Name: PURE VITAMIN C E FERULIC ACID ULTIMATE
Brand: hsgn
Rating: 4.67 (70 reviews)

Rich and earthy shades like mustard yellow, olive green, and chocolate brown look great on you

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High-contrast and bold shades like pure white, black, icy blues, and deep reds look great on you

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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.

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혁신개념

PURE VITAMIN C E FERULIC ACID ULTIMATE

Feels Harsh on Skin

Irritating

Leaves a Sticky Residue

Unsatisfactory Scent

Causes Allergic Reactions

Not Moisturizing

Causes Itching

Improves Skin Tone

Boosts Radiance

Increases Elasticity

Easy to Apply

Has an Anti-Aging Effect

Clear

Improves Skin Texture

Vitamin C is known to be a tricky ingredient to handle.
When the brand is unclear, it seems like a good idea to check where the product is manufactured before making a purchase.👍

I've been using a lot of functional ampoules, and the one that leaves the most stickiness is the worst. Normally, when I follow up with a finishing cream, it absorbs naturally into my hands without any stickiness. 
This one, however, absolutely leaves a sticky residue on my hands.
Also, due to the nature of the ingredients, it has a very short shelf life, and storing it in the refrigerator is a huge hassle...haha.

I've been using this product exclusively. 
Among the various vitamin C products, this is the one I've settled on. 
I believe that antioxidant-function products are essential in one's 30s, and I was looking for one that contains pure vitamin C, ferulic acid, and vitamin E.
At first, I was honestly hesitant about the brand name as it seemed a bit too small-business-like and juvenile.
However, the manufacturer is Kolmar Korea, and the ingredients and their amounts are clearly labeled, so I went ahead and purchased it.
Ultimately, I'm satisfied with the absorption rate, application, and price, so I've been using it consistently.
The volume is 15ml, and it's sold as a 1+1 deal, but I essentially consider it a 30ml product in terms of the price.
Vitamin C cosmetics need to be refrigerated after opening and used up quickly, so I think this packaging is suitable.

20% 순수 비타민 C E 페룰릭 얼티밋

It's a shame - the amount is small, but as with many high-quality and expensive cosmetics, I suppose the purity and quality of the ingredients justifies the price to some extent.

The good points
- Even though I have dry skin, it flows down smoothly when applied with a dropper.
- It absorbs quickly and makes my skin feel very plump.
- I've tried all sorts of vitamin products, but the stubborn areas that wouldn't fade started to lighten up with this innovative vitamin serum. It seems the high concentration of pure vitamins is why the effects are so immediate.

Even if it stings a bit, I recommend applying a toner right away or layering a thin serum before using it. It's important to allow the product to absorb into the skin quickly. 
Hwahae, please be very careful when applying sunscreen. Improper application can lead to vitamin darkening. You really need to be cautious in the morning.
I also suggest looking into other whitening ingredients like glutathione or niacinamide and using them together. Apparently, using them together is more effective. And don't use them sparingly like I do - other people say they see a noticeable brightening effect when they use a generous amount.

Apart from the stinging sensation, there is nothing else... But since it's 20%, it's quite understandable. If it's not stinging, it's probably a scam from China - you should try it out once.

I've been using the 1+1 purchase from Naver so far, and I don't know if I'm the only one, but I use about 6 drops each time I use it. I bought it in February and have been using it until now in April. It seems a bit expensive for such a small amount, but even though I'm trying to use it sparingly, it's really good. Of course, since it's 20%, I have to use it carefully.

I also use Leedle Shot and retinol. Fortunately, retinol doesn't irritate much, but Leedle Shot really hurts, so I have to use them alternately. I apply them morning and evening, and I'm trying not to miss a day, as I'm also supposed to apply vitamin C in the morning. With diligent sunscreen application and thorough management, my complexion has definitely brightened.

In the past, my skin tone was poor, with severe dark circles and a dull, dark complexion, but these days, even when I mix 10 and 15 shade concealers, it looks natural. Of course, I also use glutathione and niacinamide serum, which are said to be good.

It's been about two months since I started using it, and I plan to continue using it. I realized the importance of whitening after turning 25, and I think it's worth trying if the Hwahae rating is over 4.6.

When using it for the first time, it may feel a bit irritating, so it is recommended to apply other products first before using this one.

The product has excellent spreadability and absorption. It can be used by all skin types.

Vitamin C should always be stored in the refrigerator.
It doesn't discolor at all and stays nice and cool.
Just wash it and put it straight in the fridge, haha.

There isn't one. It's over 20 characters, you know.
Really, there isn't one. OMG.

