What is Obagi Nu-Cil™?

Obagi Nu-Cil™ Eyelash Enhancing serum is powered by Nouriplex™ technology, a proprietary blend of 4 lash-enhancing ingredients that are clinically proven to improve the appearance of lash condition, thickness, volume, and overall fullness of the lash.

What results should I expect with Obagi Nu-Cil™?

Study participants showed visible improvement in density, fullness, thickness, and darkness in their eyelashes as early as 8 weeks with pronounced results at 16 weeks

How do I use Obagi Nu-Cil™ Eyelash Enhancing Serum?

Nightly, after cleansing the skin. Apply a thin layer of Obagi Nu-Cil™ Eyelash Enhancing Serum to the base of the upper lash line. Wait 90 seconds for product to dry completely before applying another product to the skin

How is Obagi Nu-Cil™ Eyelash Enhancing Serum different than other lash serums currently available on the market?

Obagi Nu-Cil™ Eyelash Enhancing Serum contains innovative Nouriplex™ technology, a proprietary combination of core ingredients that support the appearance of fuller, denser, more voluminous lashes with results that continue to build day after day.

How long does a tube of Obagi Nu-Cil™ Eyelash Enhancing Serum last?

If applied according to instructions once a day to upper lash line- one tube lasts about 2-3 months. We recommend 2 tubes for pronounced results at 16 weeks.

What are the Clinical Results to show Obagi Nu-Cil™ Eyelash Enhancing serums performance?

After 16 weeks of use: - 93% of participants said their eyelashes showed visible improvement - 89% of participants said their eyelashes looked thicker and more densely packed - 86% of participants said they would continue using Obagi Nu-Cil™ over getting lash extensions - Outperformed a leading competitor in overall lash improvement in as little as 8 weeks *2021 16-week double-blinded study. Data on file at Obagi Cosmeceuticals LLC.

Can I use Obagi Nu-Cil™ Eyelash Enhancing Serum with ELASTIderm® Eye Cream or ELASTIderm Eye Serum?

Yes, Obagi Nu-Cil™ Eyelash Enhancing Serum can be used with other products including ELASTIderm® Eye Cream and Eye Serum. Wait 90 seconds after applying Obagi Nu-Cil™ Eyelash Enhancing Serum before using another product around the eye area.

What happens if I stop using Obagi Nu-Cil™ Eyelash Enhancing Serum?

If you stop using Obagi Nu-Cil™ Eyelash Enhancing Serum your lashes will eventually revert to your normal lash cycle.

Can I use Obagi Nu-Cil™ Eyelash Enhancing Serum if I wear contact lenses?

Yes, the product can be used if you wear contact lenses but contact lenses should be removed at bedtime before applying Obagi Nu-Cil™ Eyelash Enhancing Serum.

What are the most common consumer complaints about Obagi Nu-Cil™ Eyelash Enhancing Serum?

Obagi Nu-Cil™ Eyelash Enhancing Serum has been thoroughly tested in clinical studies. As with most eyelash products, some consumers may report temporary tingling or redness, which normally disappears after continued use. Users with sensitive eye area are typically more prone to sensitivity. If irritation or redness persists discontinue use and consult your physician.

How frequently should I apply Nu-Cil Eyelash Enhancing Serum?

Once a day at night.

Can I apply Nu-Cil Eyelash Enhancing Serum in the morning and evening?

Nu-Cil Eyelash Enhancing Serum is to be applied in the evening only

Can I apply Nu-Cil Eyelash Enhancing Serum in the morning instead?

We recommend nightly application only

What if I forget to apply Nu-Cil Eyelash Enhancing Serum for a day (or a few days)?

If you forget to apply for a day or a few days, you can just re-start your regimen and apply nightly after cleansing the skin.

Can Nu-Cil Eyelash Enhancing Serum also be used on Eyebrows?

Nu-Cil Eyelash Enhancing Serum applicator is ideal for the upper eyelash line and not ideal for brow application. Nu-Cil Eyelash Enhancing Serum is not recommended for eyebrow application.

Can Nu-Cil Eyelash Enhancing Serum be used on the Lower Lash Line?

Nu-Cil Eyelash Enhancing Serum product has only been tested for use on the upper lash line.

Can I use Nu-Cil Eyelash Enhancing Serum with ELASTIderm® eye Cream or ELASTIderm Eye Serum?

Yes Nu-Cil Eyelash Enhancing Serum can be used with other products including ELASTIderm Eye Cream and Eye Serum. Wait 90 seconds after applying Nu-Cil Eyelash Enhancing until using another product around the eye area.

How do I use Nu-Cil Eyelash Enhancing Serum with my regimen?

