Tripeptide Plumping Lip Balm on a white background with key product benefits

Key stat from recent clinical study of customers using Tripeptide Plumping Lip Balm

Lip balm with text claiming to plump lips by up to 40% and nourish lips instantly.

Lip balm with text explaining its ingredients and benefits on a white background

Lip balm with text on how to use it, close-up of lip balm with applicator.

Before and after comparison of lips with a lip product applied.

Close-up of lips with different skin tones and lip colors.

Model applying Tripeptide Plumping Lip Balm

Before and after comparison image showing visible results after 2 weeks of using Tripeptide Plumping Lip Balm

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Skin /
Skincare Sets /
Lip Plumping Duo

Lip Plumping Duo

Name: Lip Plumping Duo
Brand: The INKEY List USA
SKU: BUNTILUSA083
Price: 22.40 USD
Availability: InStock
Rating: 3.8 (1409 reviews)

Clinically proven to plump lips by up to 40% in 4 weeks*

3.8

Rated 3.8 out of 5 stars

3.8 Stars (1,409 Reviews)

$22.40 ~~$28.00~~ / 2 full-size products

20% off end of year sale! Exclusions apply.

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Worth 110 Points

What you get: Clinically proven volumizing lip plumper that boosts volume by up to 40% in 4 weeks*. Hydrates, repairs and visibly plumps lips for a naturally fuller, healthier look - no tingle, no irritation.

Why it works: Powered by 6% Tripeptide Complex to boost lip volume and definition over time. 2% Ultra Filling Spheres deliver Hyaluronic Acid to lock in moisture, smooth fine lines and improve lip texture. Supports skin barrier to protect and maintain lip health.

How it feels: Smooth, non-sticky balm with a clear, glossy finish. Comfortable to wear alone or over lip colour.

When to use: Use Tripeptide plumping lip balm at least 3x daily for best results. Suitable for everyone, especially if lips feel dry, cracked or need a volume boost.

*4-week independent clinical study of 20 people under dermatological control

This Duo contains x2 Tripeptide Plumping Lip Balms (10ml)

Suitable for:

All skin types
Pregnancy & breastfeeding

Targets:

Lip volume
Dry, cracked lips

How to Use

Use AM and PM. Apply a small amount to clean, dry lips. For best results, apply at least 3x daily for 4 weeks.

Follow with

Can be worn alone or layered over lip colour.

INKEY Tip

Consistent use = better results. Stick to daily use to see full plumping benefits.

Heads up

When adding new products to your skincare routine, we always recommend patch testing. Learn more here.

Storage

Store cool and dry (15–25 °C). Keep out of sunlight and away from eyes. External use only. Keep out of reach of children.

Key Claims

95%

95% of people felt the balm instantly nourished and hydrated the lips**

Clinically proven to plump lips by up to 40% in 4 weeks*

Visibly smoothed fine lines on lips in 2 weeks*

*4-week independent clinical study of 20 people under dermatological control

**4-week independent consumer trial of 20 people under dermatological control

Ingredients

6% Tripeptide Complex: Visibly increases lip volume for plumper-looking, more defined lips.
2% Ultra Filling Spheres: Delivers HA within the lip to plump, retain moisture and fill fine lines.

Ricinus Communis (Castor) Seed Oil, Hydroxystearic/Linolenic/Oleic Polyglycerides, Glyceryl Rosinate, Theobroma Grandiflorum (Cupuaçu) Seed Butter, Butyrospermum Parkii (Shea) Butter, Ethylhexyl Palmitate, Candelilla Cera, Mangifera Indica (Mango) Seed Butter, Orbignya Oleifera (Babassu) Seed Oil, Squalane, Cetearyl Ethylhexanoate, Hydrogenated Olive Oil, Salvia Hispanica (Chia) Seed Oil, Caprylic/Capric Triglyceride, Glyceryl Behenate, Olea Europaea (Olive) Oil Unsaponifiables, Tribehenin, Sorbitan Isostearate, Tocopherol, Portulaca Pilosa Extract, Trihydroxystearin, Helianthus Annuus (Sunflower) Seed Oil, Sucrose Cocoate, Brassica Alba Sprout Extract, Sodium Hyaluronate, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-38, Glucomannan.

FAQs

HOW DOES IT WORK? Unlike traditional lip plumpers, this balm boosts volume while protecting your skin barrier and locking in moisture - no irritation, no sting.

THE HERO INGREDIENTS?6% Tripeptide Complex: Boosts lip volume over time by targeting volume loss for plumper, more defined lips. 2% Ultra Filling Spheres: Dehydrated Hyaluronic Acid absorbs water and expands for instant plumping. Smooths fine lines and locks in moisture.

WHAT HAPPENS IF I STOP USING IT? You’ll start seeing visible plumping in as little as 2 weeks. Keep using at least 3x daily to maintain results.

IS IT STICKY? Nope. Smooth balm texture, not sticky like a gloss.

WILL IT TINGLE/BURN/STING? No tingling, burning or stinging - just plump, hydrated lips.

DOES IT CONTAIN SPF? No.

WHAT DOES IT TASTE/SMELL LIKE? No added flavours - you’ll only notice the natural scent of the ingredients.

CAN I LAYER IT WITH LIPSTICK? Yes! Wear it alone or layer over your favourite lip colour for a glossy boost. (INKEY's founder Colette pairs it with her favourite red.)

