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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
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GET $40 OFF next purchase + 5% off every Rack purchase with a Nordstrom credit card. Terms apply. Apply Now

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

Shipping & returns

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

This item is returnable within 40 days by mail or to U.S. Nordstrom Rack and U.S. Nordstrom stores. All beauty items are only eligible for return in U.S. Nordstrom Rack or U.S. Nordstrom stores.

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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

(3455)
4.8 out of 5
Write a Review

Most helpful positive review

Apr 19, 2026
Definitely helps make lashes look naturally longer
The Booster helps lashed look thicker & longer naturally. Be sure to follow the directions and apply your mascara right after the booster when they are still wet.
LizR-MN
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
lancome-usa.com response
Hi Kgn7! We appreciate you reaching out to us in regards to your Cils Booster XL Enhancing Lash & Mascara Primer. We completely understand how disappointing it is for your product to arrive dry. If you still require assistance with this matter please reach out to us directly at 1-800-526-2663 Mon-Friday 10am-7pm EST. It would be helpful i you could have the product and order number available when you call.

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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
LizR-MN
Reposted from lancome-usa.com
Apr 19, 2026
Definitely helps make lashes look naturally longer
The Booster helps lashed look thicker & longer naturally. Be sure to follow the directions and apply your mascara right after the booster when they are still wet.
Loveproduct
Reposted from lancome-usa.com
Apr 19, 2026
Llancime fan
Such a great product if you like volume. I an a long time lancome user, literally only use lancome mascara. I b always get compliments on the natural lashes when I pair this with the drama mascara. It is so good I have no interest in testing any other mascara
Absolutely Gaga
Reposted from lancome-usa.com
Apr 19, 2026
Holy Grail
This eyelash primer has been an absolute game changer! I absolutely cannot live without it. It conditions and thickens my lashes. It doesn't irritate or dry out my lashes or eyes. I recommend this eyelash primer to everyone.
Kimmerjo
Reposted from lancome-usa.com
Apr 18, 2026
Really makes a difference.
As a woman in her 60's we take advantage of all tools. I like how this lengthens without clumping. Glides on. Very happy with product.
Anonymous
Reposted from lancome-usa.com
Apr 18, 2026
Great product
If your like me and only wear makeup a handful of times a year I recommend getting the travel size. I used mine today that was bought a little over a year ago and it dryed so fast I couldn't get my mascara on so it look pretty clumpy. But when it was fresh it was great. They are still longer though. 😉
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