Flat / ellipse lashes

What to Know about eyelash extension lashes

Flat lashes are one of the most innovative and popular options in the world of classic eyelash extension types, perfect for clients who want a defined yet natural look. Thanks to their flattened base, these lashes adhere more securely to the natural lash, ensuring greater retention and comfort. Their lightweight design makes them almost imperceptible on the eyelid, enhancing the client’s overall experience during and after the treatment.

Flat lash extensions are ideal both for beginners and experienced lash artists: simply combine them with Kalentin’s professional kits, Primer, adhesives, removers for flawless, precise, and professional results. They are available in different lengths and curls to suit every eye shape and personal style. They can also be paired with eyebrow extensions for a complete and harmonious look that enhances facial features and intensifies the gaze. With the right skills and professional products, it’s possible to deliver a treatment that blends beauty, comfort, and long-lasting wear, earning the trust of every client. Discover all other eyelash extension types by Kalentin, from classic to colored lashes.

Why choose Kalentin flat lashes

Flat lashes offer faster and easier application compared to traditional eyelash extension lashes, making treatments more efficient without compromising quality. Their innovative structure—with a flat base and split tip—provides stronger adhesion to the natural lash and creates an optical effect similar to Russian volume, while maintaining the lightness and precision of classic extensions.

This type of lash is especially recommended for clients seeking a fuller, more defined look. Available in curls C, D, and D+, and in multiple lengths, they adapt perfectly to any eye shape and desired style.

Kalentin flat lashes: professional quality with sustainable paper packaging

Kalentin is committed to a greener future, promoting an ethical approach to professional beauty. Flat lash extensions are packaged in eco-friendly paper boxes, reducing plastic use by 99%—a concrete step toward sustainability.

Beyond packaging, the entire Kalentin line is cruelty-free and crafted with carefully selected natural ingredients. By choosing Flat lashes, you are not only offering your clients long-lasting comfort and beauty, but also supporting a more conscious business model.

Pair them with our professional primers, eyelash extension adhesive, and removers for a safe and precise application. Each product is designed to deliver professional performance while respecting the delicate eye area. With Kalentin, beauty and sustainability always go hand in hand.

Choose the perfect curl

Every client is unique, which is why Kalentin Flat lashes are available in a wide range of curls and sizes. From a soft, natural effect to a more dramatic look, you’ll find the perfect solution among C, D, and D+ curls. Flat lashes fit seamlessly into the routine of classic eyelash extension types, allowing lash artists to create tailored results.

How to get the best results with flat lashes

To achieve optimal results with Flat lash extensions, it’s essential to follow a precise procedure and use high-quality products. Start with thoroughly cleansed natural lashes: they must be completely free of oils and dry to ensure effective adhesion. At this stage, primer, eyelash extension adhesive, and remover play a key role.

The primer prepares the lash surface, the adhesive ensures excellent hold, and the remover allows safe and gentle removal. The flat base of Flat lashes provides a larger bonding area compared to classic lashes, improving stability and retention.

This structure also makes application easier, faster, and more precise—ideal both for skilled lash artists and those still perfecting their technique. The split tip creates a light yet visible volume, giving a deep, polished look without compromising naturalness.

How flat lashes and precision tweezers create a flawless extensions

Every client has a unique style, expression, and eye shape. That’s why Flat lashes are the perfect choice to deliver truly personalized results: their flat base and split tip create a defined yet natural look without relying on excessive volume. Lightweight and comfortable, they are ideal even for sensitive clients, while their extended retention reduces the need for frequent touch-ups.

To achieve the best results with Flat lashes, lash artists can rely on Kalentin’s precision eyelash extension tweezers collection. From isolation tweezers (KK1–KK4) to classic application (KK5) and volume fan creation tools (KK6, KK9, KK12, KK13), every tweezer is designed to complement professional application, making treatments more accurate and efficient. Combined with high-quality Flat lashes and professional eyelash extension adhesive, they help deliver flawless looks that enhance every gaze.

FAQ: Kalentin answers

What is a flat lash extension?

A flat lash extension is a type of eyelash extension with a flattened base, designed for better adhesion, lightweight comfort, and a fuller, defined look.

Do flat lashes last longer?

Yes, thanks to their wider contact area, flat lashes bond more securely with the natural lash, often resulting in longer retention.

What do flat lashes look like?

Flat lashes have an oval, flattened base instead of a round one, which gives them a wider contact surface with the natural lash. This structural difference makes them lighter, more stable, and easier to apply while still achieving a bold effect.

How to apply flat lash extensions?

Apply flat lashes using professional eyelash extension adhesive, isolating each natural lash and attaching the extension at the base with precision tweezers.

What are flat eyelash extensions?

Flat eyelash extensions are an innovative eyelash extension type with an oval or ellipse base, offering better grip, comfort, and a bolder lash line effect.

How to sleep with lash extensions?

Sleep on your back when possible, avoid rubbing your eyes, and consider using a silk pillowcase or lash-safe sleep mask to protect extensions overnight.