How to mix C and D curl lashes?

When eyelash extensions are done with different curls, each set can become a one-of-a-kind work of art that makes the client's eyes look better by adding colour, lift, and a smooth top line. Professional beauty expert Loreta says that mixing C and D curls is a great way to get beautiful results.

Lash artists can improve their work, get more clients, and maybe even get more attention on social media by trying out different curl combinations.

Continue reading to learn more about the benefits of mixing C and D curl lashes, and get tips on how to create beautiful, custom lash sets.

Mixing Curls is Crucial for Several Reasons

Mixing curls in lash extensions is essential to creating a natural and balanced look. Here are the reasons why mixing curls is used to match the varying natural lash curls and directions.

  • Natural lashes come in a variety of curls along the lash line. We can use less curly or curlier lashes in the inner or outer corners since, in most cases, natural lashes in these areas tend to grow downward or be less curly, particularly in the outer corners.
  • To achieve a smooth lash line, lash artists mix different curls in various lash layers. For example, using curlier lashes in the lower lash layer and less curly lashes in the top lash layer can create a balanced look.
  • For specific styles, such as the doll-eye look, artists use curlier extensions in the middle of the eye.

To learn more about these techniques, you can book our advanced online course: VOLUME EYELASH EXTENSION COURSE

How to Mix C and D Curl Lashes

To achieve the perfect blend of C and D curl lashes, follow these steps:

  1. Assessment: Begin by assessing the client's natural lashes and eye shape. This will help determine the optimal placement of each curl type.
  2. Mapping: Create a lash map, designating areas where C curls and D curls will be applied. Typically, C curls are placed on the inner corners for a subtle lift, while D curls are applied to the outer corners for a dramatic flair.
  3. Application: Use a high-quality adhesive and carefully apply the extensions according to your lash map. Ensure that the lashes are evenly distributed to maintain balance and symmetry.
  4. Finishing Touches: Once all extensions are in place, brush through the lashes with a clean spoolie to ensure they are well-separated and aligned.

Flawless expert Loreta highly recommends mixing C and D curls to enhance the client's eyes and create unique lash sets.

Mixing C, CC, and D Curl Lashes

Eyelash extensions have become a beauty staple, offering a way to enhance natural lashes with added volume, length, and curl. Among the various types of eyelash extensions, C, CC, and D curls are particularly popular for their ability to create different looks and effects.

By mixing these curls, lash artists can craft unique and customised sets that cater to the specific needs of their clients. This guide will provide detailed instructions on how to choose and mix C, CC, and D curl lashes to achieve the best results, ensuring balanced lift and avoiding over-lift.

Choosing the Right Curls for Your Client

Selecting the appropriate curl types depends on the client's natural lash pattern, eye shape, and desired outcome. Here are some tips for making the right choice:

  1. Assess natural lashes: Examine the client's natural lashes to determine their length, thickness, and curl. This assessment helps in deciding which curl types will blend seamlessly.
  2. Consultation: Discuss the client's preferences and expectations. Understanding their desired look will guide you in choosing the right combination of curls.
  3. Eye shape: Consider the client's eye shape. For instance, clients with hooded eyes might benefit from a mix of C and D curls to create an open-eye effect, while those with almond-shaped eyes can experiment with all three curls for a balanced look.
Specific Recommendations
  • For sparse lashes: Clients with sparse lashes can benefit from a denser application of C and CC curls to create volume without the risk of over-lift. Reserve D curls for the outermost sections.
  • For straight lashes: Use a higher ratio of CC and D curls to add significant lift and open up the eyes.
  • For naturally curly lashes: Mix C and CC curls to maintain a natural appearance, with D curls used sparingly for added drama on the outer edges.
Avoiding common pitfalls
  • Over-lifting: Be mindful not to apply too many D curls, as this can lead to an unnatural, over-lifted appearance. Balance is key.
  • Even distribution: Ensure that lashes are evenly distributed along the lash line to prevent gaps or clumps.

What is the Difference Between D and C Curl?

When selecting eyelash extensions, understanding the differences between D and C curls is essential for achieving the desired look for your clients. Here is a detailed comparison:


D Curl

C Curl


Dramatic, pronounced lift

Softer, natural lift

Ideal for

Clients seeking a bold, glamorous look

Clients preferring a subtle enhancement

Best suited for

Naturally curly lashes or those desiring a significant curl

Straight or slightly curved natural lashes

Lift Effect

Opens up the eyes significantly, creating an eye-catching appearance

Provides a gentle lift, enhancing natural lash curvature


Outer corners for dramatic flair

Inner corners or entire lash line for a balanced look

Application Areas

Great for cat-eye or doe-eye effects

Suitable for natural and everyday looks

Visual Impact

High impact, noticeable curl

Soft, natural-looking curl


Can I mix lash brands?

Yes, you can mix lash brands, but it is essential to ensure that the quality and characteristics of the lashes are compatible. Different brands may use varying materials and manufacturing processes, so it's crucial to test them together before applying to ensure they blend seamlessly and adhere well.

What curl do most lash techs use?

The most commonly used curls by lash technicians are C and D curls. C curls provide a natural lift and are suitable for most clients, while D curls offer a more dramatic and glamorous look. The choice of curl often depends on the client's eye shape and desired effect.

What curl is best for hooded eyes?

For hooded eyes, lash technicians often prefer using L or L+ curls. These curls have a flat base and a sharp lift, making them ideal for creating an open-eye effect. However, mixing C and D curls can also work well, with C curls applied to the inner corners and D curls to the outer corners to achieve a balanced look.

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