Name: OPTIMAL HYDRATION Refreshing Eye Serum
Brand: Cetaphil
Rating: 4.54 (103 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 a Hwahae Trial Reviewer 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.

Trial Reviewers' reviews undergo the same strict verification process as regular reviews, and if they don't meet our standards, revisions will be requested.

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세타필

OPTIMAL HYDRATION Refreshing Eye Serum

Pills on Skin

Disrupts Oil-Moisture Balance

Not Effective for Wrinkle Reduction

Doesn't Last Long

Causes Allergic Reactions

Contains Artificial Fragrance

Doesn't Increase Elasticity

Lightweight

Not Irritating

Moisturizing

Easily Absorbed

Hydrating

Not Oily

No Eye Irritation

I have not yet identified any unsatisfactory aspects. If any are discovered in the future, I will add them.

As someone who had extremely sensitive skin in my 20s, I spent those years using Cetaphil Gentle Skin Cleanser, Body Wash, and Cream. Thanks to that, I was able to restore my skin health and now have a face that can handle just about anything. 
When buying cosmetics, I tend to purchase them in sets, which means I also get the eye cream that comes with them. Since the skin around the eyes is so delicate, the formula can easily get disrupted, and too much nourishment can also cause issues.
In that regard, I highly recommend the Cetaphil Optimal Hydration Refreshing Eye Serum. I once saw a Cetaphil slogan that said 'When the #1 brand makes it, the results can't be anything less,' and I really feel this company is dedicated to developing technologies that make skin comfortable.
The eye cream's applicator is amazing. It has a silicone tip that allows you to gently massage the sensitive eye area. Plus, the formula is gentle, glides on smoothly, and is incredibly moisturizing and hydrating. (If the size and price allowed, I'd want to slather this all over my face!)
The ingredients include low-molecular-weight hyaluronic acid and blue daisy extract, so this is a great option for those with stubborn dark circles. 
Personally, I prefer fragrance-free products, so that's an added plus for me as well.

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The amount is small and the lid needs to be pulled rather than twisted, which is a bit inconvenient
The lightweight formulation may be insufficient for dry skin or those over 30.

The formulation is easy to apply and absorbs quickly
It doesn't seem greasy, so there's no worry about breakouts.

While it has a silicone tip, the skin feel is not particularly pleasant, so I just squeeze it out and apply it by hand.

In addition to Cetaphil's distinctive fragrance, this product is non-irritating. Those who dislike Cetaphil's characteristic cream scent should avoid it. I found it to be almost fragrance-free. It is more of a cream than a serum, spreading smoothly and evenly across the entire face. However, I was initially surprised when only a transparent liquid came out upon first dispensing it, and had to shake and apply it manually.

When squeezing the cream onto the undereye area, the soft silicone applicator helps dispense it cleanly and evenly.

I can't find any downsides. Try using it to prevent eye wrinkles early on. You'll regret it if you wait until you're older.

The eyes don't feel irritated and are comfortable. I usually can't use eye creams because my eyes are sensitive, but I didn't feel any eye irritation with this one. The cream doesn't feel like it's just sitting on top, but absorbs well into the skin.

If you apply it just after the toner and before the serum step, it absorbs really well and is very convenient!

I feel like the amount is a bit small. I didn't receive it directly as a Hwahae Trial Reviewer, but when I looked up the regular price and sale price, the regular price makes me hesitate to purchase it.

It's so easy and nice to use! It's so convenient that my hands just naturally reach for it!
It's moisturizing without being sticky. While it's called a serum, I think you could think of it as a lotion that's a mix of cream and serum.

The only downside was that the volume was a bit small, but otherwise there were no complaints.

I have sensitive skin, but this feels gentle.
It doesn't sting and has a refreshing feel. It applies lightly.

I don't have any special tips, but if you apply it generously to the eye area and gently pat it in, the formula absorbs well.

The amount feels a bit small, and I'm not used to pulling the lid off instead of twisting it, so I keep trying to twist it.

This review was written by a Hwahae Trial Reviewer 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. Trial Reviewers' reviews undergo the same strict verification process as regular reviews, and if they don't meet our standards, revisions will be requested.

When I apply the eye cream, my eyes look good despite the milia, and there are no blemishes at all, which is great.
I'm quite sensitive to scents, but the unscented one was also good, and the cooling sensation as soon as I apply it was nice.
I tend to avoid eye creams that are too oily, but this one feels more moisturizing than oily, which I liked.
It's also not bulky or heavy, so I can easily pack it in my travel pouch and reapply it whenever needed.

When I apply and do my makeup, the makeup tends to slide off.
Even though it seems to be absorbed well, it still slips off a bit, which is a bit disappointing.

The texture is smooth and non-irritating, which I really like.
It can be applied around the eyes without any stinging or discomfort, and when I apply a generous amount and go to sleep, my skin stays moisturized until the next morning.

There's really nothing disappointing, but it may not be suitable for existing wrinkles.

The spreadability is excellent! It has a lotion-like feel, so it applies smoothly and softly.
The tip is hygienic, so you don't have to scoop out the product with your hands. Although it looks narrow, when you lay it down and press, the contents come out smoothly and in a sufficient amount.
The absorption is good, so there is no irritation around the eyes. The product itself is relatively mild, but the skin around the eyes is delicate, so it's better to have minimal hand pressure. Since the product is short, the hand pressure is minimal, which is good.
There is little oiliness, so the risk of eye area breakouts seems low.
Considering the price range of eye care products, the price seems reasonable.

I've found that applying it around the eyes works well, so I think it would also be good to use on the lips during the winter. I've been using it on the eye and lip areas. ❤️

As with any eye serum, I was a bit disappointed that the volume was smaller than expected.

I thought that since eye serum was unfamiliar, just applying the cream one more time around the eyes would be enough. But now I understand why the Cetaphil eye serum came separately. 🫶🏻 Definitely, applying the eye serum on the eye area made my skin feel more supple, and I was able to smile more without feeling any tightness. 🤗 And the tube format allows me to dot it directly on the eyes, which I really liked. 👍🏻

The scent is not overpowering, but it has a somewhat medicated smell that I'm not too fond of.
The price seems a bit high considering the product volume.

The tube-shaped packaging is unique, and it seems to prevent dust from getting in. The texture is smooth and glides on nicely. While there is a slight oily feel, it absorbs quickly without any stickiness. After cleansing, applying it under the eyes noticeably reduces tightness.
As a person with sensitive skin, I find this product to be gentle and suitable for me.