Moisture Serum — Reddit Reviews
by Pyunkang Yul
Updated September 30, 2026
Japonica-root serum for irritated skin that may still feel dry; mixed results.
What the community says
A lightweight serum with coptis japonica root extract and dimethicone that some people use for irritated, reactive skin. It can sit nicely on sensitive skin, but plenty of users say it does almost nothing or leaves them feeling drier.
What this means for you
What people love
- Coptis japonica root extract plus dimethicone
- Can work on irritated, sensitive skin
- Simple serum texture layers easily
Watch out for
- Does almost nothing for a lot of people
- Can leave skin feeling tighter and drier
- Not enough on dehydrated skin without extra help
Product details
BrandPyunkang Yul
Skin Type
Skin type data limited
Where to buy
Real Reddit threads — 3 mentions across 2 threads
Pyunkang Yul Moisture Serum on Reddit, in one place — 2 threads from r/koreanskincare, summarized.
“Day Care: Moisture Serum and Moisture cream. This is my biggest issue with what I bought, even after applying a very generous layer of both, I find my skin feeling dry.”
Cautionary
“Honestly, it feels like it dries my skin out, which is not at all what I am used to with skincare.”
Cautionary
“Even if I apply two layers of the moisturisers, my skin still feels dry, which is crazy.”
Cautionary
“I've been using the Pyunkang Yul calming/moisturizing serum (in the blue bottle) and that has been my go-to”
Positive
“it has never caused any problems for me, no matter how irritated my skin is.”
Positive
“with my skin's sensitivities (I'm also on tret) I'm scared to.”
Positive
