Bean Sun Serum SPF 50+ PA++++ — Reddit Reviews
by Mixsoon
Updated September 25, 2026
Niacinamide-packed SPF 50+ with a lightweight skincare feel; can turn greasy.
What the community says
A niacinamide sunscreen that people mainly praise for its light, skincare-like texture and easy wear under daytime routines. Redditors also call it dewy and cosmetically elegant, though oily and acne-prone users report greasy shine or breakouts.
What this means for you
Backed by 12 threads from r/30PlusSkinCare, r/koreanskincare and 3 more.
Read the threads ↓What people love
Watch out for
Product details
Concerns
Skin Type
Product Traits
Key Ingredients
Skin type data limited
Where to buy
What the science says
Acne
Some evidence
Niacinamide: 6 studies tested it on its own. See all 17 studies
What the studies found
- Most studies found niacinamide helped acne
- Some studies found 4% niacinamide cleared acne about as well as clindamycin
- One study found 4% niacinamide improved red, sore spots, but IPL worked better
- Some research found no clear difference, and a large review said the effects were uncertain
Hyperpigmentation
Some evidence
Niacinamide: 5 studies tested it on its own. See all 24 studies
What the studies found
- All of these studies found niacinamide helped fade dark spots or patches
- In clinical trials, 5% niacinamide faded dark spots more than a placebo
- It also helped when used with salicylic acid peels, more than peels alone
- Used on its own, it helped, but one study found a niacinamide mix worked better
- One study found the fading effect reversed after stopping niacinamide
Research context, not treatment advice. Studies are about the ingredient, not necessarily this exact product.
Real Reddit threads — 18 mentions across 12 threads
Mixsoon Bean Sun Serum SPF 50+ PA++++ on Reddit, in one place — 12 threads from r/30PlusSkinCare, r/koreanskincare and 3 more, summarized.
“Sunscreen I switch, right now I’m using the mixsoon bean sun serum.”
Positive
“My favorites are the skin1004 hyalu cica Sun serum and the skin aqua barrier essence.”
Positive
“Just apply it whenever you leave the house, consistency is key.”
Positive
“Try mixsoon sunscreen.”
Positive
“It’s barely noticeable”
Positive
“Japanese or Korean sunscreens”
Positive
“Free Sample of Mixsoon Bean Sun Serum”
Mentioned
“Products:”
Mentioned
“Photo of unpackaged products:”
Mentioned
“I am excited to try Mixsoon bean sun serum as well”
Mentioned
“looks like it’s pretty light.”
Mentioned
“Numbuzin no. 1 clear filter sun essence is very lightweight.”
Mentioned
“Mixsoon bean sun serum”
Positive
“leaves my dry ass skin hydrated all day.”
Positive
“cosmetically elegant”
Positive
“maybe you’d like mixsoon bean sun serum? it’s rich and moisturizing imo.”
Positive
“it does have a luxurious creamy serum texture, and it has no cast.”
Positive
“it’s very dewy and great for that glass skin look.”
Positive
“a lot of reviews call it lightweight, but i disagree. she’s thicc”
Positive
Dupes & Alternatives
Beauty of Joseon
Relief Sun: Rice + Probiotics SPF 50+
Better for Sun Protection
9 shared traits
797 mentions
Skin1004
Madagascar Centella Hyalu-Cica Water-Fit Sun Serum
Better for Sun Protection
9 shared traits
695 mentions
Beauty of Joseon
Relief Sun Aqua-Fresh: Rice + B5 SPF50+ PA++++
Better for Sun Protection
8 shared traits
477 mentions
Haruharu Wonder
Black Rice Moisture Airyfit Daily Sunscreen SPF 50+ PA++++
8 shared traits
330 mentions