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KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
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Round Lab Birch Juice Moisturizing Sun Serum SPF 50

Sunscreen · SPF 50

Save to my shelf

Check against official records

KR South Korea (MFDS)

3 ingredients with Korea limits or conditions.

Aminomethyl Propanol, Tromethamine, Pinus Sylvestris Leaf Oil
EU European Union (CosIng)

3 ingredients with EU limits or conditions.

Aminomethyl Propanol, Tromethamine, Pinus Sylvestris Leaf Oil
US United States (FDA)

1 ingredient with U.S. limits or conditions.

Octocrylene
#Ingredient (as listed)KR KoreaEU EUUS U.S.
1 Ensulizole
Ensulizole
Approved UV filter · 4% Approved UV filter · 8%(as acid) Approved UV filter · 4%
2 Homosalate Approved UV filter · 10% Approved UV filter · 7,34 % Approved UV filter · 15%
3 Octisalate
Octisalate
Approved UV filter · 5% Approved UV filter · 5% Approved UV filter · 5%
4 Octocrylene Approved UV filter · 10% Approved UV filter · a) 9% · b) 10% Banned in some U.S. states Approved UV filter · 10%
5 Water ———
6 Butyloctyl Salicylate ———
7 Dipropylene Glycol ———
8 Benzotriazolyl Dodecyl p-Cresol ———
9 Ethylhexyl Methoxycrylene ———
10 Vinyl Dimethicone ———
11 Tripropylene Glycol ———
12 Sorbitol ———
13 1,2-Hexanediol ———
14 Silica ———
15 Diethylhexyl 2,6-Naphthalate ———
16 Aminomethyl Propanol Restricted Restricted · Maximum secondary amine… —
17 Betula Platyphylla Japonica Juice ———
18 Diglycerin ———
19 Behenyl Alcohol ———
20 Pentylene Glycol ———
21 Polyglyceryl-3 Methylglucose Distearate ———
22 Panthenol ———
23 Butylene Glycol ———
24 Poly C10-30 Alkyl Acrylate ———
25 Dimethiconol ———
26 Polyphenylsilsesquioxane ———
27 Dimethicone/Vinyl Dimethicone Crosspolymer ———
28 Tromethamine Restricted Restricted · Maximum secondary amine… —
29 Hydroxyacetophenone ———
30 Polyacrylic Acid ———
31 Palmitic Acid ———
32 Stearic Acid ———
33 Artemisia Annua Extract ———
34 Methylpropanediol ———
35 Polyether-1 ———
36 Sphingomonas Ferment Extract ———
37 Sodium Stearoyl Glutamate ———
38 Polyacrylate Crosspolymer-6 ———
39 Bacillus Ferment ———
40 Sodium Hyaluronate ———
41 Glycerin ———
42 Anthemis Nobilis Flower Oil ———
43 Pinus Sylvestris Leaf Oil Restricted Restricted —
44 Aloe Barbadensis Leaf Extract ———
45 Dioscorea Japonica Root Extract ———
46 Ethylhexylglycerin ———
47 Laminaria Japonica Extract ———
48 Ulmus Davidiana Root Extract ———
49 Viola Mandshurica Flower Extract ———
50 Glyceryl Glucoside ———
51 Arginine ———
52 Caprylic Acid ———
53 Cetearyl Alcohol ———
54 Cetearyl Olivate ———
55 Sorbitan Olivate ———
56 Hydrogenated Lecithin ———
57 Betulin ———
58 Carbomer ———
59 Hydroxypropyltrimonium Hyaluronate ———
60 Hydrolyzed Hyaluronic Acid ———
61 Sodium Acetylated Hyaluronate ———
62 Sodium DNA ———
63 Hyaluronic Acid ———
64 Glycine ———
65 Glutamic Acid ———
66 Hydrolyzed Sodium Hyaluronate ———
67 Sodium Hyaluronate Crosspolymer ———
68 Potassium Hyaluronate ———

“—” means no specific record for that ingredient in that jurisdiction's lists — it is not an approval. Restricted ingredients are allowed within limits (concentration, product type, label warnings); a product listing one is not necessarily over the limit. How we check.

Ingredient list from Round Lab official store, retrieved Oct 17, 2026. Formulas change — check the label on the package you buy.

