There are some makeup products we reach for because they completely change the look. Then there are the ones that quietly make everything look better.
Lip liner is one of those products.
A few precise strokes can define the shape of the lips, make lip color look more polished, and create the appearance of a fuller, more balanced pout. But for us, the best lip liner shouldn't feel like work. It should glide on easily, feel comfortable, and give us enough flexibility to create more than one kind of lip.
That is exactly what we had in mind when we created our new Butter Lip Liner.
With a creamy, butter-smooth formula, a precise 3 mm tip, quick-setting color, and a built-in sharpener, it's designed to make everyday lip definition feel effortless. We can use it to softly trace our natural lip shape, create a fuller-looking outline, fill in the lips completely, or blend the edges for a softer finish.
And because we're always thinking about the overall beauty experience—not just the color—we also highlighted ingredients that contribute to the formula's conditioning and silky feel.
Here are the reasons we're excited to add Butter Lip Liner to our routine.
1. It Gives Lips Natural-Looking Definition
Lip liner doesn't have to look obvious.
In fact, one of our favorite ways to use it is to simply follow the natural shape of the lips. A little definition around the Cupid's bow and outer edges can instantly make a lip look more polished without making it look heavily outlined.
Our Butter Lip Liner is designed to make that process easy.
The creamy tip moves smoothly along the lip line, allowing us to control the pressure and intensity as we apply. Use a lighter touch for a barely-there outline or build the pigment when we want more definition.
And when we're going for that effortless K-Beauty look, we can soften the edges with a fingertip instead of leaving a sharp line.
The result is a lip that looks defined, but still looks like us.
2. The Creamy Formula Glides Instead of Dragging
We've all experienced a lip liner that feels too dry, too hard, or difficult to apply evenly.
That's not the experience we wanted.
The Butter Lip Liner has a creamy, pigmented tip designed to glide across the lips without skipping or crumbling. That smooth application makes it easier to create a clean outline while keeping the application comfortable.
The texture also gives us options.
We can draw a precise line around the lips, use short strokes to gradually build the shape, or apply the product across the entire lip. For a softer look, simply blend the edges with a fingertip.
The formula is designed to work with the way we actually do our makeup: sometimes precise, sometimes effortless, and sometimes somewhere in between.
3. The 3 mm Tip Gives Us Precision Where It Matters
A lip liner is all about control.
The 3 mm precision tip is designed to help us navigate smaller areas of the lips, including the Cupid's bow and corners. These are the areas where a little extra precision can make a big difference.
We can use the tip to subtly refine the lip shape, define the edges, or create a slightly fuller-looking outline.
It also makes the Butter Lip Liner easy to use for different makeup styles.
For an everyday look, trace the natural lip line and blend. For a more sculpted lip, build the outline and fill in the color. For a soft Korean-inspired makeup look, focus the pigment toward the edges and diffuse it inward.
One pencil, plenty of possibilities.
4. It Sets Quickly for Long-Lasting Definition
We don't want to spend time perfecting our lip only to have the definition disappear a few minutes later.
The Butter Lip Liner is designed to set quickly to help provide lasting wear.
That makes it useful as both a traditional liner and a base for other lip products. Once we've created our shape, we can layer color over it without losing the definition we've created.
For even more versatility, fill in the entire lip with the liner before adding another product on top. Or keep the liner concentrated around the edges and add a softer wash of color through the center.
It's an easy way to change the finish without changing the product.
5. The Built-In Sharpener Keeps the Tip Precise
There's something particularly satisfying about a perfectly precise lip liner.
We added a built-in sharpener to make maintaining that precision simple. When the tip needs refreshing, the sharpener helps bring it back to a defined point without requiring a separate tool.
It's one of those small details that makes a difference when we're getting ready.
The goal is convenience: everything we need to create a precise lip is right there with the product.
6. Two Shades Make It Easy to Change the Mood
We kept the Butter Lip Liner collection intentionally simple with two versatile shades: 16 Soft Pink and 29 Rich Chestnut.
Both shades can be worn on their own, used to define the natural lip line, or paired with other lip products.
16 Soft Pink
16 Soft Pink is a cool-toned petal pink with a natural “my-lips-but-better” feel.
It's the shade we reach for when we want subtle definition without adding a lot of contrast. It works beautifully with fresh, minimal makeup and softer K-Beauty-inspired looks.
Use it to trace the natural lip line, fill in the lips, or blend the edges for a diffused finish.
29 Rich Chestnut
29 Rich Chestnut takes the look in a deeper direction.
It's a deep, earthy brown with warm undertones, giving the lips more contrast and definition. We love it for creating a sculpted neutral lip or adding warmth to a makeup look.
It can also be softened with a fingertip if we want the depth of a brown liner without a sharply defined edge.
7. The Butter Lip Liner Can Be Worn More Than One Way
One of our favorite things about lip liner is that it doesn't have to be limited to outlining.
With the Butter Lip Liner, we can create several different looks depending on how we apply it.
For natural definition: Follow your natural lip line with a light hand.
For a fuller-looking lip: Gently overline the areas where the natural lip border is less defined, keeping the adjustment subtle.
For a monochromatic lip: Fill in the entire lip with liner and leave it as your main lip color.
For a soft-focus lip: Apply around the edges and blend inward with your fingertip.
For layered color: Use the liner as a base before applying Butter Lip Tint or Glow Up Lip Oil.
That versatility is what makes a good lip liner such an essential part of our makeup routine. Makeup is fun because you can repurpose products for other parts of your face. These lip liners can be use to contour highlight other areas of your face and blend in for definition and extra color.
8. We Chose Ingredients With Texture and Comfort in Mind
When we're talking about beauty products, ingredients are always part of the conversation.
People searching for Incellderm ingredients or ICD Skincare ingredients often want to understand not only what's in a formula, but why certain ingredients are included.
For the Butter Lip Liner, we're highlighting two ingredients: Butyrospermum Parkii (Shea) Butter and Simmondsia Chinensis (Jojoba) Seed Oil.
Both complement the creamy texture we wanted for this formula.
Butyrospermum Parkii (Shea) Butter
Shea Butter is a rich plant-derived butter widely used in cosmetics for its emollient and skin-conditioning properties.
In our Butter Lip Liner, it helps moisturize and condition the delicate lip area while contributing to the soft, buttery feel of the formula.
It's a natural fit for a product where we want color and comfort to work together.
Simmondsia Chinensis (Jojoba) Seed Oil
Jojoba Seed Oil is known for its smooth, lightweight feel and conditioning properties.
We use it in the Butter Lip Liner to help condition the lips while contributing to the silky glide of the formula.
For us, texture matters. A lip liner should move easily across the lips, allowing us to define the shape without fighting with the formula.
Why These Ingredients Matter in a Lip Product
Lip products have a unique job.
We want beautiful color, but we also want the product to feel good while we're wearing it. A formula that's difficult to apply can make even the perfect shade frustrating to use.
That's why we paid attention to the overall experience of the Butter Lip Liner.
The creamy texture helps the liner glide. Shea Butter contributes to the rich, conditioned feel, while Jojoba Seed Oil helps provide a silky glide. The precision tip gives us control, and the quick-setting formula helps the definition last.
It's the combination of those details that makes the product feel effortless.
And that brings us to one of the biggest questions when choosing a new lip liner: how do we actually use it to get the look we want?
In Part 2, we'll get into the easiest ways to apply Butter Lip Liner, how to create a naturally fuller-looking lip, how to pair both shades with other lip products, and why its formula fits so naturally into a modern K-Beauty-inspired makeup routine.

