{"product_id":"otwoo-waterproof-liquid-eyeliner-ultra-fine-12-hour-black","title":"O.TWO.O Waterproof Liquid Eyeliner – Ultra Fine 12-Hour Black","description":"\n\u003cp\u003eMeet your new go-to liner: the \u003cstrong\u003eO.TWO.O Ultra Fine Liquid Eyeliner\u003c\/strong\u003e. Engineered for bold, precise definition, this professional-grade pen delivers streak-free lines in a single confident stroke — whether you're going for a subtle everyday look or a dramatic cat-eye wing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12-Hour Long-Lasting Wear:\u003c\/strong\u003e Continuous-flow ink formula keeps your look intact all day and into the night.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Smudge-Proof:\u003c\/strong\u003e Advanced waterproof film technology locks colour in place so your liner stays exactly where you put it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick-Drying Formula:\u003c\/strong\u003e Dries on contact for crisp, clean lines — no smearing, no waiting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Fine Flexible Tip:\u003c\/strong\u003e The hair-thin precision tip flexes with your hand, letting you control line thickness from a razor-thin flick to a bold, graphic stroke — perfect for beginners and pros alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntensely Pigmented Carbon Black:\u003c\/strong\u003e Rich, deep black colour with up to 300 metres of smooth, continuous ink flow thanks to the carbon black formulation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Coagulation Ball Design:\u003c\/strong\u003e A built-in stirring ball prevents ink from settling, ensuring consistent, even output every time you use it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFormulation: Liquid\u003c\/li\u003e\n  \u003cli\u003eColour: Intense Black\u003c\/li\u003e\n  \u003cli\u003eNet Weight: 0.5 ml \/ 0.5 g\u003c\/li\u003e\n  \u003cli\u003eShelf Life: 3 Years (36 months after opening)\u003c\/li\u003e\n  \u003cli\u003eWear Time: Up to 12 Hours\u003c\/li\u003e\n  \u003cli\u003eTip: Ultra-fine hair-tip precision nib\u003c\/li\u003e\n  \u003cli\u003eWaterproof: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFull Ingredient List\u003c\/h2\u003e\n\u003cp\u003eAcrylates Copolymer, Water, Styrene\/Acrylates Copolymer, CI 77266, 1,2-Hexanediol, Butylene Glycol, Laureth-21, Aloe Barbadensis Extract, Methylparaben, Sodium Dehydroacetate, Ethylhexylglycerin.\u003c\/p\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eShake gently before use to activate the anti-coagulation ball for smooth ink flow.\u003c\/li\u003e\n  \u003cli\u003eStart from the inner corner of the eye and glide the ultra-fine tip along your lash line.\u003c\/li\u003e\n  \u003cli\u003eApply light pressure for a fine line; press slightly more for a bolder stroke.\u003c\/li\u003e\n  \u003cli\u003eFor arrows or a cat-eye flick, angle the tip upward at the outer corner and draw your desired shape.\u003c\/li\u003e\n  \u003cli\u003eAllow a moment to dry — the quick-dry formula sets almost instantly.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × O.TWO.O Ultra Fine Liquid Eyeliner Pen (Black)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eMade in China.\u003c\/p\u003e\n\n\u003ch2\u003eComplete Your Eye Look\u003c\/h2\u003e\n\u003cp\u003ePair this liner with these fan favourites from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ampoule-head-shock-absorbing-cap-adapter-03ml-05ml-hyaluronic-pen\"\u003e0.3ml \u0026amp; 0.5ml Ampoule Head Cap Adapter for Hyaluron Pen\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-3ml-0-5ml-ampoule-head-cartridge-hyaluron-pen-skin-care\"\u003e0.3ml \u0026amp; 0.5ml Hyaluron Pen Ampoule Head Cartridge | Skin Care\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExpert Reference\u003c\/h2\u003e\n\u003cp\u003eFor guidance on evaluating cosmetic ingredients and safety, visit the \u003ca href=\"https:\/\/www.fda.gov\/cosmetics\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. Food \u0026amp; Drug Administration – Cosmetics page\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: Is the O.TWO.O liquid eyeliner truly waterproof and smudge-proof?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The O.TWO.O liquid eyeliner uses a waterproof film smart-lock technology that seals the ink on contact with your skin. It is formulated to resist water, humidity, and everyday wear for up to 12 hours without smudging or fading.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this eyeliner suitable for beginners?