Physicians Formula Eye Booster Super Slim Liquid Waterproof Eyeliner - Ultra Black - 0.013 fl oz
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$9.99
$5 Target GiftCard with $30 beauty products purchase
4.4 out of 5 stars with 652 ratings
$5.49
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4.5 out of 5 stars with 1051 ratings
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4.9 out of 5 stars with 93 ratings
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4.5 out of 5 stars with 943 ratings
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4.9 out of 5 stars with 103 ratings
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Guests are saying
This eyeliner is highly praised for its smooth application, long-lasting wear, and precision, making it ideal for both everyday use and special occasions. Guests appreciate its waterproof formula, which prevents smudging, and the fine tip that allows for detailed designs. The attractive packaging and ease of use further enhance its appeal, making it a favorite among makeup enthusiasts. Overall, it stands out as a reliable choice for achieving flawless eye looks.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.7 out of 5 stars with 103 reviews
easy to apply: 4.83 out of 5
easy to remove: 4.8 out of 5
long lasting: 4.83 out of 5
quality: 4.67 out of 5
value: 4.83 out of 5
87% would recommend
8 recommendations
1 out of 5 stars
Thumbs down graphic, would not recommend
22 October, 2025Verified purchase
heartbreak
the older pics look like this was once a robust brush that made a robust line but not so anymore. this is a teeny tiny brush that waffles way too much on application and barely leaves a trace of a line, very light pigment...way too fine a line (if it were more pigmented, the super fineness wld be good actually!) & way to hard to even get that. and added to my dismay, it's def not waterproof anymore. it raccons thru my workout. if ur expecting it to look like other reviewers pics like i was, prepare to be disappointed. not worth 9 bucks.
4 out of 5 stars
Thumbs up graphic, would recommend
16 August, 2025
Formula great, bristles sometimes wonky
Formula is fantastic and truly waterproof. I have used this brand eye liner (and regular version) for years. One star deducted because of the brush. This isn't an issue every time, but occasionally I will get a brush that will not go back in the container straight and then the bristles get wonky (bent). Once that happens, there's no way to straighten it and it's a mess to use. I've had to throw away several due to this unfortunate issue. Perhaps make the bristles a bit more firm, PF?
5 out of 5 stars
Thumbs up graphic, would recommend
9 August, 2025Verified purchase
- Skin tone: Medium
- Skin type: Oily
- Skin concern: Acne, Redness, Pores, Sensitivity
- Hair color: Black
- Eye color: Brown
BUY IT for those perfect wings and cat eyes
BUY IT! Switched from another big brand name that rhymes with foolani. After so many years of using the other one, the company, for some reason, switched up the formula and ruined it for me. I love this one because it's waterproof, love the tip, which works for fine line or bold look! Although it is waterproof, it's not tough to remove. It does not smudge after all day wear, it glides on beautifully and dries quickly. I do have to say that I use it over a primer.
4 out of 5 stars
1 June, 2025Verified purchase
So smooth
Really is a great eyeliner, smooth and deep black. Unfortunately I find it a bit hard to remove and I think I'm a little allergic. I'm very sensitive so I'll just keep it off my upper lid line and still use it for a cat eye
5 out of 5 stars
Thumbs up graphic, would recommend
28 December, 2024Verified purchase
- Eye color: Brown
- Skin type: Normal
- Hair color: Brunette
- Skin tone: Medium
- Skin concern: Uneven skin tone, Dullness
Its a great product
I’m shocked at how good this is and how little anyone talks about it. Lasts a long time, the tip is fine and it’s blackkkk.
5 out of 5 stars
3 November, 2024
originally posted on Physicians Formula
Great Product
Love this eyeliner! Goes on smoothly, and stays all day. No itchy and watery eyes —I will purchase again.
5 out of 5 stars
3 November, 2024
originally posted on https://www.physiciansformula.com/

Great Product
Love this eyeliner! Goes on smoothly and stays all day. No itchy and watery eyes —I will purchase again.
5 out of 5 stars
15 December, 2023
originally posted on Physicians Formula
Great long-lasting formula
I've been using this eyeliner for the past 4 years. It stays one very well and doesn't smear. Super happy with the formula, and would recommend!
5 out of 5 stars
14 December, 2023
originally posted on https://www.physiciansformula.com/

Great long-lasting formula
I've been using this eyeliner for the past 4 years. It stays one very well and doesn't smear. Super happy with the formula and would recommend!
2 out of 5 stars
19 November, 2023
originally posted on Physicians Formula
Damaged or defective product
I had used the product before. However, the black ink just came out everywhere and everything was a mess on my ink-filled hands. I think this product is defective, I had to throw it away.
5 out of 5 stars
Thumbs up graphic, would recommend
9 November, 2023Verified purchase
Perfect Eyeliner
Best Liner ever! I am not a pro and this worked perfectly. Stayed on! Amazing product!
5 out of 5 stars
Thumbs up graphic, would recommend
16 October, 2023Verified purchase
- Skin tone: Light
- Hair color: Brunette
- Eye color: Hazel
Great!
Great, Affordable eyeliner. A lot better the expensive brands I've used.
5 out of 5 stars
29 August, 2023
originally posted on Physicians Formula
Sharpest wing!!!
Holy grail! I have been searching for the sharpest and inkiest liner and finally found it! Thank you PF for making the best!
5 out of 5 stars
29 August, 2023
originally posted on https://www.physiciansformula.com/

Sharpest wing!!!
Holy grail! I have been searching for the sharpest and inkiest liner and finally found it! Thank you PF for making the best!
5 out of 5 stars
Thumbs up graphic, would recommend
18 July, 2023Verified purchase
- Skin tone: Medium
Thin, dark, easy to apply
I love how thin and dark the lines come out. And i like that you dont have to dip it in the container to get more ink— just shake it to release ink. Stays on pretty well throughout the day. Not waterproof. Cleans off easily.
1 out of 5 stars
14 July, 2023
originally posted on Physicians Formula
Not Happy
I don't care for the water proof and its way to dark. I thought I could use black but brown color is all I can use. It is terrible that everything has to be in black. I think it is biased.
1 out of 5 stars
14 July, 2023
originally posted on https://www.physiciansformula.com/

Not Happy
I don't care for the water proof and its way to dark. I thought I could use black but brown color is all I can use. It is terrible that everything has to be in black. I think it is biased.
5 out of 5 stars
Thumbs up graphic, would recommend
11 June, 2023Verified purchase
- Hair color: Brunette
- Eye color: Brown
- Skin type: Oily
- Skin tone: Light
Great find/buy
Nice and thin line, great liquid liner.
5 out of 5 stars
22 February, 2023
originally posted on Physicians Formula
Super slim liquid eyeliner
[This review was collected as part of a promotion.] I LOVE this eyeliner! It's waterproof! It's super slim! And the product is gorgeous! I have always loved physicians formula. And I will continue to keep this brand in my makeup bag. I one hundred percent recommend.
5 out of 5 stars
22 February, 2023
Super slim liquid eyeliner
[This review was collected as part of a promotion.] I LOVE this eyeliner! It's waterproof! It's super slim! And the product is gorgeous! I have always loved physicians formula. And I will continue to keep this brand in my makeup bag. I one hundred percent recommend.