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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.
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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
Not working
Verified Buyer
Reviewed at

I've been using this morning and night for about 7 weeks now. I do not see or feel any improvement in my lashes or my brows. What a disappointment.
lashes and eyebrows are growing!!
Reviewed at

I use the product as specified and on my eyebrows every 2-3 days a week. I am seeing growth thickness again of my lashes (eyebrows are filling in where I plucked them with tweezers over 20 years ago!
irritated my eyes
I am not sure if this is safe for eyes and we only have one pair for life. I used it and was fine at first but after a few days my eyes watered a lot and looks red and irritated burning sensation. also dries out and must be washed off after a couple hours. cannot use any other products with it.
2+ weeks using it and no results
Verified Buyer
I went to Ulta looking for the lash MD serum and the rep talked me into buying this one. I have not seen any results from wearing it for 2 weeks. I do wake up with this serum looking like I have eye boogers! I feel dumb for buying this.
This product does NOT work!
I used this Lash Serum every morning and every night for five weeks. My lashes are not any thicker or longer and there does not seem to be any improvement at all. I have used two other brands of Lash Boosters with very good results that were noticeable within three weeks so I will be going back to those products!