CAN I USE IT MORE THAN 3X DAILY? Yes - 3x daily for best results, but reapply as often as you like.

WHERE DOES IT FIT IN MY ROUTINE? Use it as the final step AM + PM, or apply anytime during the day.

IS IT CLEAR OR COLOURED? Clear. Adds a natural sheen that works alone or on top of lipstick.

CAN I USE IT IF I HAVE LIP FILLERS? Yes. Safe to use alongside lip fillers to hydrate, smooth and support lip volume. Always patch test first. If unsure, speak to your GP.

IS IT VEGAN? Yes - certified by The Vegan Society.

IS IT SAFE FOR PREGNANCY OR BREASTFEEDING? Yes

WHAT’S THE PH? No pH - waterless formula.

Inkey Decoded

Skincare can be confusing.

So we cut the BS, and get straight to the point. We simplify the INCI list - commonly known as the ingredients list, that every skincare product has. That’s also where we get our name from. We’re The INKEY List - here to help you get better skin with real knowledge and formulas that deliver. No BS. No hype. Just effective, science-backed skincare that does what it says it will. We show you what your skin needs, not what’s trending. Whether you’re new to skincare or have a solid routine, we’ve always got your back with innovation, education and clinically-proven results.

All at a price that makes sense.

We are B CORP. Our products are formulated with responsibly sourced ingredients, and packaged with 100% recyclable materials. Skin needs love, but so does our planet.

Carbon Net-Zero. All our emissions are offset annually through planet friendly projects with a focus on education.

Approved under the Cruelty Free International Leaping Bunny programme.

100% of our packaging is recyclable. Learn how to recycle your INKEY List products.

Certified by The Vegan Society

These products are;

Dermalogically tested

Clinically tested

Fragrance-free

Gluten-free

Pregnancy & Breastfeeding safe

Awards & Features

Shipping info

Last order dates for Christmas Shipping

Order by December 20th (Express shipping)

Standard tracked shipping

$5.95
FREE on orders over $35
(2-5 business days*)

Express tracked shipping

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

*Find out more about shipping here.

Track the status of your parcel with
our trusted couriers

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Take our Skin Quiz, choose your personalized routine and get FREE products.

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Clinically proven to plump lips by up to 40% in 4 weeks*
*4-week independent clinical study of 20 people under dermatological control

Visibly smoothed fine lines on lips in 2 weeks*
*4-week independent clinical study of 20 people under dermatological control

95% of people felt the balm instantly nourished and hydrated the lips**
**4-week independent consumer trial of 20 people under dermatological control

“The Tripeptide Plumping Lip Balm has completely changed my mind on lip plumping products! I have seen a pretty noticeable change in my lip volume. I even caught myself in the mirror the other day and couldn't believe how plump my lips looked. I love that there is no tingling sensation and my lips are feeling so hydrated and moisturized. And from someone that suffers from dry lips, this is a complete gamechanger!”- @‌megceline_

Verified Purchase

“I love that I can immediately see a difference in how defined my lip shape is and their overall fullness but they still look natural and like they’re my own!”- @‌skinwsara

Verified Purchase

3.8

Rated 3.8 out of 5 stars

Based on 1,409 reviews

Total 5 star reviews: 657 Total 4 star reviews: 280 Total 3 star reviews: 150 Total 2 star reviews: 123 Total 1 star reviews: 199

Reviews Summary

Customers say this lip balm is hydrating and moisturizing, with many praising its comfortable, non-sticky texture. Users report mixed results on plumping effects - some notice subtle improvements after consistent use, while others see no difference. Many appreciate its long-lasting formula and glossy finish. Common complaints include an unpleasant taste described as plastic-like or chemical, with some experiencing grainy texture or hard clumps in the product. Several users find it drying rather than moisturizing. The balm requires frequent reapplication throughout the day for best results, with some noting it works well as an overnight treatment.

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1,409 reviews

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Kelly F.
Verified Buyer
Reviewing
Lip Plumping Duo
I recommend this product
Age Range 55 - 64
Skin Type Combination
Skin Concerns Dryness, Plumping, Under Eye Circles, Damaged Skin Barrier, Texture
Have you purchased an INKEY List product before? Yes
How long have you used this product for? 1 month - 3 months
Sensitive Skin Suitability Suitable for my sensitive skin
Rated 5 out of 5 stars
6 days ago
Excellent!
Excellent product makes my lips look like theve been airbrushed! Super moisturising.
Was this helpful?
Angela
Reviewing
Tripeptide Plumping Lip Balm
I recommend this product
Rated 5 out of 5 stars
1 week ago
5 Stars
Lovely product.
Was this helpful?
Rachel J.
Verified Buyer
Reviewing
Tripeptide Plumping Lip Balm
I recommend this product
Age Range 35 - 44
Skin Type Normal
Skin Concerns Fine Lines and Wrinkles, Plumping
Rated 5 out of 5 stars
1 week ago
Love it!
Lips feel moisturized and a little plumper. Love the feel and consistency.
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Lip Plumping Duo | The INKEY List

Suitable for:

Targets:

How to Use

Key Claims

Ingredients

FAQs

Inkey Decoded

Awards & Features

Shipping info

Mini Oat Cleansing Balm - 50ml

Hyaluronic Acid Serum - 30ml

Omega Water Cream - 50ml

Lip Tint Trio – Berry, Mocha & Pink

Eye & Lip Hydration Duo

Still not sure?

Continue shopping

Lip Plumping Duo