Brand Comparison
TIAM vs beplain
A head-to-head comparison of two popular K-beauty brands. Which one is right for your skin?
Our Pick
beplain
Higher editor rating (8.5 vs 7.5)
Rating7.5/108.5/10
Price RangeBudget ($)Budget ($)
Founded20152017
OriginSeoul, South KoreaSeoul, South Korea
Products55
Best Forall skin types, beginner, dullSensitive, dehydrated, all skin types
PhilosophyGentle, dermatologist-developed skincare with a focus on potent vitamin C formulations and barrier-friendly formulations.Minimalist, plant-based skincare built around single-ingredient heroes with EWG-green certification and fragrance-free formulations.
TIAM
TIAM is the approachable alternative to more aggressive vitamin C brands. The My Signature C Source is one of the best entry-level L-ascorbic acid serums you can buy โ effective without being irritating. A solid pick for anyone new to actives.
Pros
- โ Gentle L-ascorbic acid formulations
- โ Dermatologist-developed
- โ Affordable and widely available
- โ Good starter vitamin C
Cons
- โ Not as potent as specialist vitamin C brands
- โ Packaging is functional, not premium
- โ Smaller catalog
beplain
beplain is the minimalist clean K-beauty brand that lets each hero ingredient do the work. Their Mung Bean Cleansing Foam became the #3 product on Hwahae Global 2026, and the Greenful Toner is the default recommendation for reactive, dehydrated skin. Low-hype, high-efficacy.
Pros
- โ EWG-green and fragrance-free
- โ Single-ingredient focused formulations
- โ Outstanding value
- โ Top-rated on Hwahae rankings
Cons
- โ Minimalist approach means less variety
- โ Packaging is understated, not aspirational
- โ Slower to launch new products









