Physicians Formula Eye Booster Super Slim Liquid Eyeliner – Sensitive Eye Safe Liner, Hypoallergenic and Ophthalmologist-Friendly Formula
Physicians Formula Eye Booster Super Slim Liquid Eyeliner – Sensitive Eye Safe Liner, Hypoallergenic and Ophthalmologist-Friendly Formula
In stock
Couldn't load pickup availability
Share
Why you'll love it
- Safe for sensitive eyes and skin — hypoallergenic and free from 150+ harsh ingredients common in other eyeliners
- Aligned with cruelty-free and vegan values without sacrificing pigment or wear time
- Lash-Boosting Complex conditions and strengthens lashes with every application, adding skincare value to makeup
- Waterproof, quick-dry, smudge-proof formula holds up through long days, sweat, and humidity
- Ultra-fine brush tip gives maximum control for both natural lines and dramatic wings in one product
- Color variety (Ultra Black, Blackest Black, Black, Deep Brown) lets users match intensity to skin tone and occasion
Perfect for
- Creating precise winged eyeliner and cat-eye looks with an ultra-fine brush tip
- Long-wear, smudge-proof eyeliner for all-day work, events, or humid weather
- Daily eye makeup for users with sensitive skin, eyes, or contact lenses
- Travel-friendly liquid eyeliner application on-the-go thanks to the slim tube format
- Building a precise, natural daytime line or a bolder evening look from a single product
Elevate your eye game with Physicians Formula Eye Booster Super Slim Liquid Eyeliner. With its super slim brush, it provides maximum control and precise application, giving you the exact look you're going for. Plus, it's waterproof so your look will stay in place all day.
- Lash-Boosting Complex: The high-quality ingredients in this eyeliner not only enhance your look but also work to boost the health of your lashes.
- Sensitive Skin Approved: Made with sensitive skin in mind, this eyeliner is gentle and won't irritate even the most delicate skin types.
- Cruelty-Free & Vegan: This product is not tested on animals and is completely vegan-friendly for those who want a product that is both ethical and effective.
The Physicians Formula Eye Booster Super Slim Liquid Eyeliner boasts a natural finish that complements any makeup look. Whether you're going for a bold or subtle eye statement, this eyeliner has got you covered!
- Made In China by Markwins Beauty Brands: This top-quality liquid liner was made by experts who care about delivering only the best to their customers around the world.
You can't get much finer than this! Apply this easy-to-use liquid eyeliner for any style from natural lines to showstopping cat eye and wings.
This amazing eye-enhancing product was designed for adults looking to create bold or subtle looks without having to worry about smudging or smearing throughout their busy day!
Frequently Asked Questions
Is this eyeliner safe for people with sensitive eyes?
Yes. It's hypoallergenic and approved for sensitive eyes, and it's free from 150+ harsh ingredients commonly found in other eyeliners, making it a strong choice for reactive, easily irritated eyes.
Can contact lens wearers use this liner without irritation or flaking?
The formula is suitable for contact lens wearers. The quick-dry, smudge-proof finish helps prevent flaking into the eye, reducing the risk of lens discomfort throughout the day.
Does the waterproof formula use any harsh chemicals I should be worried about?
It's formulated without 150+ ingredients often flagged as harsh, and it's still waterproof, smudge-proof, and quick-drying — so you get long wear without relying on aggressive chemicals.
Will the lash-conditioning complex be safe to use close to the eye daily?
The Lash-Boosting Complex is designed to condition and strengthen lashes within a sensitive-eye-approved formula, so it's intended for daily use along the lash line without causing irritation.
Is the brush tip safe and gentle enough for the inner rim or waterline?
The ultra-fine precision brush tip is designed for the lash line. For waterline use, check the packaging directions, but for everyday lash-line application, the gentle, hypoallergenic formula is safe for sensitive eyes.
Is this safer than using an open-flame candle or warmer for eye-area routines?
Unlike a candle or wax warmer near your face, this is a cosmetic applied directly to the lash line with no flame, no heat, and no airborne irritants, so it eliminates fire and inhalation risks during your eye routine.
Is it safer than a basic drugstore pencil that I'm not sure is hypoallergenic?
If you can't confirm what's in your current pencil, switching to a clearly labeled hypoallergenic liner that is free from 150+ harsh ingredients gives you more transparency and a lower risk of reaction.
Is it safer than waterproof mascaras that can be harsh to remove?