After cleansing the skin apply a thin layer of the serum to the upper lash line only. Wait 90 seconds for product to dry completely before applying another product to the skin.

How much product do I wipe off on the brush prior to applying Nu-Cil Eyelash Enhancing Serum on my upper lash line?

Wipe off any excess product that appears on the applicator, only a thin layer is required. Dip the applicator in the tube once per eye.

How long does it take to see an improvement in the appearance of my lashes?

Results may vary but participants in our clinical study saw results in as early as 8 weeks of use.

Can Nu-Cil Eyelash Enhancing Serum be used continuously and how long will my results last?

Yes, Nu-Cil Eyelash Enhancing Serum is designed to be used nightly with results as early as 8 weeks and pronounced results at 16 weeks. The product was tested in a clinical study only up until 16 weeks of use.

What happens if I stop using Nu-Cil Eyelash Enhancing Serum?

If you stop using Nu-Cil Eyelash Enhancing Serum your lashes will revert to your normal lash cycle.

What are the Clinical Results to show Nu-Cil Eyelash Enhancing serums performance? After 16 weeks of use:

After 16 weeks of use: 93% of participants said their eyelashes show visible improvement 89% of participants said their eyelashes look thicker 89% of participants said their eyelashes look more densely packed Outperformed leading competitor in overall lash improvement in as little as 8 weeks *2021 16-week double-blinded study. Data on file at Obagi Cosmeceuticals LLC.

What if I am currently using another lash serum, do I need to wait a certain amount of time to use Nu-Cil Eyelash Enhancing Serum?

No downtime is required between using the previous product and Nu-Cil Eyelash Enhancing Serum.

How does Nu-Cil Eyelash Enhancing Serum fit into the Obagi Medical portfolio of products?

Obagi is about transformation, creating products that deliver results and empower confidence. Now we’re going beyond skin to bring the next evolution in care. We designed a powerful product that revolutionizes lashes. Our newest innovation, Nu-Cil™ Eyelash Enhancing Serum intensifies and defines the look of eyes. Finally, a solution for voluminous-looking lashes from trusted experts.

How will I know to repurchase?

When applicator no longer has visible product or comes out dry, it is time to replace.

Does Nu-Cil Eyelash Enhancing Serum have a fragrance?

The product is formulated without a fragrance.

Does Nu-Cil Eyelash Enhancing Serum contain any over the counter or drug ingredients?

Nu-Cil Eyelash Enhancing serum is a cosmetic product intended to support the appearance of fuller, denser, more voluminous lashes.

Is Nu-Cil™ Eyelash Enhancing serum gluten free?

Nu-Cil eyelash enhancing serum was not formulated with any direct addition of gluten-containing ingredients. However, we cannot guarantee that there is no cross contamination from other products that have may have manufactured at the same facility.

Is Nu-Cil Eyelash Enhancing Serum oil free?

Nu-Cil is oil free.

Does Nu-Cil Eyelash Enhancing Serum contain any tree nuts or traces of nuts and where can I find them?

Nu-Cil Eyelash Enhancing Product was not formulated with any direct addition of any ingredients that may contain nuts or could trigger nut allergies. However, we cannot guarantee that there is no cross contamination from other products that have may have been manufactured at the same facility.

Does Nu-Cil contain any preservatives?

Nu-Cil Eyelash Enhancing Serum is formulated with phenoxyethanol, a common preservative often found in pharmaceutical products, cosmetics, and perfumes.

Will Nu-Cil break the bond on lash extension glue?

At this time, it is not known if any ingredients in Nu-Cil would affect the bond on lash extension glue. As recommended eyelash extensions should be removed before using Nu-Cil eyelash enhancing serum.

Do I need a prescription for Nu-Cil?

As a cosmetic, Nu-Cil is intended to enhance the attractiveness and appearance of the lashes and does not require a prescription but is available to purchase through an authorized physician partner, eRetailer, or Obagi.com.

Is Nu-Cil Eyelash Enhancing Serum safe for my eyes?

Nu-Cil Eyelash Enhancing serum is designed to be used directly on the upper lash line but you should avoid direct contact with the eyes; the serum has a similar tolerability profile as other leading competitors. If you experience an unpleasant reaction, wash your eyes, and face with lukewarm water and discontinue use. Please read the insert that comes with the product for more important safety information on the product.

Can I use Nu-Cil Eyelash Enhancing Serum if I wear contact lenses?

Yes, the product can be used if you wear contact lenses but contact lenses should be removed at bedtime before applying Nu-Cil Eyelash Enhancing Serum.

Can I use Nu-Cil Eyelash Enhancing Serum if my eyelashes are tinted?

Nu-Cil Eyelash Enhancing serums was not tested of study participants who had eyelashes tinted. Please consult your permanent makeup artist.

