Name: VITAMIN C EXPERT 40% MASK CONCENTRATE
Brand: IOPE
Rating: 4 (12 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.

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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

아이오페

VITAMIN C EXPERT 40% MASK CONCENTRATE

Hard to Apply

Applies Smoothly

Feels Harsh on Skin

Irritating

Not Sticky

Pills on Skin

Too Watery

Boosts Radiance

Clear

Improves Skin Tone

Improves Complexion

Not Oily

Lasts Long

Creamy

Due to the Vitamin C content, the product may oxidize quickly. It's best to use the sample diligently as soon as you receive it.

The user experience isn't great - it feels like applying a medicated ointment for dark spots. It doesn't absorb well, and there's a tingling sensation when it touches the skin. Even after application, it feels somewhat sticky. The tingling does subside after absorption. I accidentally tasted it when it touched my lips, and it has an extremely bitter flavor.

This is an IOPE sample you can get when you check in at Amore Yongsan in June. It's said to contain 40% Vitamin C, which is the highest concentration among Amore products, and claims to improve both dark spots and wrinkles.

The product seems highly effective, and it's relatively affordable considering its benefits. While I'm not sure about its immediate effects, after some time, it leaves the skin feeling hydrated with a rich texture and good staying power. Applying it before bed and getting a good night's sleep might really improve your complexion.

비타민C 엑스퍼트 40% 마스크 컨센트레이트

The absorption is really poor. It's thick and sticky, making it uncomfortable to apply.

With 40% pure vitamin C, I can really feel my complexion becoming clearer and brighter.

The concept of removing moisture is good, but the spreadability is too thick and sticky.
It is essential to mix it with a moisture ampoule to use it.
Even so, when applied, it is still thick and stinging.
This may be a testament to the high concentration of ingredients...
But interestingly, when I tried to apply the Esnature Squalane Cream after this product, the cream became watery and fluid, unlike before. It seems the ingredients do not match, or the formulation has been transformed.

This product has had all the moisture removed so that the vitamin C components can be used for a long time without any changes.
The high content makes the effects quite noticeable.

However, I won't be repurchasing due to its inconvenient application and not-so-budget-friendly price. Applying this feels like you're spreading an incredibly thick mineral sunscreen on your face.

I tried this product after receiving a sample. Initially, I was hesitant due to its unusual texture, but I decided to give it a go. Surprisingly, my skin looked great the next day! As someone with extremely oily skin, I noticed that my face seemed less greasy than usual.

The absorption is very odd... It's the first time I've experienced such a thick consistency, almost like applying starch water...? It's much thicker than BB cream. Since it's a vitamin and pore care product, there is some irritation. On sensitive areas of my face, it stings like The Hwahae Testers' 'Little Shot', but it's fine on the rest of my face.

It hardly produces any excess oil and feels like it instantly adheres to the skin when applied. There's definitely no sensation of it sitting on top of the skin. While it seems like a night care product for improving dark spots and blemishes, strangely it appears to have a brightening effect? My skin looks lighter after application.

Naturally, given its high concentration, it can be a bit irritating to the skin

I could see my skin getting brighter. The results are amazing! Thumbs up!

Due to the product's nature, squeeze from the end when using. It might feel a bit stiff coming out at first.

I wish the quantity was a bit more generous. That's the only slight disappointment, but overall it's great.

Absorbs instantly! Zero stickiness! I've found my holy grail product. I've never experienced a product with such a non-sticky finish before.

The texture is quite thick when applying~ Make sure to pat it in~ Otherwise, it pills like dead skin cells~

[Hands: extremely dry, Feet: dry, Lips: extremely dry, Scalp: oily, Face: combination dehydrated skin, Body: dry]
[Complexion 23-24, Concerned about makeup settling into under-eye wrinkles, Lip line discoloration, Brown dark circles, Good skin texture but worried about pores, No major blemishes but severe redness on cheekbones]

• It's fragrance-free~
• It's an opaque white color~
• Contains 40% pure vitamin in the ingredients!!!!!
• Absorbs well~
• Not sticky at all~
• The day after application, you can really feel your skin brightening!!!!
• No redness or blemishes, but be careful on wounded areas as it may sting~

It felt like my hands were coated with something that wouldn't wash off easily, and it was irritating on my face. I don't think I'll use it again. Before even considering its effectiveness, the application experience wasn't pleasant.

I used the sample right away since the back of it said to use within a week of receiving. The texture is a bit like white clay. I thought it would spread easily on my face, so I rubbed it between my palms, but suddenly it hardened, which caught me off guard. When I tried to quickly apply it to my face, it didn't spread well.

→ Recommend mixing with a drop of oil. This slightly reduces the concentration, but even at 37-38%, it remains high-strength and is much more comfortable to use.

→ Might be suitable for solo use in summer? Will update review in summer.

✗ Live stream suggested morning application, but that's absolutely impossible! They claimed it pairs well with caffeine, but the combination is terrible. It significantly increases stickiness.

✗ Thick texture reminiscent of mineral sunscreen and ointment. While not sticky, it leaves skin feeling extremely dry and tight. This sensation worsens over time. Barely noticeable on the back of the hand, but quite intense when applied to the face.

✓ 40% Vitamin C
✓ 12-month shelf life after opening, despite 40% pure vitamin content.
✓ Truly delivers instant brightening effects, visible the very next day.

Korean Reviews

VITAMIN C EXPERT 40% MASK CONCENTRATE

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