While removal depends on the formula you pair it with, the gentle, sensitive-eye-approved composition of this liner is designed to be kinder to the eye area than many heavy waterproof mascaras that require aggressive rubbing to remove.
Is the cruelty-free and vegan status important for safety or just ethics?
Cruelty-free and vegan status is primarily an ethical standard, but it also typically means the formula avoids certain animal-derived ingredients and harsh additives, which often overlaps with sensitive-skin-safe formulations.
How does it compare to using a kohl or kajal that may contain heavy metals?
Traditional kohl and kajal can contain unregulated colorants and heavy metals. This Physicians Formula liner is developed as a sensitive-eye-approved cosmetic with transparent ingredient standards, offering a safer modern alternative.
How does it compare to permanent or semi-permanent eyeliner tattoos for safety?
Unlike tattooing, this non-permanent liquid liner carries no risk of long-term pigment migration, scarring, or invasive procedures, and it can be removed if it ever causes a reaction.
How does it compare to lash-extension adhesives for someone worried about eye safety?
Lash adhesives can cause allergic reactions in some wearers. This liner avoids glue contact entirely and uses a gentle, hypoallergenic formula applied only along the lash line, reducing the risk of adhesive-related irritation.
What if I've had reactions to other eyeliners — how do I know this one is truly safe?
The hypoallergenic, 150+ ingredient-free formulation is specifically designed for sensitive eyes, but if you have a history of strong reactions, doing a small patch test along the lash line before full application is always a smart safety step.
What if I'm worried about smudging causing eye infections over time?
The smudge-proof, quick-dry formula is designed to stay where you put it, which reduces the chance of pigment migrating into the eye and minimizes the daily irritation that can contribute to discomfort or infection risk.
Is the product safe to use during pregnancy or while breastfeeding?
The formula is hypoallergenic and free from 150+ harsh ingredients, but as with any cosmetic during pregnancy or nursing, you should review the full ingredient list with your healthcare provider before use.
What if the tube leaks in my bag — is the formula safe for skin contact?
The formula is designed for use on the eye area, so incidental skin contact from a small leak is not a concern, though you should wipe the tip clean before reuse to keep the application hygienic and precise.
How do I apply the Physicians Formula Eye Booster Super Slim Liquid Eyeliner for a clean winged look?
Start at the inner corner of your upper lash line and draw a thin line outward with short, connected strokes. Once you reach the outer corner, angle the brush upward and outward to sketch the wing shape, then trace back along the lash line to connect it. Let it dry for a few seconds — the quick-dry formula will set in place without smudging.
How do I remove this waterproof eyeliner without irritating my eyes?
Soak a cotton pad with a gentle, oil-based or bi-phase eye makeup remover, press it against your closed eye for 10–15 seconds to dissolve the formula, then wipe away softly without rubbing. Follow with your regular cleanser to remove any residue.
How long does the eyeliner typically last once applied?
The waterproof, smudge-proof formula is designed for all-day wear, generally holding up through work, events, sweat, and humidity without transferring or fading.
Is this eyeliner compatible with contact lenses?
Yes. The hypoallergenic, sensitive-eye-approved formula is suitable for contact lens wearers, and the smudge-proof finish helps prevent flaking into the eye during the day.
Can I use this liner with magnetic lashes, false lashes, or lash extensions?
Yes. You can apply the liner along your natural lash line before applying false lashes or lash extensions, and the precision brush tip also works well for filling in gaps between natural lashes and lash extensions.
What comes in the box when I order the eyeliner?
Each order includes the Physicians Formula Eye Booster Super Slim Liquid Eyeliner in your selected shade and size, with the 2-pack option including two tubes. No additional accessories are required to start using the product.
Is the formula safe to use every day?
Yes. The hypoallergenic, 150+ ingredient-free composition is designed for daily use on sensitive eyes, though if you notice any reaction, discontinue use and consult a healthcare professional.
What should I do if the brush tip feels dry or the formula stops flowing?
Store the tube cap-side down to keep the brush tip saturated, and gently shake the tube before use. If the formula still doesn't flow, the tip may simply need a quick wipe to remove any dried product before continuing.
What's the difference between a liquid eyeliner and a pencil or gel eyeliner?
Liquid eyeliner with a fine brush tip delivers the sharpest, most precise lines and wings, tends to be the most long-wearing and smudge-proof, and is ideal for detailed looks. Pencil liners offer a softer, smudgier finish that is easier to blend, while gel liners sit between the two but usually require a separate brush.

