Rohto Pharmaceutical’s Obagi C Serum Series

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Obagi C Serum Series
Photo credit: https://www.obagi.co.jp/c/

1. What’s Obagi C Serums?
2. Benefits of Obagi C Serums
3. Which one should I choose?
4. Obagi C5 Serum
5. Obagi C10 Serum
6. Obagi C20 Serum
7. Obagi C25 Serum Neo

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What’s Obagi C Serums?
Obagi C Serum series from Rohto pharmaceutical was co-developed with Mr. Obagi, a famous skincare researcher in Los Angels. The series has 4 types of serum, and all of them include highly concentrated pure vitamin C*.

It requires high technology to let vitamin C soak into skin, but Rohto pharmaceutical, one of the biggest Japanese pharmaceutical companies, made it possible by its original technology.

Especially, pure vitamin C is easy to break before getting horny cell layer, but Rohto successfully made the pure vitamin C into a small and stable molecule so that it can reach the layer. Also, pure vitamin C works more quickly than the other vitamins, and it means the pure vitamin C works in the skin before breaking.

When it comes to skin brightening and improvement of skin texture, vitamin C is always mentioned. In addition, all the serums from this series include vitamin E** as well. If you wanna add the power of vitamins to your daily skincare, Obagi C Serum series would be the best choice.

*pure vitamin C: ascorbic acid
**vitamin E: tocopherol

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Benefits of Obagi C Serums

Photo credit: Fruit photo created by azerbaijan_stockers – www.freepik.com

The biggest benefit of these serums is good effects of vitamin C. Vitamin C is famous for helping fade pigmentation,  inhibiting melanin production in skin, reducing redness and the appearance of existing wrinkles and promoting collagen production, and these effects result in even skin texture and clear skin. Also, inhibiting melanin production contributes to the prevention of spots and freckles.

In addition, vitamin E promotes good blood circulation, and it results in promoting skin turnover cycle and preventing spots and freckles.
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Which one should I choose?

Obagi C Serum SeriesPhoto Credit: https://www.obagi.co.jp/c/

Obagi C Serum series has 4 types of serums: C5, C10, C20 and C25. The higher the number, the higher the concentration.

Targeted people of each product described on the company’s official website are as follows:

  • C5 is for those who want to improve skin texture,
  • C10 is for those who want to improve skin texture and pores,
  • C20 is for those who want to make skin smooth as well as improve skin texture and pores, and
  • C25 is for those who want to improve skin resilience and reduce wrinkles caused by dryness in addition to improving skin texture and pores and making skin smooth.

In short, C25 is a comprehensive solution for most of skin problems.

I recommend you to pick up the serum depending on the severity of your skin problem. If your skin problems are severe, try C25. If you don’t have severe skin problems, C5 or C10 would be the good choice for preventing potential skin problems such as rough skin, spots and wrinkles.

One thing you have to be aware of is that vitamin C tends to cause some kind of skin disorders because vitamins might be irritative agent against your skin. If you have a sensitive skin, these serums, especially the ones with high concentration, might cause pimples, redness or things like that. Please use these products according to how your skin responds to them.
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Obagi C5 Serum

C5 Serum includes pure vitamin C and vitamin E. This serum works as a moisturizer, improves skin texture and helps you get smooth and clear skin. C5 is suited for those who started feeling that the bumpy skin bothered you. This can be used both in the morning and at night. Apply the C5 Serum (3~4 drops) after skin lotion.

● Price: 3,300 yen (tax included)
● Quantity: 12ml
● Rating on one of the biggest Japanese review sites: @cosme
● Search term: 
オバジ C5セラム
● Official website: Obagi C5

You can purchase it here >>> Rakuten Ichiba

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Obagi C10 Serum

Two sizes are available only for C10 Serum: regular size (12ml) and large size (26ml). Pure vitamin C and vitamin E are included, and effects are the same as C5’s ones. The density of vitamin C in C10 is higher than C5. C10 is suited for those who want to care pores as well as bumpy skin.

This can be used both in the morning and at night. Apply the C10 Serum (3~4 drops) after skin lotion.

● Rating on one of the biggest Japanese review sites: @cosme

<Regular size>
● Price:
4,400 yen (tax included)
● Quantity:
12ml
● Search term:
オバジ C10セラム レギュラーサイズ
● Official website: Obagi C10 (Regular)

<Large size>
● Price:
7,700 yen (tax included)
● Quantity:
26ml
● Search term:
オバジ C10セラム ラージサイズ
● Official website: Obagi C10 (Large)

You can purchase it on Rakuten Ichiba >>>
Regular (12ml)
Large (26ml)

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Obagi C20 Serum

C20 Serum also includes pure vitamin C and vitamin E. The effects are same as C5 and C10, but the concentration of Vitamin C is higher than C5 and C10. C20 is recommended for those who want to improve skin transparency as well as pores and bumpy skin.

This can be used both in the morning and at night. Apply the C20 Serum (3~4 drops) after skin lotion.

● Price: 8,800 yen (tax included)
● Quantity:
15ml
● Rating on one of the biggest Japanese review sites: @cosme
● Search term:
オバジ C20セラム
● Official website: Obagi C20

You can purchase it here >>> Rakuten Ichiba

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Obagi C25 Serum Neo

C25 Serum Neo is one of the top selling Japanese skincare products. This serum appears on SNSs and magazines very often, and there are many people who are addicted to this product. I believe every Japanese woman knows or has heard about this product! Furthermore, it is highly rated on the biggest review site in Japan, @cosme.

C25 Serum Neo has the highest concentration among these Obagi C serums. This serum improves small wrinkles caused by dryness around mouth as well as pores, skin dullness and helps you get clear and resilient skin.

This can be used both in the morning and at night. Apply the C25 Serum Neo (4~5 drops) after skin lotion.

● Price: 11,000 yen (tax included)
● Quantity:
12ml
● Rating on one of the biggest Japanese review sites: @cosme
● Search term:
オバジ C25セラム ネオ
● Official website: Obagi C25

You can purchase it here >>> Rakuten Ichiba

 

\\\Author’s comment///

Rohto’s Obagi C serum series is really popular and famous in Japan. Vitamins have good effect on our skin, and I’m actually realizing that. If you are looking for a skincare product which delivers vitamins into your skin, I’m pretty sure these products would be the right decision.:)

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