O.TWO.O Dual-Ended Stamp Liquid Eyeliner – Waterproof Cat Eye

Create flawless cat-eye wings in seconds with the O.TWO.O Dual-Ended Wing Stamp Liquid Eyeliner. Designed for both beginners and makeup lovers, this clever double-ended pen combines a precision liquid liner with a pre-shaped wing stamp — so you get perfectly symmetrical, upward-curled wings every single time, no artist skills required.

This product is a cosmetic item. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

✨ Key Features

• 🎯 Dual-Ended Design: One end houses the flexible sponge wing stamp for instant cat-eye definition; the other delivers a fine-tip precision liquid liner for detailed lining, inner corners, and touch-ups. Stamp and line — beautiful eye makeup in seconds!
• 🖌️ Beginner-Friendly Wing Stamp: The soft, flexible sponge tip is gentle and won't fray under light pressure. One confident press creates a symmetrical, perfectly angled wing — no wobbly lines, no frustration.
• ✍️ Smooth, Intense Liquid Liner: The precision liner delivers rich, deep black pigment in a single smooth stroke. No skipping, no breakage — just clean, sharp lines exactly where you want them.
• ⚡ Quick-Dry Formula: Dries rapidly to form a protective film that locks colour in place for all-day wear, from morning to night without fading.
• 💧 Waterproof & Sweat-Resistant: Stays put through humidity, heat, and the unexpected — no smudging, no transferring, no touch-ups needed.
• 🌟 Long-Lasting Wear: Up to 18 months after opening with a 3-year shelf life. Formulated with no high-concern chemicals (GZZZ certified).

📋 Specifications

• Brand: O.TWO.O
• Model: 1019
• Formulation: Liquid
• Net Weight: 20g
• Quantity: 1 PC (Double-ended pen)
• Waterproof: Yes
• Period After Opening: 18 months
• Shelf Life: 3 years
• Country of Origin: Made in China

💡 How to Use

1. Shake gently before use to ensure even ink flow.
2. Use the wing stamp end: press the pre-shaped stamp at the outer corner of your eye at a slight upward angle for an instant cat-eye wing.
3. Use the precision liner end: draw along your lash line, fill in any gaps, or refine the wing for a seamless finish.
4. Allow a few seconds to dry completely, then layer eyeshadow or mascara as desired.
5. Remove with an oil-based or waterproof makeup remover.

🎁 Perfect For

• Makeup beginners learning winged liner
• On-the-go touch-ups and everyday wear
• Bold cat-eye, subtle liner, or dramatic evening looks
• Gifting to any makeup enthusiast

Explore More Eye Makeup Essentials

• Looking to up your beauty game? Check out our full range of makeup tools and accessories.
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• Explore our 0.3ml & 0.5ml Hyaluron Pen Ampoule Head Cartridge for your skincare routine.

For general eye health and safe cosmetic use, visit the FDA's Eye Cosmetic Safety guide.

Frequently Asked Questions

Q: Is the O.TWO.O stamp eyeliner suitable for beginners?

A: Absolutely! The O.TWO.O dual-ended stamp liquid eyeliner is specifically designed with beginners in mind. The pre-shaped wing stamp creates a symmetrical cat-eye wing with just one press, eliminating the need for a steady hand or advanced technique. The flexible sponge tip is forgiving and easy to control.

Q: How long does the O.TWO.O eyeliner last once applied?

A: The quick-dry, waterproof formula locks colour in place for all-day wear. It is sweat-resistant and smudge-proof, making it ideal for long days, warm weather, or any occasion where you need your liner to stay flawless from morning through evening.

Q: How do I remove the O.TWO.O waterproof liquid eyeliner?

A: Because this eyeliner is waterproof and long-lasting, we recommend using an oil-based or dedicated waterproof makeup remover. Soak a cotton pad and hold it gently over the eye area for a few seconds before wiping away — avoid rubbing to protect your lashes and delicate eye area.

Q: Does this eyeliner contain any high-concern chemicals?

A: No. The O.TWO.O stamp liquid eyeliner is certified GZZZ (YGZWBZ) and contains no high-concern chemicals, offering a safer formula for regular everyday use.