Cils Booster XL Enhancing Lash Primer Vitamin-Infused Mascara Primer
(4.8) 4.8 (1,720 Reviews)
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Cils Booster XL Enhancing Lash Primer

Vitamin-Infused Mascara Primer

(4.8) 4.8 (1,720 Reviews)

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$26.50

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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.
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Other People Also Purchased

Cils Booster XL Enhancing Lash Primer is rated 4.8 out of 5 by 1720.
Rated 5 out of 5 by from Must Have I never realized how great a booster primer mascara was until I used LanCome Love it
Date published: 2020-07-25
Rated 5 out of 5 by from Absolutely love ! The very best for your lashes !!! I find it to be conditioning and lengthening. Makes for really great lashes. Try it !
Date published: 2020-07-17
Rated 5 out of 5 by from It Works! I've always had short lashes. I received the Cils Booster/primer as a bonus. I used it with the Hypnose Drama mascara and could definitely tell that it enhanced the mascara. I use it with other mascara for a less dramatic daytime eye. I love it as a base but it has added benefits! I don't use it daily (because I don't work anymore) but have continued to use it for a year or so and my lashes are healthier, thicker and long! It's the real deal!
Date published: 2020-07-12
Rated 5 out of 5 by from Love it! This is a must have to protect your lashes as well as boost it with any mascara.
Date published: 2020-07-12
Rated 5 out of 5 by from Perfect look! Makes the eyeslashes even more long and curls with the Lancôme black mascara, perfect!
Date published: 2020-07-11
Rated 5 out of 5 by from Dries to clear It looks like Elmer’s liquid (white) glue with tiny filaments. But dries to clear (not visible). It makes your lashes thicker and longer, but looking natural (if you don’t use an excessive amount, of course). I like it and use it daily for work with black Definicils mascara. I have not tried the deep black or deep brown mascaras, and I would like to read comments about these colors. The size is ok if you want to try it or if you does not use makeup frequently.
Date published: 2020-07-10
Rated 5 out of 5 by from Love it! Love this product- especially with Monsour Big mascara.
Date published: 2020-07-03
Rated 5 out of 5 by from Love this! I do love this product helps my eye lashes look Amazing! Anytime there is a gift I always get something if I need it or not!! Please keep making this and please make some blue or navy mascara I think you used to have it but I don’t remember
Date published: 2020-07-03
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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
regular size is almost triple the travel size - .07 ml vs .19 ml
Answered by: slfnyc
Date published: 2020-08-01

Does the lash booster help the lashes grow or is it only for use under the mascara for plumping? Just curious !

Asked by: Trudie
Bonjour Trudie! Thanks for reaching out about Cils Booster XL Enhancing Lash Primer. This primer works as a lash conditioner to nourish and condition eyelashes, while maximizing volume. This also doubles as a lash primer by coating clean eyelashes smoothly, to provide an ideal base for clump-free mascara application. We hope this is helpful!
Answered by: LancomeAnswers
Date published: 2020-06-02

Is this a vegan product?

Asked by: Ske659
Bonjour! Thank you for reaching out about Cils XL Booster. The L’Oréal Group, which includes Lancome, is always attentive to respecting the personal choices of its consumers throughout the world and therefore offers a very wide range of products to meet their diverse beauty needs. L’Oréal does not use any ingredient from rare or endangered animal species, nor any ingredient of porcine, bovine or ovine origin; except lanolin (which is taken from live sheep). We use derivatives of raw materials of animal origin in restricted quantities, such as honey, beeswax, lanolin, as well as fish derivatives and poultry egg derivatives. We hope this was helpful!
Answered by: LancomeAnswers
Date published: 2020-04-09

Normal

Can someone please tell me what the micro fibers are?
Asked by: GoldenGrams
Bonjour! Thank you for reaching out about Cils Booster XL Enhancing Lash Primer. Microfiber is synthetic fiber finer than a regular fiber which helps to build an intense false-lash look. All ingredients in this product can be found on the product package or on our website. We hope this was helpful!
Answered by: LancomeAnswers
Date published: 2020-02-25

Does any of your primers or mascara contain fragrance? 

Asked by: Fragrance - Mascara
Bonjour Fragrance-mascara, thanks for inquiring about this. We appreciate your interest in our products. Lancome considers formulas for our products proprietary.Since 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.As a company committed to the highest quality products, we take special care to ensure that all ingredients we use are safe and continually evaluate the most current information about our ingredients. We hope this information was helpful!
Answered by: LancomeAnswers
Date published: 2020-03-05

I have green eyes I was curious if there was a possibility that this product can change my eye color? I don't wanna use it if so 

Asked by: Cynthia meza1
Bonjour Cynthia! Thank you for your interest in our Cils Booster XL. This product is white in color, 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. We hope this was helpful and we wish you great success with our products!
Answered by: LancomeAnswers
Date published: 2020-02-14

Do you have a lash booster in black?

Asked by: Salin
Bonjour! We recommend applying our Cils Booster XL Enhancing Lash primer under your mascara. Apply this product from roots to tips of eyelashes, but, do not wait until Cils Booster XL is dry before coating lashes with mascara. You can then coat your lashes with mascara for desired look, or until white primer is no long visible. We hope you can use this product with great success!
Answered by: LancomeAnswers
Date published: 2020-02-14

I use Hypnos drama. Will this product really make a difference?

Asked by: Rosie2
Yes, it absolutely makes a difference!  I rarely, if ever, go without using this lash primer. Not only does it make my lashes look full, but also it helps the mascara from settling on my lids. It makes a huge difference when it comes to thickening up your lashes. To be honest, I don't know think it has had long term benefits for my lashes, but I can 100% say that it makes my eyes look beautiful every time.  And if you really want a dramatic effect (think New Years Eve or a big event), apply it twice (primer>mascara>primer>mascara). 
Answered by: Jen7
Date published: 2020-02-08
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