Can I use Nu-Cil Eyelash Enhancing Serum if I have eyelash extensions?

Obagi recommends removal of eyelash extensions during use of Nu-Cil eyelash Enhancing serums. Nu-Cil Eyelash Enhancing serums was not tested on study participants who had lash extensions. Please consult your eyelash artist.

Can I use Nu-Cil Eyelash Enhancing Serum if my eyeliner is tattooed?

Nu-Cil Eyelash Enhancing Serum was not tested on participants who had their eyelines tattooed. Please consult your permanent makeup artist.

Can I use Nu-Cil Eyelash Enhancing Serum if I am pregnant or nursing?

Consult your physician before using this product while pregnant.

Can my teenage children use Nu-Cil Eyelash Enhancing Serum?

The clinical study of Nu-Cil Eyelash Enhancing Serum was only tested on adults. Please consult your child’s physician.

What should I do if I accidently get Nu-Cil Eyelash Enhancing Serum in my eyes?

Avoid getting in the eyes, in the event of direct contact, rinse with cool water. If irritation persists, consult with a medical professional.

What should I do if my eyelashes have some dry residue in the morning after using Nu-Cil Eyelash Enhancing Serum?

Wash your face gently with soap and water. It is important to follow use instructions regarding application and wipe any excess product from the upper eye lid.

Is continued use of the Nu-Cil Eyelash Enhancing applicator sanitary?

Yes, continued use with applicator is sanitary.

I have heard about side effects cause by other products used to improve lashes. Should I be concerned about potential side effects from the use of Nu-Cil Eyelash Enhancing Serum?

Please refer to our website for all product safety warnings and precautions, https://www.obagi.com/medical/nu-cil-eyelash-enhancing-serum. Additionally, please see product insert for additional warning information.

What are the most common consumer complaints about Nu-Cil Eyelash Enhancing Serum?

Nu-Cil Eyelash Enhancing Serum has been thoroughly tested in clinical studies. As with most cosmetic products, some consumers may report temporary tingling or redness, which normally disappears after continued use. Users with sensitive eye area are typically more prone to sensitivity. If you develop irritation, reduce application to every other day. Once irritation subsides return to daily use. If irritation or redness persists discontinue use and consult your physician.

What if I experience tingling, burning, redness or irritation after use?

If you develop irritation, reduce application to every other day. Once irritation subsides return to daily use. If irritation still persists or is significant or in the first instance of any swelling, discontinue use and consult your physician.

Is it anticipated that Nu-CIl Eyelash Enhancing Serum might cause discoloration or change in the pigmentation of the iris?

None of our clinical participants showed change in pigmentation of the iris. However, as with other similar lash products, there is a possibility it may cause increased brown iris pigmentation of the colored part of the eye, which would likely be permanent.

Will Nu-Cil Eyelash Enhancing Serum make blonde lashes darker?

Study Participants did experience darker pigment in lashes while using Nu-Cil Eyelash Enhancing serum.

If my skin is considered sensitive can I use Nu-Cil Eyelash Enhancing Serum?

Some individuals may experience redness or tingling from one or more of the ingredients in the formula. If irritation occurs, reduce application to every other day. Once irritation subsides return to daily use. If irritation still persists or is significant or in the first instance of any swelling, discontinue use and consult your physician. This product is intended for use on the skin of the upper eyelid margins at the base of the eyelashes only.

Is Nu-Cil safe if I have had cataract or Lasik eye surgery?

Nu-Cil was not specifically studied in patients who have had cataract or Lasik eye surgery. It is always important to consult with your physician.

A leading competitor uses individual brushes and Nu-Cil is an applicator brush that is repeatedly used. Is our brush sterile and safe?

Yes, the leading competitor uses sterile brushes. Nu-Cil Eyelash Enhancing Serum preservative system in our product was tested using rigorous methods and the product was deemed sterile and safe from these tests.

What is Dehydrolatanoprost?

It is a proprietary lipid compound included in our proprietary blend of ingredients known as NouriPlex™ technology that supports the appearance of lash condition, thickness, volume and density.

Is it possible that while using Nu-Cil Eyelash Enhancing to experience darkening of the eyelid?

We observed no changes in eyelid darkening in any of the clinical studies. The package insert does appropriately reflect the potential risks associated with use of the product.

If I experience eyelid darkening, should I stop using the product?

If you experience eyelid darkening you can seek the advice of an ophthalmologist or a dermatologist to examine any skin color change in pigment that occurs in the skin to assess if indeed it is a secondary effect of the lash serum versus pigment changes that occur in the skin due to other causes. You should seek your physician’s advice concerning the continued use of the product.