Name: Cytokine™ Eye Lash Dual Ampoule
Brand: REFILLED
Rating: 4.5 (210 reviews)

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This is a Health Functional Food certified by the Ministry of Food and Drug Safety (MFDS) of Korea, designed to help maintain and improve your health.

This review was written by The Hwahae Testers who received the product for free and evaluated it with a sense of representing Hwahae. The review is completely unbiased and honest, with no guidelines or restrictions.

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Tell us about what you liked - texture, results, skin type, etc

Tell us what didn’t work - texture, skin reaction, or why you wouldn’t recommend it

리필드

Cytokine™ Eye Lash Dual Ampoule

Poor Brush Quality

Stiff

Not Easily Absorbed

Causes Allergic Reactions

Sits on Skin

Clumps

Not Sticky

Not Irritating

Doesn't Sting

No Eye Irritation

Doesn't Drip

Easy to Apply

Not Oily

So far, I don't have any particular complaints. No blemishes either!

The texture feels pretty nice! I'll keep using it consistently for a few months.

사이토카인 아이래쉬 듀얼 앰플

This product seems to be a great solution for those experiencing age-related lash thinning or loss from lash treatments. Its dual-purpose formula for both lashes and brows makes it a cost-effective option, despite the initial price. The quick results and gentle formula are definite pluses. However, users should be mindful of hygiene practices to prevent contamination and potential eye irritation. Overall, it appears to be a promising option for those looking to enhance their natural lashes and brows.

The price point is a bit high.

Compared to the popular E*ude lash serum (which often goes on sale), this might seem expensive.

I've tried that product too, but didn't see results. I also found its brush-type applicator a bit tricky to use compared to a mascara wand.

A point of caution, which could be seen as both a pro and a con:
Since the brush and sponge directly touch your lids and brows, you should wipe them clean after each use for hygiene. Yes, it wastes some product, but it's better than risking an infection.

They likely included extra product anticipating this and the 6-month expiration, so don't try to save it by putting it back in the tube without cleaning.

Since it touches the skin, there's a higher chance of dead skin cells getting on the applicator, so be extra careful.

Make sure to discard after 6 months.

As someone who never thought I'd need an eyelash serum, turning 40 changed that for me. With sensitive skin, I rarely wear makeup and never got eyelash perms. In my 20s, my lashes were about 11mm long, so I didn't pay much attention to them.

A few months ago, when I was getting ready for a full face of makeup for my cousin's wedding, I noticed the outer 3mm of my lashes had suddenly become much shorter, like a step. I thought they might have been accidentally plucked and would grow back, but months later, there was no change.

Then, a YouTuber I follow mentioned buying a serum after seeing another influencer use it. Apparently, that influencer's video showed her trimming her lashes because they had grown so long! The YouTuber I watch said she saw results too.

An serum that makes your lashes grow so much you need to trim them? That's shocking and intriguing, isn't it?

When I researched the brand, I found out they actually specialize in hair loss products. It makes sense - lashes are hair too. They must have developed a gentler formula for use around the eyes.

When I received the product, it came with a lash measuring tool. My current lash length was 8mm, with the outer corners at just 5mm. I guess they've shortened with age. I thought my drooping eyelids were making them look shorter, but they've actually gotten shorter.

The applicator has a sponge tip for applying to the lash roots, and a mascara-like brush for the brows.

I didn't experience any irritation or burning when applied to my lids.

I purchased on May 8th, 2025 and started using it on May 24th (16 days of use).

After just two weeks, the 5mm outer lashes grew to 6mm and are now about 7mm.

The longest lashes have reached 9mm, but only a few. Overall, they're about 8mm now. With continued use, they might grow a bit more.

The best thing about this product is how quickly it helps regrow suddenly shortened lashes!

I highly recommend this for anyone who's lost lashes from perms, extensions, or false lashes.

If you notice your lashes falling out easily after a few uses of those treatments, it's best to stop and nurture your natural lashes instead. Chemical damage can lead to permanent loss.

Seeing almost full recovery and some length increase in just 16 days makes this product worth using.

For me, at 40, it seems like I'm experiencing some lash loss, so I'll keep using it preventatively.

I was initially scared of lash serums because of the risk of increased shedding or potential eye damage if misused, but this one was fine.

This brand seems to really understand women's hair loss concerns. Women often experience thinning along the hairline from tight hairstyles, and lash loss from curlers and mascara. It's clever that they've created one product to address both areas.

In a way, it's like getting two products for the price of one, so if you think of it as paying 14,000 won each for a lash and brow serum, it's not a bad deal.

The brush is a bit rough and stiff, which is disappointing. Also, the price is quite burdensome.

Since I frequently get lash perms, my eyelashes have become weak and tend to fall out easily. However, since I started using this product, I've noticed less lash fallout.

