O.S.T Original Pure Vitamin C20 Serum Review

O.S.T Original Pure Vitamin C20 Serum Review

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Today I would like to introduce O.S.T’s Original Pure Vitamin C20 Serum.

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It’s a vitamin serum that will vitalize and clear up skins that are dry and lack elasticity.

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Water soluble vitamin serum penetrates deep into the skin and straightens uneven skin tone therefore clears up skin tone.

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It contains 20% of 100% pure vitamin C – not vitamin C derivative or synthetic vitamin.

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Natural soothing, moisturizing components embraces sensitives skins, too.

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O.S.T Original Pure Vitamin C20 Serum Review
O.S.T Original Pure Vitamin C20 Serum Review

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External appearance. It’s in orange box and the orange color make me think of vitamin automatically.

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After opening, keep in cool place since it is water soluble oil free serum that contains pure vitamin C.

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There are the product and spoid in the box.

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It is suggested to switch the cover with the spoid.
It’s more hygenic and comfortable.

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Heard from professor when taking aroma therapy class, natural products and extracts are sensitive to direct lights.
So they are bottled in brown bottles. It’s a basic theory.
and cold storage is essential for fresh and longer use.
Especially vitamin C products oxidates quickly when mixed with liquid.
So it’s best to use it up ASAP or store in cool and sealed place away from direct light.

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You can control the amount you use by drops with spoid.

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It’s not that viscous. Bit sticky.

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Tried on back of hand.
Spread and pat for absorbtion.
Didn’t notice when spreading, but it gets very sticky when patting.

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Feels like stamping skin with tape..lol

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Used for 3 days. Whether it is effect of the serum or not, feels like darkened skin tone due to boil got little bright ^^

One more thing, it might sting a bit at first use.

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There would be no one throwing out after first use if they had read manual or instructions on box^^
But do not use when there are continuous irritation.

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When you are going to use vitamin C product,
It is more effective to use products containing natural vitamin C rather than vitamin derivatives.
and it is effectful when using products with more than 10% of vitamin C.
To boost absorption, clear up the skin with keratine caring cleanser or toner before use.
and apply moisture cream or moisturizing products after serum.

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If you are using vitamin C product on daytime, be sure to put sun block.
Vitamin C oxidates easily with air, light, and heat. This might affect our skin, too.

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Vitamin C protects our skin from damages of sun and decreases melanin formation.
Also neutralizes harm oxygens in skin and protects our skins.

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Other effects of vitamin C are,
1. Boosts formation of ceramide which enhances skin barrier.
2. Makes smooth skin by removing keratines.
3. Acts against inflammation.
4. Protects damages by inflammation and keeps skins strong.
5. Boosts collagen formation in skin. Since collagen directly affects skin elasticity, vitamin C can be said to be the terminator on the list of anti-aging components.

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What a good component?
You can make smooth skin texture with clear and even skin tone by steadily using vitamin C product:)

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I have to have more time, but if changes like this on my skin continues, I would like to purchase more ^^
Expecting clear skin, I am using C20 Serum enthusiastically.

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OST C 20 Original Pure Vitamin C20 Serum 30ml

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