Guide
Lip Shape Analysis
Six lip types, how to identify yours, and the liner and finish techniques that suit each one—without guesswork.
The six lip types and how to identify them
Lip shape is classified by the profile of each lip individually and their relationship:
Full
Both lips have pronounced volume with a defined Cupid's bow and visible lower lip roundness. All techniques work; avoid heavy overlining that looks unnatural.
Thin
Low volume on both lips—flat, compressed profile. Overlining slightly outside the natural border adds apparent fullness. Gloss finishes add more volume appearance than mattes.
Wide
Broad mouth with outer corners extending to or beyond the nose wings. Liner slightly inside the natural corners visually reduces width. Neutral lip colors keep focus central.
Heart/Cupid's Bow
Pronounced M-curve on the upper lip. This is a distinct, character-driven shape. Enhance with a liner that traces the existing curve precisely—don't soften it.
Round
Even curve top and bottom, minimal Cupid's bow definition. Add definition with a liner that creates a light M-shape at the center of the upper lip.
Downturned
Mouth corners point slightly downward, creating a resting frown appearance. Liner slightly inside the lower border at the corners reduces the droop. Upward-curved liner technique at the outer upper lip adds lift.
Finish effects on perceived lip shape
Matte finishes reduce perceived volume—they flatten the lip and make thin lips appear thinner. Gloss finishes increase perceived volume through light reflection—better for thin lips, overwhelming for already-full ones. Satin and cream finishes are the most versatile across lip shapes.
Frequently asked
What are the different lip shapes?
Six common lip shapes: Full (defined top and bottom, balanced volume), Thin (smaller volume across both lips), Wide (broad mouth corners, horizontal width), Heart/Cupid's Bow (pronounced M-shape on the upper lip), Round (even curved top and bottom, soft), and Downturned (mouth corners point slightly downward).
How do I know what lip shape I have?
Identify these characteristics: Is your upper lip equal to, larger than, or smaller than your lower lip? (Lower usually dominant is standard). Does your upper lip have a pronounced M-curve (Cupid's bow)? Are your mouth corners level, turned up, or turned down? Is the overall width wide relative to your nose width, or narrower?
What lip shape is most attractive?
Research suggests a ratio where the lower lip is slightly larger than the upper (around 1:1.6) and the mouth width sits at or slightly outside the inner corners of the eyes is rated most attractive. A pronounced Cupid's bow is also consistently rated as attractive in women. However, attractiveness of lip shape is highly culturally variable.
Can lip liner change the appearance of lip shape?
Yes, significantly. Overlining the Cupid's bow adds definition to flat upper lips. Overlining the outer corners adds width to thin lips. Lining slightly inside the natural border of downturned corners creates the illusion of lifted corners. Color and finish (matte vs. glossy) also affect perceived fullness.
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This page is general information about facial aesthetics terminology, not medical or cosmetic advice. Scores from our tools are AI-generated estimates for entertainment and self-reflection.