 - 44
    Skin Type Combination
    Skin Concerns Breakouts, Oiliness, Fine Lines and Wrinkles, Plumping
    Rated 2 out of 5 stars
    13 hours ago
    Lip balm

    I expected a little more from this, not as hydrating as I thought

  • Kimberley C.
    Verified Buyer
    Tripeptide Plumping Lip Balm
    Tripeptide Plumping Lip Balm
    I do not recommend this product
    Age Range 35 - 44
    Skin Type Normal
    Skin Concerns Breakouts, Fine Lines and Wrinkles, Blackheads, Acne Scars, Under Eye Circles
    Rated 1 out of 5 stars
    18 hours ago

    I honestly don't see a difference in my lips and the product tastes like plastic I will finish using but don't think I'll be back for this one

    TI Profile picture for The INKEY List USA
    The INKEY List USA
    15 hours ago

    Hello Kimberley,

    Thank you so much for sharing your feedback and we're truly so sorry to hear that you did not see the results you had hoped for from using our Tripeptide Lip Balm on this occasion! Please do reach out to our askINKEY Team if we can support you further with your product experience 🖤

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