NYX Slide On Lip Guide: How to Line Lips Like a Pro Today

An educational guide from the Beauty AMZ research team. No hard sell, just what you need to know.
What NYX Slide On Lip Pencil is
NYX Slide On Lip Pencil is a creamy, waterproof lip liner in pencil form. NYX Professional Makeup designed it to glide smoothly without dragging the delicate lip skin. It comes in shades from nudes like Urban Cafe (Brown) to deeps like Dark Soul 01. The formula is long wearing and resists feathering. The pencil requires sharpening to maintain a precise tip. It is cruelty free and affordable at around six dollars. The line targets anyone who wants defined lips that last through eating and drinking.
How to match liner to lipstick
The rule is to match the liner to the lipstick, or go slightly deeper. For nude lipstick, use Urban Cafe to define without contrast. The liner should disappear into the lipstick. For pink lipstick, choose a rose toned liner. For red lipstick, use Dark Soul or a true red liner to prevent bleeding. The liner creates a barrier that stops cream lipstick from feathering. If you want a fuller look, use a liner one shade deeper than the lipstick. This adds dimension. Avoid liner that is much darker than the lipstick, which creates a harsh 90s ring. When in doubt, a nude liner like Urban Cafe works under most shades.
Lining technique for different lip shapes
For thin lips, line just outside the natural edge to create fullness. Focus on the center of the upper and lower lips. Avoid overlining the corners, which looks unnatural. For full lips, line directly on the natural edge to define without adding size. For uneven lips, use the liner to correct symmetry. Draw the smaller side slightly outside to match the fuller side. For a defined cupid's bow, draw an X at the center of the upper lip. This creates sharp peaks. For a softer look, round the X into a curve. Always fill in the lips lightly with liner before lipstick. This base extends wear and keeps the color even as the lipstick fades.
Mistakes that make liner look harsh
The biggest mistake is using a liner much darker than the lipstick. This creates an obvious ring that looks dated. Another error is lining only the outer edge without filling in. When the lipstick fades, you are left with just the outline. Always fill the lips lightly. People also press too hard, which deposits too much color and looks harsh. Use light pressure and build gradually. Skipping sharpening gives a blunt tip that creates thick, imprecise lines. Keep the point sharp. Finally, do not forget to blend. Use your finger to soften the liner edge before lipstick. This creates a seamless transition from liner to lip color.
Recommended Products
These are the products our research team rates highest in this category.

Best for: Everyday brown nude lip definition
NYX PROFESSIONAL MAKEUP Slide On Lip Pencil, Lip Liner - Urban Cafe (Brown)
- Urban Cafe warm brown nude
- Creamy waterproof formula
- Smooth glide, no drag
- Long wearing liner
Pros
- Perfect daily nude liner
- Waterproof stays put
- Unbeatable price
Cons
- Needs sharpening
- Brown may not suit very fair skin

Best for: Deep berry evening lip definition
NYX Professional Makeup, Slide On Lip Pencil - Dark Soul 01
- Dark Soul 01 deep berry
- Same waterproof glide
- Rich pigmented color
- Prevents feathering
Pros
- Moody evening shade
- Makes bold lips last
- Same smooth formula
Cons
- Dark for daytime
- Needs careful application
Ready to Choose?
See our top product picks for nyx slide on lip pencil, or jump straight to the head-to-head comparison of the two most popular options.
The invisible ring problem: when liner outlasts lipstick
The Slide On pencil's waterproof long wear creates the classic liner failure: hours later the lipstick center has faded and a dark outline remains. Prevention starts with shade choice: Urban Cafe should sit close to your lipstick's depth, not dramatically darker; Dark Soul works only under equally deep lip colors. The technique fix is filling the entire lip with the liner, not just outlining; the center then wears down to liner pigment instead of bare lip, and the fade looks intentional. For touch-ups, reapply lipstick to the center rather than re-lining the outline, which darkens the ring further. If the ring appears despite these measures, the liner is too dark for the lipstick; drop one depth.
The 90s brown-liner ombre: the technique driving the trend
The brown-liner-with-lighter-center look is the trend reviving lip liner sales, and Urban Cafe is built for it. The method: line and fill the outer edges with the deeper brown liner, then apply a lighter nude or pink lipstick to the center, and blend the boundary with a fingertip or lip brush. The blend is the skill: harsh lines read dated, while a soft gradient reads modern. The shade pairing rule: the liner should be two to three depths deeper than the center color with a complementary undertone; Urban Cafe's warm brown suits warm nudes and peaches. Avoid pairing brown liner with cool blue-pink centers, which clash. For the lived-in finish, blot once after blending and skip gloss, or add gloss only to the very center for dimension.
The liner-only minimalist look
Wearing liner across the whole lip as the color is the minimalist's full routine, and the Slide On formula suits it: creamy enough to cover, waterproof enough to last. The method: fill the entire lip with the pencil using short strokes, then blot and reapply for opacity. The finish is a soft matte that outlasts most lipsticks. The shades that work solo: Urban Cafe as an everyday nude-brown, Clear the Air-type muted tones for the no-makeup look; Dark Soul solo is an evening statement. Prep matters more for solo liner: exfoliate and balm first, since the pencil shows every flake without lipstick over it. Blot the balm down before applying or the liner slides. For the lived-in effect, apply, blot hard, and leave the stain; it reads as natural lip color with definition. Compare NYX liner options in our Slide On picks and NYX lip guide, and see nude pairings in our NYX Lip Lingerie guide.