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Cils Booster XL Enhancing Lash Primer

Vitamin-Infused Mascara Primer

(4.8) 4.8 (343 Reviews)

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$26.00

$20.80

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  • Free standard delivery on $49+

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What it is
The #1 lash-conditioning and mascara primer all-in-one.

What it does
Plush, voluminous, healthy lashes can be yours with just a sweep of this innovative mascara primer. Gliding on smoothly and evenly, each coat creates an even surface layer to maximize the results of your favorite mascara. With a conditioning formula for visible performance, infused with micro-fibers, Vitamin B5 and Vitamin E, lashes appear longer and fuller. This revitalizing lash primer will improve lash results, thickness and curl over time.

White in color, Cils Booster XL leaves lashes feeling luxurious and soft, while allowing the pigment of your favorite mascara to stand out, thus, creating an intense and rich false-lash look.

What else you need to know
Cils Booster XL takes your mascara one-step further. Multi-purpose, this creamy and conditioning formula, not only lengthens and thickens lashes, but can also be worn overnight as a “lash mask.”Simply apply on clean lashes to nourish and rejuvenate before bed.

Beauty Tip:
Apply the luxurious Rénergie Lift Multi-Action Eye Cream before using Cils Booster XL for a youthful, radiant, wide-eyed look.
Research Results:
In a consumer test on a panel of 103 women using Cils Booster with their daily mascara:
- 93% of consumers saw more length
- 92% of consumers saw more volume
- 85% of consumers saw more curl

Benefits:
Works as a lash conditioner to nourish and condition eyelashes, while maximizing volume. Doubles as a lash primer by coating clean eyelashes smoothly, to provide an ideal base for clump-free mascara application.
As A Base Coat For Mascara:
- Apply from roots to tips of eyelashes, but, do not wait until Cils Booster XL is dry before coating lashes with mascara.
- Coat lashes with mascara for desired look, or until white primer is no long visible.
- For a optimal color, intensity and a false-lash look, apply two coats of eyelash primer to bottom and top lashes, before applying mascara.

As A Nighttime Eyelash Conditioner:
- After cleansing face, and finishing normal nighttime beauty routine, apply Cils Booster XL to bare lashes.
- Allow to dry properly before sleep.

Store in a cool, dry place.
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 / ACACIA SENEGAL GUM, PANTHENOL, PEG/PPG-17/18 DIMETHICONE, SODIUM POLYMETHACRYLATE, MYRISTIC ACID, RAYON, HYDROXYETHYLCELLULOSE, POLYCAPROLACTONE, POLYQUATERNIUM-10, TOCOPHERYL ACETATE, METHYLPARABEN, PROPYLPARABEN
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Other People Also Purchased

Cils Booster XL Enhancing Lash Primer is rated 4.8 out of 5 by 1604.
Rated 5 out of 5 by from Excellent eyelash primer Really useful for enhancing my eyelash, and also makes lash more stronger.
Date published: 2019-11-16
Rated 5 out of 5 by from So much better with this stuff I have long lashes naturally but this stuff takes it to the next level. Its fabulous and I feel like my mascara is easier to clean off at the end of the day as well.
Date published: 2019-11-15
Rated 4 out of 5 by from Such a great product - love my lashes I have long straight lashes. If I don't use primer, I get mascara transfer under my eyes. Works great! Makes my lashes thicker, longer, and holds the mascara. And, I've had it for 4 weeks without any product thickening - this is a much better outcome than drugstore products.
Date published: 2019-11-13
Rated 5 out of 5 by from Can’t live without it I use this daily before putting on mascara. What a difference this makes. Looks fuller and longer.
Date published: 2019-11-11
Rated 5 out of 5 by from The best primer EVER The formula of this products is amazing! I've never been a fan of lash primers but this products actually does it's job and its fabulous.
Date published: 2019-11-10
Rated 5 out of 5 by from Definitely Delivers This primer definitely gives me the minor boost I need prior to applying my mascara! I even use it on it's own when I'm not wearing any makeup and my lashes look longer and more defined. Never again will I use any of my Lancome mascaras without applying this first!
Date published: 2019-11-05
Rated 5 out of 5 by from Fabulous product All day wear and I use less mascara. My lashes are softer.
Date published: 2019-11-04
Rated 5 out of 5 by from Great Product for Whimpy Eyelashes I have had such an issue with keeping my eyelashes looking anything more than blonde stubs. With the Cils Booster the mascara stays on all day and does not flake off or bleed off onto my cheeks. Thanks Lancôme for recommending the product.
Date published: 2019-10-31
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My lashes only hold curl with waterproof mascara. I have tried primer before but it just drags my lashes down and I lose my curl. Will this product do the same? 

