YY lashes wave one fiber into a Y-pattern with another — pre-woven, ready to apply. The result is a dense crosshatch texture popular in K-beauty, J-beauty, and trend-led DTC brands.
YY lash extensions are pre-woven fiber pairs configured into a Y or X pattern. Each unit contains two fibers crossing at the base, creating a wider visual footprint when applied to a single natural lash. The look produces dense crosshatch texture without traditional fan-making. YY trends originated in Korean lash salons and spread through Asian beauty markets before reaching Western DTC brands.
| Fiber material | Korean PBT, factory pre-woven |
|---|---|
| Thickness range | 0.05mm, 0.07mm, 0.10mm |
| Length range | 8mm through 15mm in 1mm increments |
| Curl options | C, CC, D, DD |
| Pattern types | YY (Y-pattern), XX (X-pattern), criss-cross variants |
| Color | Pure black, brown |
| Tray format | 16 rows, mixed-length |
| MOQ | 100 trays stock, 500 trays custom |
Stock items ship in our standard packaging. Beyond stock, we customize yy lash extensions at every level — from fiber spec to retail box. Customization unlocks at OEM and private label MOQ.
YY refers to the pre-woven Y or double-Y pattern of the fibers. Two or more fibers cross at the base, forming a Y shape. Application is one Y-unit per natural lash.
Premade fans contain 3-10 fibers fanning outward from a single base point. YY contains 2-4 fibers crossing in a Y pattern, creating crosshatch overlap rather than fan spread. Different visual texture.
YY originated as a trend in 2021-2022 Korean lash markets and has become a permanent service-menu category in K-beauty-influenced markets. Western markets adopted YY through 2023-2024 DTC brands.
Yes. Custom Y-angles, asymmetric YYY configurations, and hybrid Y-fan patterns produce at 1,000-tray MOQ due to specialized weaving tooling.
Application matches premade fan technique — pick the Y-unit with tweezers, dip the bonded base in adhesive, place onto isolated natural lash. The Y-pattern lays flat against the lash line.
Yes. Standard 500-unit MOQ per SKU applies to trend-tier products including YY.
Send your target volume, packaging spec, and timeline. Our sales team responds within one business day with quote, lead time, and sample availability.
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