Cashmere vs. Silk Lashes: Which Should You Stock as a Lash Artist?

When it comes to lash trays, the industry is flooded with options—and as a lash artist, knowing the differences between materials is key to delivering the best results for your clients. Two of the most popular types are Cashmere lashes and Silk lashes. While both are made from the same core material—PBT (Polybutylene Terephthalate)—the way they’re processed and finished creates very different looks, feels, and performance outcomes.

So, let’s break down Cashmere vs. Silk lashes, their pros, cons, and how to choose which is right for your lash business.

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What is PBT? (Polybutylene Terephthalate)

First things first—both Cashmere and Silk lashes are typically made from high-quality synthetic PBT fibers. PBT is a lightweight, flexible, and heat-resistant polymer, making it ideal for eyelash extensions. However, it’s the finishing techniques and tapering process that differentiate one type from another.

Silk Lashes: Classic & Versatile

Silk lashes are a staple in many lash artists’ kits. They have a glossy finish and a medium-weight feel. They’re designed to mimic the soft sheen of real, healthy lashes while providing bold definition.

Pros of Silk Lashes:

•Soft yet bold: They offer a nice balance between a natural and dramatic look.

•Good for classic & hybrid sets: Because of their thickness and finish, they’re perfect for clients who want noticeable lashes without being overly voluminous.

•Strong retention: Their thicker base holds well to the natural lash.

Cons of Silk Lashes:

•Heavier than other options: Some clients with fine or weak natural lashes may find them too weighty for long-term wear.

•Less flexible: They don’t have as much softness or bend as Cashmere lashes, meaning they can feel stiffer to the touch.

•Shinier finish: Not ideal for clients looking for a matte or natural appearance, as the glossy finish tends to look more artificial.

•Curl Durability: Some artists and clients find that silk lashes can loose their defined curl faster than with other lash finishes.

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Cashmere Lashes: Lightweight Luxury

Cashmere lashes are a favorite among lash artists, known for their ultra-soft texture, lightweight feel, and matte finish. They are also made from PBT fibers, but their processing and finish give them a more velvety, natural appearance without the added weight. The fibers themselves are often finer and softer, making them noticeably lighter on the natural lash.

Pros of Cashmere Lashes:

•Super lightweight: Their softer, finer fibers reduce strain on natural lashes—they are roughly 30% more lightweight vs. silk, making them perfect for clients with weak or fine lashes.

•Soft, matte finish: No overly shiny, plastic-looking appearance; gives a natural, soft look.

•Comfortable to wear: Clients often report they barely feel the weight of their lashes.

•Great retention: Their lightweight nature can help with long-term wear, especially for clients prone to shedding or lash damage.

•Superior Curl Retention: Cashmere lashes tend to hold their curl longest compared to others.

Cons of Cashmere Lashes:

•Less shine: They’re ideal for clients who want a soft, natural look without the “gloss” silk provides, but do not offer the same shine.

•More delicate fibers: Softer lashes may require more careful handling during fills and thinner fibres may be more difficult to work with for beginners.

•Slightly higher price point: Due to the premium finish and feel, sometimes cashmere lashes can be less costs-effective

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Which Should You Choose?

At the end of the day, both Silk and Cashmere lashes deserve a spot in your lash cart—it’s all about having the right tools for the right clients, and using what works best for you as a lash artist!

Silk lashes are perfect for clients who want a more defined, bold set, especially those with strong natural lashes who can handle a bit of weight. Cashmere lashes are the go-to choice for clients looking for ultra-lightweight comfort, better retention, and a softer, fluffier look.

As a lash artist, offering both options allows you to customize your sets for different eyes, lash health, and client preferences, keeping your retention high and your clients coming back.

Looking to stock high-quality lash trays?

Check out our collection of premium PBT Cashmere Lash Trays designed for maximum performance, comfort, and client satisfaction.