Thin lips
A lip shape with less volume and definition.
Thin lips are a natural variation characterised by reduced volume and subtle definition. They contrast with full or heavy lip shapes. Makeup techniques such as overlining and gloss application can alter their visual appearance.
- Thin lips have less volume and definition than full lips.
- Overlining with darker liner creates a fuller appearance.
- Lighter shades and gloss add dimension to slim lips.
- Lip shapes are unique like fingerprints.
- Hydrating glosses can enhance the look of thin lips.
What it is
Thin lips are defined by having less volume and definition compared to other lip shapes. They are the opposite of full lips, which are naturally plump. This shape tends to be slim and may appear difficult to distinguish when a person smiles. Like all facial features, lip shapes vary uniquely from person to person, similar to fingerprints. Identifying this shape involves examining the mouth in a mirror to note the lack of fullness in both the upper and lower sections.
The science
Lip shapes are natural variations found across populations. No two mouths are exactly alike, but they fall into common categories. Thin lips represent one end of the spectrum regarding volume and definition. This trait is inherent and not linked to character or worth. It is simply a structural difference in the soft tissue of the mouth.
Styling and care
Makeup artists suggest overlining to create the illusion of fullness. Use a lip liner slightly darker than the natural shade to draw just outside the natural line. Focus on the centre for a subtle effect. Lighter or brighter lipstick shades add dimension. Lip glosses with a high-shine finish also help create the appearance of volume. Hydrating formulas with hyaluronic acid can make lips look smoother and plumper.
Questions people ask about Thin lips
How do I identify if I have thin lips?
Examine your lips in a mirror. If they appear slim, lack significant volume, and are difficult to see when you smile, you likely have thin lips. Compare them to charts showing full or heavy lip shapes for reference.
What makeup makes thin lips look fuller?
Use a lip liner slightly darker than your natural color to overline the lips subtly. Apply lighter or brighter lipstick shades to add dimension. Finish with a high-shine lip gloss to create the illusion of volume and fullness.
Is overlining safe for thin lips?
Yes, when done carefully. Keep the overlining subtle to avoid an unnatural look. Focus on the centre of the lips and stick to the natural line near the outer corners. This technique is a common hack for enhancing smaller lip shapes.
Good reading and sources
There is no English Wikipedia article on Thin lips yet, so the facts on this page come from the sources listed above: makeup.com/makeup-tutorials/expert-tips/lip-shapes-guide, lorealparisusa.com/beauty-magazine/makeup/lip-makeup/lip-shapes-how-to. Some are the subject's own pages, so its claims about itself are reported as its claims. EveryFaceShape wrote the text in its own words, with AI assistance, and compares it with the sources to make sure no passage is copied.
It may contain mistakes, and figures change over time. Nothing here is investment or buying advice. If something is wrong, tell us. Last refreshed 2026-11-15.
Like Thin lips
All lips and mouth
WorldVermilion border
The sharp line where lip colour meets facial skin.Lips · Most faces
WorldFull lips
A lip shape with equal volume on top and bottom.Lips · Most faces
WorldLip
Soft, movable tissue forming the visible opening of the mouth in humans and many animals.Lips
WorldWhite roll
The white line bordering the top of the upper lip.Lips