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TriAsorB (Phenylene Bis-Diphenyltriazine)

Korean: 페닐렌비스-다이페닐트라이아진 · CAS 55514-22-2; · Functions: light stabilizer, uv filter

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Approved UV filter Annex VI/31

Maximum: 5%

Conditions: Not to be used in applications that may lead to exposure of the end user's lungs by inhalation.

Source: EU CosIng — Annex VI · checked Oct 17, 2026

US United States (FDA)

Not an FDA-listed sunscreen active M020 (not listed)

Conditions: Permitted as a UV filter elsewhere, but not on the FDA list of sunscreen active ingredients (§M020.10). It cannot be the active ingredient of a sunscreen marketed in the U.S. under the monograph.

Source: FDA OTC Monograph M020 (sunscreens) · checked Oct 17, 2026

This is a UV filter. In the U.S., sunscreens are regulated as over-the-counter drugs, so a filter must be on the FDA's list of permitted sunscreen actives to be used in a sunscreen sold there. Compare all filters on Sunscreen filters: Korea vs EU vs U.S.

Other markets

How TriAsorB is treated in 3 more markets, from the overseas cosmetic regulation database compiled by Korea's MFDS. Always confirm with the regulator of that country before selling there.

MarketStatusConditions
AS ASEAN (10 countries)Restricted MFDS summary (Korean): * 【Restrictions】 Maximum authorised concentration in the finished cosmetic product : 5% * 제한 【완제품에서 허용된 최대 농도】 : 5% * Conditions of use and warning which must be printed on the labels : Not to be used in applications that may lead to exposure of the end user's lungs by inhalation. * 사용 조건 및...
BR BrazilRestricted MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : 5% * 제한 【완제품에서 허용된 최대 농도】 : 5% * Restrictions 【Other limitations and requirements】 : a) Prohibited in products whose application may lead to exposure by inhalation. b) The concentration of the methyl-pyrrolidone and hydrazine...
AR ArgentinaRestricted MFDS summary (Korean): * Restrictions 【Maximum concentration permitted at final product】 : 5% * 제한 【완제품에서 허용된 최대 농도】 : 5% * Restrictions 【Other limitations and requirements】 : a) Prohibited in products whose application may lead to exposure by inhalation. b) The concentration of the methyl-pyrrolidone and hydrazine...

Source: MFDS cosmetic ingredient use restrictions — overseas regulations · checked Oct 17, 2026

Also listed as

PHENYLENE BIS-DIPHENYLTRIAZINE 페닐렌비스-다이페닐트라이아진 TriAsorB

Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.

Frequently asked questions

Is TriAsorB banned in the European Union?

In the EU's CosIng records it is listed as “Approved UV filter” (EU CosIng — Annex VI). The maximum allowed is 5%. It is allowed for that use within the stated conditions.

Is TriAsorB banned in South Korea?

We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.

Is TriAsorB allowed in cosmetics in the U.S.?

In the FDA's records it is listed as “Not an FDA-listed sunscreen active” (FDA OTC Monograph M020 (sunscreens)).

What is TriAsorB used for in cosmetics?

The EU's CosIng inventory lists its functions as: light stabilizer, uv filter.

What is TriAsorB called on Korean labels?

Korea's MFDS standard Korean name is 페닐렌비스-다이페닐트라이아진.

What is the CAS number of TriAsorB?

CAS 55514-22-2; (from official records).

Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
Reading time:
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ChatGPT: 1 Claude: 1 Google · Gemini: 1 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 3
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ChatGPT1
Claude1
Google · Gemini1
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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 →