There is really nothing, but I will fill it up as you requested 20 characters. Still not enough, so one more word..

My eyelashes were almost non-existent, so I've been getting extensions for 7 years, and I just couldn't stop. To be honest, I kept seeing the Instagram ads and bought it with some skepticism, and when I used it for about 2 weeks, I started to see some effects little by little. Even now, they're not super long, but I've escaped the 'almost non-existent' stage. There's absolutely no eye irritation, and I'm extremely satisfied - highly recommended product.

There were no particular shortcomings. The problem lies in my inability to apply it properly...

My eyes didn't hurt. The other things hurt a little, but this one didn't.

First off, please redesign the brush. The quality of the brush is really subpar.

Disappointment: After seeing rave reviews on Instagram, I bought this mascara. Now, 3 weeks in, I can't say there's anything particularly special about it. In the first week, the round tip of the brush fell off, and both sides of the brush are so stiff that it doesn't apply well to my lashes. It's also quite pricey.

Positive note: When I used to use E brand's mascara, even a tiny bit in my eyes would hurt a lot. With this product, unless a significant amount gets in, it doesn't cause discomfort.

For quicker results, try layering the product! It absorbs so well that you can easily apply multiple coats. Also, use the sponge-tipped brush to gently touch each of your lower lashes - it's great for maintaining those often-neglected under-lashes!

The brush feels a bit clunky compared to the thin formula. I wish it was smaller with fuller bristles - it seems like the brush and the formula don't quite match up. While this product shows results faster than any other I've tried, improving the applicator would make it truly outstanding!

This review was written by The Hwahae Testers who received the product for free and evaluated it with a sense of representing Hwahae. The review is completely unbiased and honest, with no guidelines or restrictions. The Hwahae Testers' reviews undergo the same strict verification process as regular reviews, and if they don't meet our standards, revisions will be requested.

I've been using this for about two weeks, and wow, the change in my lashes is dramatic! They've definitely grown longer and look prettier than before. The formula has a slightly thicker consistency than water, which I love because it absorbs well instantly. I've used other brands before where the product felt like hair gel, leaving droplets on my lashes and not really sinking in. But this one absorbs quickly, allowing for multiple applications. It's perfect for those who want to see faster results in their lashes!

Among all the eyelash serums I've tried before, this was the only one that... stung my eyes. I was surprised as it was my first time experiencing a serum that caused eye irritation.
I tried to persevere for about 3 days, but then decided it would be better to use it exclusively for my brows rather than enduring the discomfort. For those of you looking to enhance your eyebrows, consistent use might help promote eyebrow growth!

I was so satisfied with the formula! Heavy eyelash serums can be burdensome and uncomfortable to use during the day, but the Refilled Cytokine Lash Serum has a lightweight yet moisturizing texture that's perfect for both day and night use without any discomfort!
The dual brush design is great too - I used the white wand for my lashes and the black screw brush for my eyebrows. It's convenient to have separate applicators for different purposes!
The round wand was perfect for precisely applying the serum to the lash roots!
And I noticed my eyebrows seemed slightly fuller!

After applying, keep your eyes closed for about a minute to allow the product to absorb.

I didn't really have any major disappointments while using this product. If I find any, I'll update my review.

I've been using this for just over two weeks! Both photos were taken with mascara on. The first photo was taken before I started using the product, and the second one was taken after using it for over two weeks, right before writing this review! You can clearly see the difference - my lashes have become much fuller!! I'm so satisfied with the results. If you get lash perms, it's absolutely essential to use a lash serum like this to nourish your lashes. I also recommend this for people with allergies and rhinitis! Highly recommended for anyone who gets lash perms. I used to rub my eyes a lot due to rhinitis, causing my lashes to fall out, but since using this, it seems like fewer lashes fall out even when I rub my eyes.

They suggest using one side along the hairline, but since I already have plenty of baby hairs and thick hair, I didn't really need to use it there. Instead, I used it on my eyebrows, which worked really well. Once you've used up the lash side, you could probably switch and use the other side for your lashes too.

I was honestly a bit shocked by the price. It would be great if it could be just a tad more affordable.

After getting an eyelash perm for the first time in a while, I noticed my lashes had become so short that I couldn't tell if I'd even had it done. Just as I was considering applying some kind of nourishing treatment, I was lucky enough to be selected for The Hwahae Testers, which put me in a great mood to try this product.

First off, there was no eye irritation, and the applicator was so delicate that it was easy to apply. I'd experienced slight stinging with other products before, so I was a bit worried at first, but when I applied this one, it felt cool and pleasant.

While I didn't notice any dramatic changes after a week of use, I tend to rub my eyes a lot, and I found that I was losing fewer lashes and they felt stronger overall.

Korean Reviews

Cytokine™ Eye Lash Dual Ampoule

1 Reviews