It's so good.
The usage feels so nice that I wonder if it really is a high-concentration vitamin C product.
I wonder what kind of technology this is♡
I want to keep using it

On the first day, I applied the vitamin C serum after toning and followed it with a moisturizer. I didn't experience much irritation, so the next morning, I started applying it right after cleansing.
I read that vitamin C is water-soluble, so you should leave a bit of moisture on your skin after cleansing and then apply the serum. (Personally, I find that a little bit of moisture helps the serum spread more evenly.)
I apply it in the morning and finish with sunscreen.
They say applying it in the morning is better for antioxidant protection.
Next, I'll try retinol, and then I might give the Laneige Radian-C Cream a try.

It is inconvenient to store in the refrigerator, but I understand that it is unavoidable due to the ingredients.
The sticky feeling is uncomfortable. I'm not sure if I'm sensitive to touch, but I don't like the feeling of my hair sticking to my face.
I don't think I can do double layering, even though they say you can get used to it.

Recently, I've been experiencing small pimples and increased oiliness. I've stopped using the Estrada cream I've been using for years and have been searching for other skincare products. I heard that a vitamin C ampoule helps with whitening, small pimples, and anti-aging, and that it's a good value, so I purchased an innovative concept ampoule. It's only been 3 days, but there's no irritation at all, so I've been diligently applying it morning and evening, even doing a double layer. (It does sting a bit on freshly popped pimples, but it's bearable.) 
I'm not sure if it's just in my head, but on the first night after applying it, I felt like my skin texture became smoother the next day. The small pimples also seem to have calmed down.
It'll take some more time to see the full results, but I'm hopeful.

My skin is very irritated.
It stings and something has come up on my face, so I only use it when my skin is in good condition.

I'll use this and if there are no major issues going forward, I plan to settle with it.
I've been using those so-called 'Vitamin C ampoules' that don't actually contain any vitamin C, but only niacinamide. After using a real vitamin C ampoule, I can really tell the difference.

When my skin condition is poor, it's really painful and difficult to apply it.

The pores seem to have tightened, and there's a bit more elasticity - I like it.

It's been 3 days since I started using the product, and my face has become inflamed and irritated.

The product seems to have good spreadability and absorption. It may be suitable for various skin types.

According to dermatologists on YouTube, it's better to apply vitamin C serum and then wait a bit before applying moisturizer or cream, rather than putting on the cream right after the serum. They say that simply applying a cream to raise the pH of the skin acidified by the serum is meaningless. The recommendation is to apply the serum, let it absorb for a bit, and then slowly apply the moisturizer.

Vitamin C serum does tend to be somewhat irritating, and it needs to be stored in the refrigerator and kept away from light, as it can spoil quickly. Additionally, it comes in small bottles that get used up quite fast, which can be a bit of a hassle.

I'm currently using the second bottle after finishing the first one. I tried the Cosrx Vitamin C Serum a few months ago because I heard it's great for antioxidation. The Vitamin C serum is relatively affordable, so I thought I'd try it even if it didn't suit my skin - I could just throw it away. I was a bit worried and hopeful at the same time because I heard the Vitamin C serum can be a bit irritating, and my skin type is very sensitive.
The Vitamin C concentration is over 20%, so it was a bit irritating at first - a stinging and tingling sensation. But I persisted and used it for a few weeks, and my skin gradually got used to it, so it wasn't as stinging anymore. After using it for a few months, it was fine except on days when my skin was extra sensitive. So I thought my skin had adapted to Vitamin C, so I tried switching to a serum with an innovative concept that's also good for the ingredients. But surprisingly, it was even more stinging when I first applied it, even though the Vitamin C concentration was similar to the Cosrx one. I thought I absolutely couldn't use it, but since it was expensive, I persevered and used it for over 2 weeks, and it gradually got better. Now, there's just a slight tingling sensation at first, but it subsides in 2-3 minutes. It seems the initial stinging sensation of Vitamin C serums doesn't last as long as irritation from Vitamin A or other active ingredients. If you want to try Vitamin C serums, keep this in mind and give it some time to adjust.

1. After using it, I felt some itchiness on the sensitive areas of my skin.

1. I purchased it on the Naver Smart Store for around 20,000 won with a 1+1 deal. It was great to be able to purchase it at such an affordable price.

2. Since it's a small-sized pure vitamin C product, it was convenient to use it up quickly before the expiration date.

3. My skin felt slightly brighter and more supple.

To maximize absorption, avoid applying the next product for 1 minute!

While it's not overly irritating, on the days I used it consecutively, it did feel a bit stingy and itchy in some areas. So I had to either space out the usage or apply a mask or cream on top after about a minute.

The ingredients feel like they were carefully selected and formulated. In addition to vitamin C, E, and ferulic acid, it also contains good ingredients like glutathione. The packaging is sturdy and not tacky considering the price. I also found that despite the high vitamin C content, the texture is not sticky at all and applies smoothly. It's a texture between water and oil, not as slippery as an oil but not as refreshing as water either.

hsgn PURE VITAMIN C E FERULIC ACID ULTIMATE Reviews

2 Reviews