Beauty of Joseon Glow Deep Serum: Rice + Alpha-Arbutin

What do rice and alpha-arbutin do for your skin?

“Brightening” in skincare doesn’t mean bleaching. It means evening out the patches of extra pigment that old blemishes, sun and time leave behind, so skin tone reads more uniform. Alpha-arbutin is one of the gentler ways to get there: it eases down the look of those marks slowly, without the irritation that pushes a lot of people off stronger brighteners.

Arbutin is one of the better-evidenced gentle brighteners: a 2021 review of it in Antioxidants walks through how it slows melanin production in the lab and on skin, and flags the catch — it’s well tolerated, but it works gradually rather than dramatically. So set expectations there. It can even tone slowly, and needs a few weeks before any results show.

The rice extract doing the “glow” half is the brand’s signature. Rice has been a skincare staple in Korea for centuries, and it brings amino acids, B and E vitamins and a little antioxidant activity. Beauty of Joseon says the serum leaves skin looking dewy.

What’s in it?

The formula is built on rice bran water rather than plain water, which is where the radiance and light hydration come from, then carries alpha-arbutin as the brightening active, rounded out with a couple of light humectants. There is no fragrance and no essential oil. Drying alcohol is not one of the main ingredients. That makes it a lower-risk pick for reactive skin, and it can sit alongside stronger actives in the same routine.

It’s a focused formula rather than a kitchen-sink one: a couple of well-chosen actives doing the work, not a long perfumed list. That’s the point, not a shortcoming. Fewer ingredients means fewer things to react to, and it leaves room for a separate treatment (a retinoid, a vitamin C) to do the heavy lifting if you need it.

Texture and how to use it

It’s a water-based serum built on rice bran water. Beauty of Joseon says it leaves skin looking dewy and hydrated. Pat two or three drops over slightly damp skin after your toner or essence, before moisturiser, morning and night.

Sunscreen is the non-negotiable other half of any brightening step, and doubly so here in Australia: alpha-arbutin works on existing pigment, but UV makes new pigment faster than any serum can fade it. Use it in the morning without sunscreen over the top, and you’ve undone the work.

Who’s it for — and who should skip it?

It’s a good match for skin that reads as dull, uneven or marked by old blemishes, and for anyone who wants a gentle first step into brightening without the sting some actives bring. Its short, fragrance-free formula fits into almost any routine, which is exactly why it’s the “best overall” pick in our best affordable Korean serums roundup.

If your tone is already even and you’re chasing something specific — fading one stubborn spot, smoothing texture, clearing breakouts — this isn’t the targeted treatment to reach for; pair it with one that is. And the result is gradual by design, so it rewards patience: give it a clear run of several weeks before you judge it.

Is it worth it?

This is a cheap, gentle brightening step that fits most routines. It is designed to even tone slowly, so you need to keep using it for weeks. The formula has few ingredients and no fragrance, so there is less in it that could irritate your skin. The only real catch is the one alpha-arbutin always comes with: it asks for time. If you want a sensible, low-risk brightening serum to build a routine around — and you’ll keep the sunscreen up — this is the bottle to start with.