If you've ever stared at a lash box and wondered what the letter means, here's your answer: the letter tells you how much the lash curls upward. J is the straightest (15–20°), B is a gentle lift (25–30°), C is the classic open-eye look (40–45°), and D is full-on drama (55–60°). For most people, C is the safest all-rounder; if you have hooded eyes, pick C; round eyes do best with B or C; deep-set eyes usually suit B; and monolids or straight lashes shine with C or D.

THE 4 CURL TYPES, EXPLAINED LIKE YOU'RE TALKING TO A FRIEND

• J curl: Almost straight. The lash lifts just a few degrees at the tip, around 15–20 degrees. It looks like your natural lashes on a no-makeup day.
• B curl: A gentle, natural bend — about 25–30 degrees. It opens the eye slightly without looking curled.
• C curl: The most popular. A 40–45 degree curve that gives a lifted, awake look. It's the "your lashes but better" of the lash world.
• D curl: A dramatic 55–60 degree curve. It's a full-on doll look, visible from across the room.

THE RIGHT CURL FOR YOUR EYE SHAPE — WITHOUT THE GUESSWORK

• Straight or monolid eyes: C or D curl. The stronger curve prevents the lash from hiding behind the lid.
• Hooded eyes: C curl. It lifts the eye without pushing past the hood and drooping.
• Round eyes: B or C curl. You already have openness; a gentle curl is all you need.
• Deep-set eyes: B curl. A strong curl will hit your brow bone.
• Downturned eyes: C curl focused on the outer corner. It visually lifts the outer edge.

HOW TO READ A LASH BOX LIKE A PRO

Lash boxes list three things: curl, length, and density. A box that says "C-12mm" means a C curl with 12mm lashes. "D-14mm volume" means a dramatic curl, long length, and dense fan. If a box only says "wispy" or "natural," it's marketing, not information. Look for the numbers.

WHAT TO LOOK FOR IN A LASH CURL

Match the curl to your eye shape first, then to your makeup style. If you wear minimal makeup, B curl will blend with your natural lashes. If you wear shadow and liner, C curl holds its own. And always check that the curl is consistent across the full strip — a lash with a kink in the middle will never sit right.

CURL TYPES AT A GLANCE

Curl	Curve Angle	Look	Best For
J	15–20°	Natural, straight	No-makeup days
B	25–30°	Gentle lift	Work, daytime
C	40–45°	Open, lifted	Most eye shapes
D	55–60°	Doll, dramatic	Nights out, photos

FAQ

Which curl looks most natural?

J or B. J is nearly straight; B gives a subtle lift. Both look like your natural lashes.

Which curl opens hooded eyes best?

C curl. It provides enough lift to show above the hood without curling back into the lid. Our style guides cover more eye-shape tips.

Can I mix curl types?

Yes. Some people use C curl on the outer corner and B curl in the inner corner for a custom eye shape. It's an advanced move, but it works.

WHAT TO LOOK FOR IN A LASH SYSTEM

Choosing the right curl is only half the battle. The way lashes are made matters just as much. Look for a system that:

• Holds the curl consistently across the strip — no kinks or uneven tips.
• Uses a flexible, comfortable band that follows your lash line.
• Secures without glue, magnets, or liner — those methods can pull, irritate, or fail mid-wear.
• Is hypoallergenic and waterproof, so your eyes feel good and your look stays put.
• Can be reused over and over without losing shape or curling.

If a lash product can't hold its curl after multiple wears, the curl type doesn't matter.

PHANSTA LASHES: THE SOLUTION YOUR EYE SHAPE DESERVES

You now know exactly which curl works for your eyes. What you need next is a lash that delivers that curl flawlessly — without the glue, magnets, or liner that can ruin the look. PHANSTA LASHES were built for this. Our micro-adhesion technology applies in seconds and holds securely for 30+ wears, so you get the exact curve you picked, every time. With 17 styles to choose from — including J, B, C, and D curls — you'll find a match for your eye shape at $59. That's under $2 per wear, and because they're hypoallergenic and waterproof, they'll feel as good as they look.

No glue. No magnets. No liner. Just the curl you chose, exactly as it was designed.

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