Asked by: just curious
Bonjour! Cils Booster XL Enhancing Lash Primer will help with this issue. With a conditioning formula for visible performance, infused with micro-fibers, Vitamin B5 and Vitamin E, lashes appear longer and fuller. This revitalizing lash primer will improve lash results, thickness and curl over time. We hope you find this information to be helpful and give this a try!
Answered by: LancomeAnswers
Date published: 2019-11-15

What ingredient in this product curls your lashes? My lashes are very straight until I apply this product. What a change! Is there a mascara that curls lashes?

Asked by: Pam t
Hello Pam T! Thank you for inquiring about Cils Booster XL Enhancing Lash Primer. Ingredients may have different functions in products depending upon their combination with other ingredients.The percentage of specific ingredients in any given product is not a measure of the ingredient's efficacy. It is the unique formula and technology that provides the desired result. Except for active ingredients, information regarding the function and percentage of specific ingredients in our products is proprietary. We suggest trying our Grandiose Mascara, this mascara creates perfectly open, full and even lashes. For more information on this product, click the provided link: http://tinyurl.com/yyhots6g
Answered by: LancomeAnswers
Date published: 2019-07-12

Is this product optomology tested? I have ocular issues and have beeb advised to use optomology tested products. Thank you

Asked by: Joanne 22
Hello Joanne 22! Thank you for reaching out to us! Cils Booster XL Enhancing Lash Primer does not make claims of being Ophthalmologist Tested. We hope this information has been helpful.
Answered by: LancomeAnswers
Date published: 2019-05-29

How much ml include?

Asked by: Anonymous
4ml (.13 fl oz) in the travel size. the full size ml seems to be unknown, and is not listed on the website.
Answered by: It's Me
Date published: 2019-03-24

Quantity diff in Cils Booster XL and travel size

I notice the travel size is the same price at the XL. Do they contain the same amount of Primer, just different size packaging? Just curious because my sample size seemed to last as long as the full size I purchased in the store?
Asked by: Miami Girl
The travel size does last a long time but it's only $13, not full price
Answered by: Shelby13
Date published: 2018-08-22

Is this product waterproof?

If I put this under my waterproof mascara and go swimming, will it stay on? Or will all my mascara run?
Asked by: Sarah
No. The Cils booster is not waterproof. If you use waterproof mascara it will not come off, but with regular mascara, it washes off easily.
Answered by: Tina N.
Date published: 2019-03-30

Which Lancôme products are gluten free? I'm especially interested in the cils booster xl and the mascaras.

Asked by: Healthcoachcarlaj
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 / ACACIA SENEGAL GUM, PANTHENOL, PEG/PPG-17/18 DIMETHICONE, SODIUM POLYMETHACRYLATE, MYRISTIC ACID, RAYON, HYDROXYETHYLCELLULOSE, POLYCAPROLACTONE, POLYQUATERNIUM-10, TOCOPHERYL ACETATE, METHYLPARABEN, PROPYLPARABEN ALL INGREDIENTS ARE LISTED IN EACH PRODUCT.
Answered by: LGSS
Date published: 2019-02-20

Is this safe for contact lens wearers?

Asked by: Cindy O
I've never had a problem with it. I always put my contacts on before my makeup and later remove contacts before removing makeup. I hope this helps!
Answered by: Dexterity
Date published: 2017-11-06
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