Comparison
Beauty of Joseon Relief Sun: Rice + Probiotic SPF50+ PA++++ vs Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++
Two sunscreens that compete for the same routine slot. Below is the honest side by side: what makes each one different, who each one is best for, and how real users rate them.

Beauty of Joseon
Relief Sun: Rice + Probiotic SPF50+ PA++++The viral K-beauty chemical SPF50+ PA++++. Photostable filters, glowy finish, no white cast, arguably the most-recommended K-beauty sunscreen online.

Round Lab
Birch Juice Moisturizing Sunscreen SPF50+ PA++++Birch-sap-based hydrating chemical SPF for dry and sensitive skin. Cult K-beauty bestseller.
Choose Relief Sun: Rice + Probiotic SPF50+ PA++++ if
- Your main concern is Dull or Aging.
- You have All skin.
- You want Tinosorb S, Rice, Bifida Ferment in the formula.
- You prefer the lower price (from €18 vs from €21).
Choose Birch Juice Moisturizing Sunscreen SPF50+ PA++++ if
- Your main concern is Dehydrated.
- You have Normal skin.
- You want Birch Sap, Niacinamide in the formula.
- Very hydrating for an SPF
At a glance
- All
- Dry
- Sensitive
- Combination
- Dry
- Sensitive
- Normal
- Combination
- Photoprotection
- Dull
- Aging
- Photoprotection
- Dehydrated
- Uvinul A Plus
- Tinosorb S
- Rice
- Bifida Ferment
- Birch Sap
- Uvinul A Plus
- Niacinamide
- No white cast on any skin tone
- Photostable modern filters
- Glowy finish
- Very hydrating for an SPF
- Modern UV filters
- Pleasant satin finish
- Contains denatured alcohol
- Not water-resistant
- Some find it too dewy for oily skin
Ingredient interactions
No flagged interactions between the key ingredients in these two products. Both share Uvinul A Plus, which means you get overlapping benefits if you use them at different times of day.
What reviewers say
Relief Sun: Rice + Probiotic SPF50+ PA++++
My favorite sunscreen
"This is my favorite sunscreen. I keep trying different ones, thinking I will find one that I like more, but I always find myself coming back to this one. Unlike its blue capped sibling, it doesn't pill nearly as much."
Reviews for Relief Sun : Rice + Probiotics SPF 50+ ... - SkinSort
"/ / / 3.42 Overall rating 5 4 3 2 1 What people say Hydrating 41% Works Well 38% Absorbs Well 37% 286 reviews All Skin TypesCombination SkinDry SkinNormal SkinOily SkinSensitive SkinRating5 Stars4 Stars3 Stars2 Stars1 StarsPopularLatest ](https://skinsort.com/…"
Birch Juice Moisturizing Sunscreen SPF50+ PA++++
"This sunscreen is very hydrating, but on days when my skin isn't in good condition, it stings a little. That evening, I noticed my face looked red."
"I wish it worked for my skin because I absolutely loved the feel and consistency. Well worth the price imo. Unfortunately for me, I had an ..."
FAQ
What is the main difference between Beauty of Joseon Relief Sun: Rice + Probiotic SPF50+ PA++++ and Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++?
Both are sunscreens. Beauty of Joseon Relief Sun: Rice + Probiotic SPF50+ PA++++ focuses on Photoprotection and Dull, while Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ targets Photoprotection and Dehydrated. Ingredient wise, Beauty of Joseon Relief Sun: Rice + Probiotic SPF50+ PA++++ leads with Uvinul A Plus and Tinosorb S; Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ uses Birch Sap and Uvinul A Plus.
Can I use Beauty of Joseon Relief Sun: Rice + Probiotic SPF50+ PA++++ and Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ together?
They serve the same routine step, so pick one at a time rather than layering.
Do Beauty of Joseon Relief Sun: Rice + Probiotic SPF50+ PA++++ and Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ share ingredients?
Both feature Uvinul A Plus. The rest of the formulas differ, which is where the choice usually comes down to.
Which one is cheaper, Beauty of Joseon Relief Sun: Rice + Probiotic SPF50+ PA++++ or Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++?
Beauty of Joseon Relief Sun: Rice + Probiotic SPF50+ PA++++ is the more affordable option based on current listed prices (from €18 vs from €21).