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Cils Booster XL Vitamin-Infused Mascara Primer, sales video thumbnail

Cils Booster XL Vitamin-Infused Mascara Primer

Lancôme

Current Price $30.00
Final Sale—no returns or exchanges 
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Highlights

  • Volumizing
  • Lengthening

Details & care

What it is: A vitamin-infused eyelash primer that glides on and coats your lashes in one sweep, maximizing the results of your favorite mascara.

What it does: The conditioning, clump-free eyelash primer adds length, curl and volume to your natural eyelashes. Its formula features microfibers along with vitamin E to help stimulate eyelash growth and help add extra length and thickness for a visible improvement on the performance of your mascara, completing your eye makeup look.

How to use: Apply one or two coats, working the eyelash brush from lash base to tip in a zigzag motion. Follow with several coats of mascara. It can also be used as a nighttime deep conditioning treatment for your eyelashes.

Pro tips: For best results, apply your mascara when Cils Booster XL is still fresh on the lash. It will go on smoothly, creating more length and better separation than your mascara on its own.

- 0.19 oz.

- Winner of Allure's 'Best of Beauty' Award for Best Lash Primer, 2021

  • Item #149165

Ingredients

Aqua/Water/Eau, Oryza Sativa Cera/Rice Bran Wax, Copernicia Cerifera Cera/Carnauba Wax/Cire De Carnauba, Cera Alba/Beeswax/Cire Dabeille, Stearic Acid, Candelilla Cera/Candelilla Wax/Cire De Candelilla, Triethanolamine, Palmitic Acid, Acacia Senegal/Acaci
Ingredients are subject to change at the manufacturer's discretion. For the most complete and up-to-date list of ingredients, refer to the product packaging

Shipping & returns

This item qualifies for free shipping on orders over $89. View Shipping & Returns Policy.

This item is Final Sale and is not eligible for returns or exchanges.

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Lancôme

For more than 80 years, luxury beauty brand Lancôme has epitomized glamour with a quintessential French touch. Quality skin care, timeless style and scientifically proven results secure its reputation as a makeup authority and skin care innovator, not merely keeping pace but surpassing expectations by continually taking science and creativity to new levels.

Reviews

(3375)
4.8 out of 5
Write a Review

Most helpful positive review

Feb 7, 2026
Long Time Favorite
I have used this for many years. Gives more volume to the mascara and keeps it on all day.
Anonymous
Verified purchase
Reposted from lancome-usa.com

Most helpful critical review

Feb 7, 2026
Disappointed
I purchased this product as a package, which included a mascara - I really wanted to try the mascara conditioning primer after reading so many great reviews. I am really disappointed with it - it seems as if it’s almost completely dried up, I can barely get any product out of the tube, and it doesn’t do anything for my lashes. I’ll stick with my previous primer, which is less than half the price.
kgn7
Reposted from lancome-usa.com

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5 stars
88%
4 stars
9%
3 stars
2%
2 stars
1%
1 star
1%
Sort by Most Helpful
Nordylover
Verified purchase
Apr 21, 2020
Not what I expected
This has a scratchy terry cloth towel like fabric on the inside. Not what I was expecting. Might work as an after beach or pool coverup but definitely not that warm cozy fleece feeling.
3found this helpful
Anonymous
Reposted from lancome-usa.com
Verified purchase
Feb 7, 2026
Long Time Favorite
I have used this for many years. Gives more volume to the mascara and keeps it on all day.
kgn7
Reposted from lancome-usa.com
Feb 7, 2026
Disappointed
I purchased this product as a package, which included a mascara - I really wanted to try the mascara conditioning primer after reading so many great reviews. I am really disappointed with it - it seems as if it’s almost completely dried up, I can barely get any product out of the tube, and it doesn’t do anything for my lashes. I’ll stick with my previous primer, which is less than half the price.
suzyb10
Reposted from lancome-usa.com
Feb 1, 2026
Cils Booster
Always use this under my mascara for extra dimension. Easy to use and apply. Don't put my mascara on without using this product
MoniM28
Reposted from lancome-usa.com
Feb 1, 2026
LOVE IT
[This review was collected as part of a promotion.] I USE DAILY UNDER MY MASCARA. IT REALLY MAKES A DIFFERENCE WITH MASCARA NOT FLAKING OFF OR SMEARING. I HAVE ALSO NOTICED IMPROVEMENT OF MY BARE LASHES.
Djw628
Reposted from lancome-usa.com
Feb 1, 2026
The best eyelash primer period
[This review was collected as part of a promotion.] I've tried many, from highest end to drug store price points. Cils booster xl is always the winner. I've used it for over 10 years.
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Cils Booster XL Vitamin-Infused Mascara Primer
Lancôme
Current Price $30.00