H2O Proof Inkwell Eyeliner delivers bold, graphic eye looks with total control, and is a standout choice for anyone seeking a long-lasting, waterproof liquid eyeliner. This version in Black is designed to define and intensify your eyes with a precision felt-tip wand that draws clean, precise lines in a single swipe. Ideal for makeup lovers who want a pigment-rich, matte finish that stands up to humidity and activity without frequent touch-ups.
Key benefits
- Waterproof liquid eyeliner in an easy-to-use inkwell format that reduces runny color in sweaty or humid conditions.
- Delivers high-pigment, matte-finish color in one swipe for bold, eye-popping looks.
- Long-lasting, quick-drying formula helps you achieve sharp lines with minimal effort.
- Precision felt-tip wand enables thin, precise lines or thick, dramatic cat eyes in one motion.
- Free from phthalates, parabens, nonylphenol ethoxylates, triclosan, tricloclban and hydroquinone; 100% vegan and cruelty-free with Leaping Bunny Certification.
Ingredients and why they matter
- Water (Aqua) — the base that keeps the formula fluid for smooth application.
- Styrene/Acrylates Copolymer — provides film-forming properties for lasting color adherence.
- Silica — helps with pigment dispersion for a matte finish and smoother glide.
- Butylene Glycol — a humectant that helps maintain product consistency and comfort on the skin.
- Glycerin — a skin-conditioning humectant that supports a comfortable feel during wear.
- Ceteareth-25 — an emulsifier that stabilizes the formula for even pigment distribution.
- Propandiol, Phenoxyethanol, 1,2-Hexanediol — preservatives and humectants that help maintain product integrity.
- Peg-40 Hydrogenated Castor Oil — a modifier that aids product spread and feel on the eyelid.
- Sodium Dehydroacetate, Caprylyl Glycol, Ethylhexylglycerin — conditioning and preservation components that help extend shelf life.
- Tocopheryl Acetate (Vitamin E) — provides antioxidant benefits and skin conditioning.
- May contain: Black 2 (CI 77266) (Nano), Ultramarines (CI 77007) — colorants used to achieve the deep black pigment.
Usage tips and who this is for
- Shake well before use to ensure pigment is evenly distributed in the inkwell.
- Remove any excess ink from the applicator on the pot’s inner edge before drawing lines with the felt tip.
- Good for creating thin, precise lines or bold, dramatic cat eyes in a single stroke.
- Test on a small area of skin before first use to check for any sensitivity.
- Store in a cool, dry place and keep out of reach of children.
In addition to its high-pigment formula, this eyeliner is proudly vegan, cruelty-free, and Leaping Bunny Certified, reflecting a commitment to kindness and responsible beauty practices.
Whether you’re aiming for a clean line or a bold wing, this waterproof inkwell eyeliner is built to perform across various makeup looks while supporting a high-standard ingredient approach.
The H2O Proof Inkwell Eyeliner in Black stands up to wear, but follow the included product instructions for best results and avoid applying on irritated skin.
Disclaimer: This product is not intended to diagnose, treat, cure, or prevent any disease. Always read and follow the product label. Consult a healthcare professional if you have any health concerns.


















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