The short version
The short version of this review
Beauty of Joseon Light On Serum: Centella + Vita C pairs 3-O-ethyl ascorbic acid, a stabilised vitamin C derivative, with centella asiatica, panthenol and vitamin E in a fragrance-free 30ml serum launched in August 2023. It cost £14.50 on the brand’s UK-priced store on 25 September 2026.
Product information reviewed 2026-09-25.
01 / The basics
What is Light On Serum: Centella + Vita C?
Beauty of Joseon pairs 3-O-ethyl ascorbic acid, a stabilised vitamin C derivative, with centella asiatica extract and panthenol in a fragrance-free 30ml serum; the brand directs morning and evening use with daytime sunscreen, a patch test for sensitive skin and no mixing with AHA, BHA or PHA products.
- Best for
- A fragrance-free vitamin C derivative, morning and night
- Launch month
- 2023-08
02 / Review
What is in Light On Serum: Centella + Vita C?
Light On Serum pairs 3-O-ethyl ascorbic acid — a vitamin C derivative designed to resist oxidation — with centella asiatica, panthenol and vitamin E in a lightweight, non-sticky serum. Beauty of Joseon does not state the vitamin C percentage.
Ethyl ascorbic acid is more stable than L-ascorbic acid but has a smaller research base. The Cast Index treats it as a stable, everyday brightening step rather than a like-for-like alternative to pure vitamin C.
03 / Review
Who is Light On Serum: Centella + Vita C best for?
Readers who want a fragrance-free vitamin C that can be used morning and night, and anyone starting with vitamin C on a small budget.
04 / Review
What should you check before buying?
Without a stated concentration, it is hard to compare directly with the percentage-led serums. Avoid layering it with AHA, BHA or PHA exfoliants, as the brand directs, and patch test if your skin is sensitive.
05 / How to use it
How should you use Light On Serum: Centella + Vita C?
- 01After cleansing and toning, apply to face and neck
- 02Follow with moisturiser
- 03Use morning and night, with sunscreen during the day
- 04Do not mix with AHA, BHA or PHA products
06 / Quick facts
What should you know before choosing Light On Serum: Centella + Vita C?
- —3-O-ethyl ascorbic acid, a stabilised vitamin C derivative; concentration not stated by the brand
- —Centella asiatica extract, panthenol, vitamin E and hyaluronic acid; 30ml
- —Labelled fragrance-free; alcohol appears as a minor ingredient
- —£14.50 on Beauty of Joseon’s UK-priced store (25 September 2026)
- —Morning and evening use with daytime sunscreen; launched August 2023
- —Brand cautions: 24-hour patch test for sensitive skin; do not mix with AHA, BHA or PHA