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The ultra-fine flexible tip is designed to be beginner-friendly — it flexes gently with the natural movement of your hand, making it easy to draw smooth, even lines even if you're new to liquid liner. You can build from thin to bold lines simply by adjusting your pressure.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I remove the O.TWO.O liquid eyeliner at the end of the day?\u003c\/h4\u003e\n\u003cp\u003eA: Although the formula is waterproof, it can be removed with a gentle oil-based makeup remover or micellar water. Apply to a cotton pad, hold briefly against the liner to dissolve it, then wipe away gently without rubbing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the shelf life of this eyeliner?\u003c\/h4\u003e\n\u003cp\u003eA: The O.TWO.O liquid eyeliner has a shelf life of 3 years (36 months after opening). Store it with the cap tightly closed in a cool, dry place away from direct sunlight to maintain optimal performance.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the O.TWO.O liquid eyeliner truly waterproof and smudge-proof?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The O.TWO.O liquid eyeliner uses a waterproof film smart-lock technology that seals the ink on contact with your skin. It is formulated to resist water, humidity, and everyday wear for up to 12 hours without smudging or fading.\"}}, {\"@type\": \"Question\", \"name\": \"Is this eyeliner suitable for beginners?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The ultra-fine flexible tip is designed to be beginner-friendly — it flexes gently with the natural movement of your hand, making it easy to draw smooth, even lines even if you're new to liquid liner. You can build from thin to bold lines simply by adjusting your pressure.\"}}, {\"@type\": \"Question\", \"name\": \"How do I remove the O.TWO.O liquid eyeliner at the end of the day?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Although the formula is waterproof, it can be removed with a gentle oil-based makeup remover or micellar water. Apply to a cotton pad, hold briefly against the liner to dissolve it, then wipe away gently without rubbing.\"}}, {\"@type\": \"Question\", \"name\": \"What is the shelf life of this eyeliner?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The O.TWO.O liquid eyeliner has a shelf life of 3 years (36 months after opening). Store it with the cap tightly closed in a cool, dry place away from direct sunlight to maintain optimal performance.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Eye Makeup\", \"item\": \"https:\/\/oasis-select.com\/collections\/eye-makeup\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"O.TWO.O Waterproof Liquid Eyeliner – Ultra Fine 12-Hour Black\", \"item\": \"https:\/\/oasis-select.com\/products\/otwoo-waterproof-liquid-eyeliner-ultra-fine-12-hour-black\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"Eyeliner 3 \/ Russian Federation","offer_id":47748980146281,"sku":"200001176:200000195#Eyeliner 3;200007763:201336103","price":10.51,"currency_code":"USD","in_stock":true},{"title":"Eyeliner 4 \/ Russian Federation","offer_id":47748980179049,"sku":"200001176:200005536#Eyeliner 4;200007763:201336103","price":10.51,"currency_code":"USD","in_stock":true},{"title":"Eyeliner 4 \/ China Mainland","offer_id":47748980211817,"sku":"200001176:200005536#Eyeliner 4;200007763:201336100","price":10.51,"currency_code":"USD","in_stock":true},{"title":"Eyeliner 2 \/ Russian Federation","offer_id":47748980244585,"sku":"200001176:1254#Eyeliner 2;200007763:201336103","price":10.51,"currency_code":"USD","in_stock":true},{"title":"Eyeliner 3 \/ China Mainland","offer_id":47748980277353,"sku":"200001176:200000195#Eyeliner 3;200007763:201336100","price":10.51,"currency_code":"USD","in_stock":true},{"title":"Eyeliner 2 \/ China Mainland","offer_id":47748980310121,"sku":"200001176:1254#Eyeliner 2;200007763:201336100","price":10.51,"currency_code":"USD","in_stock":true},{"title":"Eyeliner 1 \/ China Mainland","offer_id":47748980342889,"sku":"200001176:200004889#Eyeliner 1;200007763:201336100","price":10.51,"currency_code":"USD","in_stock":true},{"title":"Eyeliner 1 \/ Russian Federation","offer_id":47748980375657,"sku":"200001176:200004889#Eyeliner 1;200007763:201336103","price":10.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S5006b79f9d29456ebe662f4504ddd962F.webp?v=1783090950","url":"https:\/\/oasis-select.com\/products\/otwoo-waterproof-liquid-eyeliner-ultra-fine-12-hour-black","provider":"Oasis Select","version":"1.0","type":"link"}