Comparison
Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ vs SKIN1004 Hyalu-Cica Water-Fit Sun Serum SPF50+
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.

Round Lab
Birch Juice Moisturizing Sunscreen SPF50+ PA++++Birch-sap-based hydrating chemical SPF for dry and sensitive skin. Cult K-beauty bestseller.

Choose Birch Juice Moisturizing Sunscreen SPF50+ PA++++ if
- Your main concern is Photoprotection or Dehydrated.
- You have Dry or Normal skin.
- You want Birch Sap, Uvinul A Plus, Niacinamide in the formula.
- You prefer the lower price (from €21 vs from €22).
Choose Hyalu-Cica Water-Fit Sun Serum SPF50+ if
- Your main concern is Redness or Dehydration.
- You have All skin.
- You want Hyaluronic Acid, Centella, SPF 50+ PA++++ in the formula.
- cosmetically elegant
At a glance
- Dry
- Sensitive
- Normal
- Combination
- All
- Sensitive
- Combination
- Photoprotection
- Dehydrated
- Redness
- Dehydration
- Birch Sap
- Uvinul A Plus
- Niacinamide
- Hyaluronic Acid
- Centella
- SPF 50+ PA++++
- Very hydrating for an SPF
- Modern UV filters
- Pleasant satin finish
- cosmetically elegant
- layers under makeup
- Some find it too dewy for oily skin
- small tube
Ingredient interactions
No flagged interactions between the key ingredients in these two products. You can layer them at different routine steps without a known conflict.
What reviewers say
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."
"It's amazing!! It sits well underneath my makeup, doesn't pill, doesn't cause breakouts, and doesn't dry out my dehydrated skin like a lot of sunscreens with ..."
Hyalu-Cica Water-Fit Sun Serum SPF50+
Seamless application
"I'm impressed with how easily this sunscreen applies and disappears into my skin. It truly feels like a serum. My face looks radiant and protected without feeling sticky. This has become my holy grail sunscreen."
Great for all seasons
"I use this sunscreen year-round. It's light enough for summer but also hydrating enough for the colder months. It never feels heavy or clogs my pores, and my skin always looks healthy and protected. Highly recommend."
FAQ
What is the main difference between Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ and SKIN1004 Hyalu-Cica Water-Fit Sun Serum SPF50+?
Both are sunscreens. Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ focuses on Photoprotection and Dehydrated, while SKIN1004 Hyalu-Cica Water-Fit Sun Serum SPF50+ targets Redness and Dehydration. Ingredient wise, Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ leads with Birch Sap and Uvinul A Plus; SKIN1004 Hyalu-Cica Water-Fit Sun Serum SPF50+ uses Hyaluronic Acid and Centella.
Can I use Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ and SKIN1004 Hyalu-Cica Water-Fit Sun Serum SPF50+ together?
They serve the same routine step, so pick one at a time rather than layering.
Which one is cheaper, Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ or SKIN1004 Hyalu-Cica Water-Fit Sun Serum SPF50+?
Round Lab Birch Juice Moisturizing Sunscreen SPF50+ PA++++ is the more affordable option based on current listed prices (from €21 vs from €22).