Can I take it to Hawaii? — reef sunscreen laws

Checked against this formula's UV filters (Ensulizole, Homosalate, Octisalate, Octocrylene). These laws cover sunscreens sold — and in some places used — without a prescription.

PlaceResultWhyLaw · since
State of Hawaii OK None of the banned filters HRS §342D-21 (Act 104, 2018) · 2021-01-01
Maui County, HI Not allowed (sale and use) Non-mineral filters: Ensulizole, Homosalate, Octisalate, Octocrylene Maui County Code ch. 20.42 (Ord. 5306) · 2022-10-01
Hawaiʻi County (Big Island), HI Not allowed (sale) Non-mineral filters: Ensulizole, Homosalate, Octisalate, Octocrylene Hawaiʻi County Code §14-31 (Ord. 22-81) · 2022-12-01
U.S. Virgin Islands Not allowed (sale, import and use) Contains: Octocrylene 27 V.I.C. §305h (Act 8185) · 2020-03-30
Key West, FLNot enforcedThe 2019 ban on oxybenzone/octinoxate was preempted by Florida law (Fla. Stat. §499.002(7), 2020).Ord. 19-03

Hawaii state and U.S. Virgin Islands laws exclude products sold as face cosmetics without a sunscreen claim; SPF products are sunscreens. Information only — check the latest rules before you travel.

Fragrance allergens (EU labelling)

None of the fragrance allergens the EU requires to be labelled appear in this ingredient list.

Source: EU Cosmetics Regulation Annex III as amended by Regulation (EU) 2023/1545 — the list grew from 26 to over 80 entries; it applies to new products from 31 July 2026 and to all products from 31 July 2028. Shown for information; it is not a sign that a product is unsafe.

Storage & heat

Official storage statements

“Protect the product in this container from excessive heat and direct sun.” — Required 'Other information' statement for sunscreens sold in the U.S. (FDA OTC Monograph M020)

“Keep out of direct sunlight. Keep out of reach of children.” — Common precautions required on all cosmetics in Korea (Cosmetics Act Enforcement Rule, Annex 3)

Our note — heat, light & air

No ingredients on our heat/light/air list. Even so, cosmetics last longest closed, cool and out of direct sun.

Don't leave sunscreen in a hot car or in direct sun on the beach — heat can separate the formula and lower protection.

Other markets

Ingredients in this formula that are prohibited or limited in other markets, from the overseas regulation database compiled by Korea's MFDS. Limited means allowed within conditions.

MarketProhibitedLimited
CN China None found Aminomethyl Propanol, Octisalate, Homosalate, Octocrylene, Ensulizole, Tromethamine
AS ASEAN (10 countries) None found Aminomethyl Propanol, Octisalate, Homosalate, Octocrylene, Ensulizole, Tromethamine
JP Japan None found Octisalate, Homosalate, Octocrylene, Panthenol, Ensulizole
TW Taiwan None found Octisalate, Homosalate, Octocrylene, Ensulizole
CA Canada None found Octisalate, Glycerin, Homosalate, Octocrylene, Ensulizole
BR Brazil None found Aminomethyl Propanol, Octisalate, Homosalate, Octocrylene, Ensulizole, Tromethamine
AR Argentina None found Aminomethyl Propanol, Octisalate, Homosalate, Octocrylene, Ensulizole, Tromethamine

Similar ingredient lists

Products from other brands whose ingredient lists overlap most with this one. The score weighs the first ingredients most (labels list them roughly by amount), skips ingredients found in most products, and counts UV filters and less common ingredients more. Similar ingredient lists (not a test of how they work) — amounts, texture and results can differ.

