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Summary
Lancôme's Cils Booster Lash Revitalizing Serum is a fortifying eyelash serum that conditions damaged and over-processed lashes from root to tip and reduces lash loss during makeup removal.
Features
- This lash serum, infused with amino acids, revitalizes lashes including those damaged by daily makeup application, eyelash curlers, false lashes, and lash extensions
- Applied twice daily, our lightweight, lash-loving formula refuels and cares for lashes day and night
Benefits
- Ophthalmologist Tested
- Suitable for Sensitive Eyes
- Based on a consumer test panel after 4 weeks when applied twice daily:
- 87% said that lashes felt fortified
- 80% said that damaged lashes feel revitalized
- 83% saw less lash loss during makeup removal
Item 2571929
- Begin with a clean eye area free of makeup. After cleansing and moisturizing skin, apply the lash serum along the upper and lower lash lines (like a liquid eyeliner).
- Next, apply serum from lash root to tip (as you would apply mascara).
- Wait 1 -2 minutes before eye makeup application.
Apply 2x a day as a part of your morning and evening skincare routine.
Pro tip: For even fuller lashes, apply Cils Booster XL Vitamin-Infused Mascara Primer to eyelashes followed by your favorite mascara.
Threonine, Sodium Citrate, Arginine, Serine, 2-Oleamido-1,3-Octadecanediol, Proline, Alanine, Aminopropyl Triethoxysilane, Ascorbyl Glucoside, Propanediol, Propylene Glycol, Hydroxypropyl Tetrahydropyrantriol, Citric Acid, Xanthan Gum, Panthenol, Biotin, Glutamic Acid, Polysorbate 21, Tocopherol, Tocopheryl Acetate, Phenoxyethanol.
This brand is excluded from most Ulta Beauty coupons.
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Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
Most Helpful Positive Review
Gorgeous gold packaging, very luxurious
Gorgeous gold packaging, very luxurious, I am in love the the packaging. It did not irritate my eyes and leaving my lashes feel nourish and healthy. My lashes looks fuller now, could not wait for the end results
Most Helpful Critical Review
Unhappy
I went in planning to get the Grande Lash lash serum as I've heard good things, but the Ulta woman swore I get this instead for better value and results. I love the ease of application and texture, however I noticed started to make my eyelashes fall out more frequently, and soon after I got a small ...
76 results
Absolutely love Cils Booster Lash Serum
Verified Buyer
Reviewed at

I've been using this for years. It is absolutely amazing. You will see growth in less than a week. It makes your lashes so healthy and full. I use it at night for about 2 or 3 weeks then I take a break for 2 -3 weeks and start using it again. It is like a miracle in a bottle. Packaging is nice but im always afraid I am going to break it in my bag when i travel but thankfully that hasn't happened yet. Its a bit on the pricey side compared to some products in this category but i believe it works better ast least it works better than other ones I've tried. love it and would recommend it
I would not buy it again.
It doesn't work, I didn't notice any difference and have been using it for 2-3 months now.
Eye lash health
Verified Buyer
My eye lashes seem thicker and more noticeable. But be careful not to get in your eyes. Hopefully improves my lash health.
It really works !
My lashes are thicker after a few weeks of use.
Fail
Verified Buyer
Reviewed at

I really wish that I could give this product a Thumbs up, But I can't . There's no benefit from use…cakes up. Doesn't enhance and mucks up my eye makeup. Sorry. It's a fail for me.