Kosas Hotliner Retractable Lip Liner — Beyond Shade, Hyaluronic-Infused with Built-In Brush & Sharpener

The Kosas Hotliner is a retractable, hyaluronic-acid–infused lip liner with a built-in sharpener and brush that defines, hydrates and visibly plumps lips with creamy, long-wearing color.

Designed to simplify lip shaping while delivering hydration, Hotliner combines a smooth, pigmented formula with skin-friendly actives to outline, fill and enhance lips. Its retractable mechanism removes the need for manual sharpening, while the integrated sharpener and soft blending brush let you create crisp edges or diffused contours. Lightweight and free of common irritants, this liner aims to provide a comfortable eight-hour wear without drying or heavy transfer.

How does Hotliner help create fuller-looking lips?

Hotliner uses hyaluronic acid and konjac root to add immediate surface hydration and help lips look plumper over time. The creamy, gel-like formula sits smoothly on the lip, reflecting light for a subtly fuller appearance when blended or filled in.

• Hyaluronic acid attracts and holds moisture at the lip surface for temporary plumping.
• Konjac root helps condition and soften the lip texture for a smoother finish.
• High-pigment formula provides coverage that can be layered for added volume effect.
• Blendable cream texture allows strategic shading to enhance natural contours.

What makes the retractable design and tools useful for application?

The retractable pencil delivers precise strokes without manual sharpening, while the built-in sharpener refines the tip for detailed work. The included brush helps soften harsh lines, blend color into the lip, and create a professional-looking gradient or fully filled lip with minimal effort.

• Retractable mechanism prevents breakage and keeps the tip ready to use.
• Integrated sharpener ensures a fine point for precise outlining.
• Soft brush blurs edges or buffs color inward for a natural ombré.
• Compact all-in-one format suits touch-ups and travel needs.

How long will the color last and what is the wear experience like?

Formulated for extended wear, Hotliner aims to stay put through everyday activities while feeling lightweight on the lips. It resists smudging and minimizes transfer, so you can rely on a defined look for several hours without frequent reapplication.

• Creamy-pigmented texture provides even, consistent coverage.
• Long-wear formulation reduces the need for constant touch-ups.
• Non-drying composition keeps lips comfortable throughout wear.
• Subtle scent adds a pleasant application experience without overpowering.

Which shades and skin tones does Hotliner suit?

Hotliner is offered in a curated range of eight shades created to flatter a variety of complexions, from neutral nudes to deeper, statement hues. Each shade is formulated to layer well with lipsticks or glosses or to stand alone for a defined, monochrome look.

• Neutral and warm tones pair well with everyday looks and a wide range of foundations.
• Deeper shades provide bold definition and can be used to reshape lip contours.
• Sheer or built-up application options allow customization of intensity.
• Works as a base for matte or glossy lip finishes.

Who is this for: Kosas Hotliner is designed for anyone wanting an easy, travel-friendly tool to define and enhance lips—ideal for makeup beginners who appreciate built-in tools and experienced artists who need reliable, hydrating pigment. It’s especially suitable for people seeking a non-drying liner that can both outline and fill, and for those who prefer clean-formula cosmetics free from mineral oil, silicones, parabens and phthalates. If you want a single liner that hydrates while shaping and can move from subtle day looks to more dramatic evening styles, Hotliner offers a compact, multipurpose solution.

Features:

• Retractable lip liner with integrated sharpener and blending brush for precise application.
• Infused with hyaluronic acid and konjac root to hydrate and improve lip texture.
• Creamy, highly pigmented gel-like formula for smooth coverage and buildable intensity.
• Long-wearing performance designed to reduce smudging and transfer for extended wear.
• Kosas Clean: vegan, gluten-free, hypoallergenic and formulated without mineral oil, silicones, parabens or phthalates.

Ingredients

Trimethylsiloxysilicate, Isohexadecane, Synthetic Wax, Ethylhexyl Palmitate, Kaolin, Ceresin, Mica, Isododecane, Polybutene, VP/Hexadecene Copolymer, Copernicia Cerifera (Carnauba) Wax/Cire de Carnauba, Sodium Hyaluronate, Ethylene/Propylene Copolymer, Caprylyl Glycol, Glyceryl Caprylate, Glucomannan, Trihydroxystearin [+/-: CI 77891 (Titanium Dioxide), CI 77491, CI 77492, CI 77499 (Iron Oxides), CI 15850 (Red 7)]