Mediheal Madecassoside Moisture Sun Serum Sunscreen
88% similar · Shares 15 of this product's first 20 ingredients, including Ensulizole, Octocrylene and Homosalate.
Compare side by side →
1 1 0 0 0 0 0 1
ma:nyo Air Light Moisturizing Sunscreen Sunscreen
84% similar · Shares 13 of this product's first 20 ingredients, including Ensulizole, Octocrylene and Homosalate.
Compare side by side →
3 2 2 0 0 0 0 4
Medicube PDRN Hydrating UV Sun Serum Sunscreen
79% similar · Shares 11 of this product's first 20 ingredients, including Ensulizole, Octocrylene and Homosalate.
Compare side by side →
4 2 2 0 0 0 0 7
Centellian24 Madeca Derma Shield Vital Capsule Sun Essence 40ml Sunscreen
53% similar · Shares 11 of this product's first 20 ingredients, including Octocrylene, Homosalate and Octisalate.
Compare side by side →
0 1 0 0 0 0 0 2
Missha Essence Sunscreen SPF43+ 50ml (OTC) Sunscreen · SPF 43+
52% similar · Shares 10 of this product's first 20 ingredients, including Octocrylene, Homosalate and Octisalate.
Compare side by side →
1 0 0 0 0 0 0 0
Missha Glow Dewy Hydrating Sunscreen SPF40+ 50ml (OTC) - AMAZON BRIDGE Sunscreen · SPF 40+
51% similar · Shares 9 of this product's first 20 ingredients, including Octocrylene, Homosalate and Octisalate.
Compare side by side →
1 0 0 0 0 0 0 0

Based on the listed ingredients only; recalculated weekly. Not a judgment of which product is better, safer or the same.

Compare with

Round Lab vs Round LabBirch Juice Moisturizing Sun Serum SPF 50 vs 1025 Dokdo AmpouleRound Lab vs Round LabBirch Juice Moisturizing Sun Serum SPF 50 vs 1025 Dokdo Cleansing OilRound Lab vs Round LabBirch Juice Moisturizing Sun Serum SPF 50 vs 1025 Dokdo CreamRound Lab vs Round LabBirch Juice Moisturizing Sun Serum SPF 50 vs 1025 Dokdo LotionRound Lab vs Round LabBirch Juice Moisturizing Sun Serum SPF 50 vs 1025 Dokdo Mud PackRound Lab vs Round LabBirch Juice Moisturizing Sun Serum SPF 50 vs 1025 Dokdo Toner

Information only, not medical advice. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist before use.

Frequently asked questions

Is Round Lab Birch Juice Moisturizing Sun Serum SPF 50 allowed in the European Union?

We found no prohibited ingredients. 3 ingredients have limits or conditions in the EU's CosIng records (Aminomethyl Propanol, Tromethamine, Pinus Sylvestris Leaf Oil). That usually means a maximum amount, a product type or a label warning — not a ban.

Is Round Lab Birch Juice Moisturizing Sun Serum SPF 50 allowed in South Korea?

We found no prohibited ingredients. 3 ingredients have limits or conditions in Korea's MFDS records (Aminomethyl Propanol, Tromethamine, Pinus Sylvestris Leaf Oil). That usually means a maximum amount, a product type or a label warning — not a ban.

Is Round Lab Birch Juice Moisturizing Sun Serum SPF 50 allowed in the United States?

We found no prohibited ingredients. 1 ingredient has limits or conditions in the FDA's records (Octocrylene). That usually means a maximum amount, a product type or a label warning — not a ban.

Can Round Lab Birch Juice Moisturizing Sun Serum SPF 50 be sold as a sunscreen in the U.S.?

Every UV filter we matched in its list is on the FDA's list of sunscreen actives. That is a statement about the filters, not an FDA approval of this product.

Does Round Lab Birch Juice Moisturizing Sun Serum SPF 50 contain fragrance allergens?

None of the fragrance allergens the EU requires to be labelled appear in its ingredient list.

What are the main ingredients in Round Lab Birch Juice Moisturizing Sun Serum SPF 50?

Ingredient lists are in descending order of amount down to about 1%. The first five listed are: Ensulizole, Homosalate, Octisalate, Octocrylene, Water. In total 68 ingredients are listed.

Where does this ingredient list come from?

From Round Lab official store on October 17, 2026. We re-read it every week and keep earlier versions if the formula changes.

Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
Reading time:
Views: 0
ChatGPT: 0 Claude: 0 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 0
Read by AI & crawlers
ChatGPT0
Claude0
Google · Gemini0
Perplexity0
Meta AI0
Amazon0
Others0

Named by what the crawler says it is; look-alikes we detect are counted under Others. Google · Gemini includes Googlebot, Google’s search crawler, whose index Google also uses for its AI features; other search engines and bots are in Others. AI visibility →