Name: Power 10 Formula Effector AD [CO ELASTICITY CHIEF]
Brand: IT'SSKIN
Rating: 4.53 (384 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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잇츠스킨

Power 10 Formula Effector AD [CO ELASTICITY CHIEF]

Heavy

Causes Itching

Absorbs Well

Doesn't Last Long

Causes Allergic Reactions

Increases Elasticity

Creamy

Easy to Apply

Easily Absorbed

Moisturizing

Not Sticky

Has an Anti-Aging Effect

there were no particular disappointments. i've been using it well these days

It's great to use when drying. It worked especially well during the seasonal changes.

파워10 포뮬라 이펙터 AD [씨오탄력보스]

The size was small
The moisture did not last long
As for whether the elasticity increased, I'll have to try it more

The product applies smoothly, absorbs well, and has good ingredients.
I felt like my skin became more moisturized.

I'm satisfied with the product I'm using, so there's not really anything I'm dissatisfied with, but I tend to apply it in multiple thick layers, so I wish the volume was increased.

The formula has a viscous texture rather than a flowing water-type, so it doesn't run. It's not overly sticky or high in viscosity, so it can be used comfortably.
The product has a smooth application and a satisfactory finish. The viscosity of the contents is just right, so it glides smoothly on the skin and has moderate absorption. The Itskin Collagen Boss leaves the skin feeling soft, firm, and moisturized after application, with a refreshing finish without stickiness.
It's a soft and moisturizing type. It effectively addresses both surface dryness and deep-seated dryness. It prevents the skin from feeling taut, so base makeup can be applied without causing cracks or wrinkles, which is very satisfactory.
There were no issues with irritation, stinging, or redness during use, so it could be used with confidence.

The quantity is too small.
It seems moist but not very effective in terms of elasticity.

It has good spreadability and a pleasant feel.
It is moisturizing and does not feel sticky.
There are no issues with blemishes or clogged pores.
It is a reliable ampoule.

The absorption power may be a bit disappointing, but it doesn't have a greasy feel.

This is a heavy-feeling ampoule with excellent spreadability.

There were no troubles, negative recommendations, or disappointing user experiences.

The formula is non-sticky and chewy, spreading well and absorbing readily.

The ampoule formulation was too thick, making it inconvenient to use with a dropper.

It's a decent ampoule.
It's a bit heavy for summer use, but I used it well during the winter.

Small amounts are sufficient for moisturizing, but since the volume is small, it gets used up too quickly.

Gentle ingredients that can be used even on sensitive skin, and there is no unpleasant tightness, so it is good.

The finish is appropriately moist and refreshing, making it suitable for use in all four seasons. I'm not aware of any drawbacks.

The formulation has a moderate viscosity, which allows for rapid absorption, and after absorption, the skin feels supple. It does not leave a greasy finish, which is great.

There were no major flaws, but it was disappointing that no significant advantages came to mind either.🥲

It's Skin Power10 Formula Effector AD Elastic Boss Ampoule Review
I bought this ampoule because I needed a collagen ampoule, and it was an ordinary ampoule!
The smooth application and fast absorption were good☺️
This is a product that even those with sensitive skin can use👍🏻

The ampoule...hardens extremely quickly. I couldn't even use 1/3 of it before it hardened :(

It has a good viscosity, making it easy to apply.
The dropper's bent shape is also a plus.

The dropper is bent, which makes it inconvenient to dispense the product. 
During the winter, the formula seems to harden more, making it difficult to get the product out.

The gel-type formulation of this ampoule is quite dense. It seems to have good moisturizing properties as the hydration lasts for a long time.
However, I've developed some small bumps on my skin, so I've had to discontinue using it.