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Images sourced directly from the ILNP website at ilnp.com for accuracy. We never source images from third party sites.
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ILNP-BIREFRIN
Birefringence by ILNP is a mid-tone, vivid bright blue with a multichrome finish.

Color
A multichrome that shifts through blues, purples, reds, oranges, yellows, and even subtle greens. Part of the Ultra Chrome collection.
Birefringence by ILNP is a mid-tone, vivid bright blue with a multichrome finish. ILNP labels it ILNP-BIREFRIN. Its recorded color is what powers the swatch here and the dupes further down.
ILNP released it as part of the Boutique Effect · Ultra Chrome collection.
The nearest shades to Birefringence across other brands in the Index, ranked by color distance. Not sponsored, not guessed: measured from each polish's recorded color.
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Its closest color match in the Index right now is Poolside by Kiara Sky. The full list of near matches is below, ranked by how close each one sits to this shade.
Butyl Acetate, Ethyl Acetate, Nitrocellulose, Adipic Acid / Neopentyl Glycol / Trimellitic Anhydride Copolymer, Acetyl Tributyl Citrate, Isopropyl Alcohol, Stearalkonium Bentonite, Acrylates Copolymer, Styrene / Acrylates Copolymer, Silica, Benzophenone-1, Trimethylpentanediyl Dibenzoate | May contain: Titanium Dioxide (CI 77891), Iron Oxides (CI 77489, CI 77491, CI 77492, CI 77499), Red 6 (CI 15850), Red 7 (CI 15850), Red 34 (CI 15880), Yellow 5 (CI 19140), Blue 27 (CI 75510), Black 2 (CI 77266), Mica, Aluminum Powder (CI 77000)
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Gelish
I Was Framed
98% match
Shockwave