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 Cils Booster XL Enhancing Lash Primer by Lancôme

Cils Booster XL Enhancing Lash Primer

staying power(205)
look: dramatic
Variation: 0.14 oz/ 4 mL
0.14 oz/ 4 mL0.19 oz/ 5.6 mL0.19 oz/ 5.6 mL

Top Reviews


not smudging

doesn't flake or smudge

- Sephora User

takes mascara from good to great, adding length and volume as well as staying powder without flaking or smearing

- Sephora User

staying power


mascara stays on

- Sephora User

mascara stays on

- Sephora User



it lengthens, volumizes, and separates my lashes, keeping 'em prepped and primed for an equally as amazing mascara

- Ulta User

i have used lots for different volume and length enhancing mascara i do not wear false lashes so this one looks natural but super long and thick love it love it love it

- Ulta User



it separates and lengthens each lash

- Sephora User

omg it’s amazing it separates and elongates ur lashes so that when u put mascara on they look extra long and full and amazing

- Sephora User



when i don't feel like wearing false lashes i apply this and then my own mascara tatrina tarantino water proof black opal then curl and its like i have falsies on and its faster to apply then false lashes

- Sephora User

i'm glad i found this primer because it not only helps my regular mascara -that is non-waterproof hypnose drama - stay on all day long but it makes my eyelashes look longer and fuller

- LancôMe User


not clumping

no clumping

- Ulta User

no clumping

- Ulta User



i practiced and now use my eye lash curler and go to town and wind up looking so much better

- Macy's User

use cils booster after curling lashes, then monsieur big mascara, the best lash effect i've had

- Ulta User



this keeps my eyelashes thick and curled for the whole day, i've tried with the ud perversion , lancome hipnose drama and dior addict it-lash and i had great results everytime

- Sephora User

it defines, lengthens and volumizes my lashes and makes the next step (lancome definicils by day, hypnose drama by night) go on so smooth and really amplifies the results

- Sephora User
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Sephora userMay 8, 2010

Didn't care for this product. My major complaint with these types of products is that they are so sticky that trying to curl lashes after you put this on tends to make them curl awkwardly and the lashes stick to the curler and pull out. It doesn't seem to make my lashes look any different either. I only want a base as a sort of "hairspray" to make the curl more dramatic and last longer. I haven't found anything yet that works better than my drugstore clear mascara for that. The clear mascara doesn't get sticky and there is no clumping or white color you need to cover with the black mascara, its just more natural looking.

- Sephora
Sephora userJuly 8, 2013

Stick-straight Asian lashes become full and curly

I have your typical sparse, straight, short, and downward-pointing Asian lashes. I had previously never worn mascara because - what's the point? They're not going to hold a curl no matter how much I crimp. Once the mascara goes on, no matter what brand, they straightened out and drooped immediately. Length doesn't matter when everything is pointing down. I bought a new heated curler and LOVED the natural sweep it gave - but same problem as before - any mascara applied afterward would straighten the curl. Or it melted all my mascara if I used the curler after putting on mascara. Enter Lancome Cils Booster XL. Apply this FIRST and let it dry (key!). Then use a heated curler and "style" the lashes with a sweeping curl at just the ends (a natural look rather than crimped at the base). A little brush-through with a lash brush ensures perfect separation. The Cils Booster XL acts like a gel or hairspray and locks the curls in place! It also picks up all the baby hairs I never knew I had. Then apply topper of mascara of choice! I am wearing Virtouse Black Karat here. I am still experimenting with which mascara is best to top over Cils Booster XL. GORGEOUS curls that STAY ALL DAY even through workouts! I am so happy with my lashes now. <span class="shop__a pd-reviews__translate-span">« less</span>

- Sephora
Sephora userApril 21, 2009

Must have

I probably have about 4 of these, and have given anyone who needs their mascara not to flake one of these, too. My eyes are sensitive, I wear contacts, they tear up often because of that, they are easily bloodshot- but this never contributes to any of those symptoms, I would go as far as to say it helps, because instead of having flaky, watery mascara in my eyes from my favorite non-waterproof mascaras, they stay relatively well put with very minimal flaking. This is also a time saver, if you put on more than two coats of mascara, BUY THIS! This will make your lashes look very well layered with just one coat of this and (after this dries) your regular mascara. This also makes the mascara less clumpy and as I said before, more water/flake resistant. I will not use mascara without this product, it takes more time to use 4 layers and clean up a flaky mess all day than to do 1 coat of this before my mascara with no combing. You also cannot achieve the same results without this product as a mascara alone, it truly makes your lashes much fuller, longer, defined and thicker. P.S. Use a light hand with this product or else it might get clumpy, but if you use just a little bit, to the point where you can hardly see the white besides on the tips, this product will be your best friend! <span class="shop__a pd-reviews__translate-span">« less</span>

- Sephora
Sephora userOctober 31, 2018

Packaging: The packaging is nothing out of the ordinary for a mascara primer.Application: The primer is easy to apply and dries quickly. The product does not clump and is buildable, but less is more.Color: The primer applies as white, but dries as black.Effectiveness: The product does a great job elongating and defining my lashes. I have very short and sparse lashes and I love how my fuller my lashes look. My lashes are also easy to curl with an eyelash curler post-application and the product does not stick to the curler.Price: At $25, this concealer falls in the price category of higher end luxury brands and much more pricey. For Lancome, the price is to be expected. The full size product lasts quite a long time.Cons: The only downside with this product is that over time, the primer dries out and becomes clumpy. I typically buy the travel size version, instead of the full size, so I can use a new package more often and thus solving the clumping issue.Overall, this mascara primer is my holy grail and I have been using this product for the past 3 years. If you want the look of falsies without actual falsies, I would recommend this product. I use this product for both every day wear and special occasions.I received this product complimentary for testing purposes. « less

- Sephora
Sephora userOctober 31, 2013

One of My Must-Haves

The main reason I use this lash primer: when I get home from work at the end of the day, I look like I have just applied my mascara. I have tried mascaras that come in a double ended bottle with primer on one side, mascara on the other, and found that flaking of mascara was a problem. I use this with Clinique High Impact Mascara (regular, not waterproof) and the mascara holds all day. I do have long lashes but I find I don't have to curl them because using this product under my mascara gives my eyes enough pop. Also, I don't have to reapply my mascara at any time during the day. The product is thick and is similar to mascara in consistency. Therefore putting mascara on top of it makes for fuller looking lashes, which is nice.When I remove my makeup at night, I wash my face with Purity by Philosophy (not plugging products, just letting you know how it works in my hands), and I get complete removal of the mascara and the Cils Booster XL and pretty much no lash loss like I have had with eye makeup removers (I am going to have to attribute that, in part, to Purity). One thing to note: as with any mascara product, when you open a new tube there is quite a bit of product on the brush. The effect is that a lot of product ends up on your lashes, and then you layer on mascara. This can lead to clumping or a look that I find less natural, where the individual lashes look really thick (clumped, perhaps). I have a wire-toothed lash comb handy for that. An alternative is to blot the brush with a tissue to take something of the product off of the brush before applying the product to your lashes. I have never tried that. Less

- Sephora


Overall safe Ingredients

Acacia senegalhazard
Candelilla Waxacne
Triethanol aminehazard
PEG/PPG-17/18 Dimethiconehazard
Rice bran waxhazard
Tocopheryl Acetatehazard

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