KIEHL’S
Kiehl’s DS Line Concentrate 12.5 C, 50ml
Kiehl’s DS Line Concentrate 12.5 C, 50ml
Vitamin C* serum
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• Authenticity guaranteed.
• Ships direct from Japan in 3-5 days
• Custom duties & tariffs fully handled by us for US customers.
• Track your order via USPS, Royal Mail, Canada Post, Australia Post.
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What it is
Ingredients
How to use
After washing your face and applying lotion in the morning and evening, apply 2-3 pumps to your entire face.
We ship internationally from Japan!
Frequently Asked Questions
Are the products you sell authentic?
Authenticity is 100% guaranteed. We source directly from the brand, or from official stores within Japan.
All products are fresh off the shelves and never outdated.
What are your shipping rates?
On orders under US$75, shipping is a flat US$20 to the United States and US$10 to all other countries.
Orders of US$75 or more ship free, applied automatically at checkout. Your exact shipping cost is shown before you pay.
How long does delivery take?
These estimates are for International Airmail (Tracked) and include 3 to 5 business days of processing in Japan.
- United States: 12 to 15 business days
- Canada, United Kingdom, France, Germany: 9 to 12 business days
- Australia, New Zealand, Denmark, Finland, India, Indonesia, Italy, Netherlands, Spain, Sweden, Switzerland: 10 to 13 business days
- China, Hong Kong, Malaysia, Singapore, South Korea, Taiwan, Thailand, Vietnam: 8 to 10 business days
- Rest of the world: 11 to 18 business days
Actual delivery can be affected by customs clearance, seasonal congestion, or carrier delays in the destination country, all of which are outside our control.
Do you offer express shipping?
Yes. As of 22 July 2026, we offer International Express Mail through Japan Post. The cost is based on order weight and is calculated automatically at checkout.
Will I pay customs or import fees?
US orders: No. As of July 1, 2026, all US orders ship DDP (duties delivered prepaid), meaning we prepay all import duties on our end. Nothing is due at your door.
Orders outside the US: Possibly. Duties and import taxes are set by your local customs authority and are not collected at checkout, so any charges on delivery are your responsibility.
We're working on rolling out prepaid duties for more countries soon.
This is a vitamin serum that I have been purchasing repeatedly for years. The moment I apply it, I feel a gentle warmth and know it's working. After using it, my pores feel tighter, and my makeup goes on so much better, which is why I can't live without it. I feel so uneasy without it, and it's a serum I want to continue using for a long time to come.
It is classified as a beauty serum, but it is a yellowish, smooth cream. It has a citrus scent. It is a cream that does not feel moist, but feels warm when spread. It feels like a smooth base for pores. I use it to get rid of pores on my nose and cheeks and blemishes around my eyes, but I feel it is especially effective on the pores on my nose. Depending on the compatibility with the makeup base, it may cause flaky skin, so it is best to use it at night.
I have sensitive skin, but I was able to use it without any stinging. It warms up gently. It feels like a film.
It's a slightly yellow cream-like serum that sometimes tingles when you apply it. I haven't noticed any dramatic changes, but I feel like my skin is in better condition when I have it on.
Kiehl's is one of my favorite brands and I buy various series. It has a mysterious texture. It's fluffy, and the feeling when I applied it was like nothing I'd ever felt before with skincare. I really like it. It tingles a little, but it doesn't hurt, and it feels like it's working on my pores and leaves my skin matte like a soufflé. It doesn't dry out my skin, and I'd like other people to try it too. I'll definitely be buying it again!