Description
It brightens dull and dark skin and provides whitening and moisture management at the same time.
AN Serum Features
Arbutin 5% and Niacinamide 5%
+
Ingredients that do not fall out when moisturizing
Moisturizing care with hyaluronic acid
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Moisturizing and soothing effect UP with various herbal extracts and careful blending
*Contains the maximum of 5% of arbutin, so it is not unpleasantly sticky due to the nature of the raw material, but you can feel the elastic stickiness.
If you are sensitive to stickiness, please refer to it when purchasing⭐
Tip. Keeping it refrigerated will reduce stickiness and make it more effective.

Ministry of Food and Drug Safety Certified Whitening Functional Ingredients
Contains 5% Niacinamide
Ministry of Food and Drug Safety report and test/inspection report

Using the product for just a few days will not show any effect, but you can see the whitening effect if you use it steadily.
[Formulation and feeling of actual use]
✔ Essence formulation with viscosity
✔It is sticky with high content of arbutin 5%.
✔ Artificial flavors are not added, so raw materials may have a unique odor.
(There may be individual differences in the feeling of the formulation.)

[How to use]
After cleansing, gently apply an appropriate amount to the skin and let it absorb.
* Although it is a serum without AN irritation, there may be cases where the ingredients do not suit your skin, so please use it after a patch test on the soft skin part (inside the elbow or wrist).
Term of use and storage method
Avoid direct sunlight, store in a cool place, and use as soon as possible after opening. (Use within 12 months after opening)




Cameron Fields – Austin, USA –
This ampoule brightened my complexion without feeling sticky. The packaging is handy for daily use. I would definitely buy it again.
桜井 遥子 from 東京, 日本 –
これまでに使った中で、Cos De BAHAのアーシトニン5%・ナイアシンアミド5%のアンプールは特別な体験でした。私の日常的なスキンケアルーチンには、一般的にハイドロキノンやレチノールが入っている製品も多いですが、この製品はまるで自然からの贈り物を受け取ったようです。
実際、とても軽いテクスチャーなのでベタつきもなく、その上深く浸透して潤いを与えてくれる印象があります。他社と比較するとリフレッシュ感がより持続し、美しい透明感ある肌へ導いてくれる点が心底お気に入りです。全て天然由来成分のおかげでしょうか。この化粧水には癒されながら自信につながっています!
Chloe Rivas from Toronto, Canada –
I’ve struggled with uneven skin tone for years, but this ampoule surprisingly transformed my routine! It brightened up dark patches quickly and kept my skin soft all day. Truly impressed!