Piboo
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ROUND LAB 자작나무 수분 선쿠션 [SPF50+/PA++++]

Ingredients and claims, checked

Product photo of ROUND LAB 자작나무 수분 선쿠션 [SPF50+/PA++++]

Last checked September 28, 2026

Mid-range for sun cushions

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What is it like at a glance?

What the ingredients do

Softening leads, with 5 of 40 ingredients. It also contains Zinc Oxide.

Softening
5
Hydration
4
Skin protection
4
UV filter
2

By skin type

  • OilyNeutral
  • CombinationGood fit

Piboo’s rating from user reports.

Worth knowing

  • Has a fungal-acne trigger

Made for

What is this product?

What to expect
It's registered in Korea as a functional cosmetic for UV protection.
Key ingredients
Betula Platyphylla Japonica Juice 0.1%, Glyceryl Glucoside, Aloe Barbadensis Leaf Extract
When
Morning

An SPF50+, PA++++ sun cushion made with birch sap. Patted on with a puff, it feels dewy and leaves a cooling sensation on the skin.

Who is it for?

Good for

  • Dehydrated oily skin
  • People reapplying over makeup

Less suited to

  • Very dry skin that needs a heavy, sealing moisturizer

What's good, and what to watch for?

Good points

  • Contains Betula Platyphylla Japonica Juice 0.1%
  • Registered as a sun-protection functional cosmetic
  • Glyceryl Glucoside and Aloe Barbadensis Leaf Extract add moisture

Watch-outs

  • If you get fungal acne: Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate, Stearic Acid

What is in it?

The full ingredient list as the brand publishes it, in the printed order. Tap a name to read about that ingredient.

This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary, except 1 with no dictionary entry, left in Korean.

Worth a closer look

Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.

What the claims add up to

You can expect:
sun protection
Only partly backed:
better hydration (amount unknown)
Free of:
the ingredients it lists
Tests passed:
skin irritation
See each claim, checked (21)

Claims, checked

  • UV-blocking functional cosmeticbacked by evidence
  • *Soothing Cooler patented ingredient: Aloe Vera Leaf, Kelp, Violet, Ulmus Davidiana Root, Dioscorea Japonica Root Extractbacked by evidence
  • Powerful sun care clinically confirmedbacked by evidence
  • UVB protection index SPF 50+backed by evidence
  • UVA protection index PA++++backed by evidence
  • Easily block with a moisturizing hydrating sun cushion!plausible, not tested
  • With a moist hydration feel, it adheres softly and thinly to the skin, helping create a natural and radiant skin expression.plausible, not tested
  • Inje birch sap, grown while embracing the refreshing energy of a cool breeze, is rich in amino acids and minerals, supplies moisture to dry skin, and keeps it moist.partly backed
  • The patented Soothing Cooler ingredient gives moist hydration and a refreshing sensation, providing a moisture cooling effect that lowers the heat of heated skin.partly backed
  • Sun protection is basic, with natural tone-up effect toopartly backed
  • Non-nano inorganic sunscreen with no absorption concernspartly backed
  • As an inorganic UV blocker composed of non-nano particles that reflect UV rays at the skin surface, it is not absorbed into the skin, so you can use it with confidence.partly backed
  • By excluding *UV-blocking ingredients that harm marine ecosystems and coral reefs, we are joining the movement to save the earth.partly backed
  • German derma test completedpartly backed
  • Skin irritation test completedpartly backed
  • With the refreshing moisture of Inje birch, moist all day longoverstated
  • With glyceryl glucoside that opens the moisture path, moisture more deeplyoverstated
  • Glyceryl glucoside, the key ingredient of the resurrection plant, activates *aquaporin, the water channel in the skin, helping with powerful moisture supply.overstated
  • Completed domestic and overseas skin irritation tests, gently without irritationoverstated
  • Instant moisture cooling for irritated skinno supporting source found
  • Round Lab makes cosmetics that even sensitive skin can use with confidence.nothing specific to check

We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.

How we check claims

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