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Diisobutyl phthalate

Korean: 다이아이소부틸프탈레이트 · CAS 84-69-5 ·

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Prohibited Annex II/1492

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

US United States (FDA)

Banned in some U.S. states WA-TFCA

Conditions: Washington: Toxic-Free Cosmetics Act (Substitute House Bill 1047, Chapter 455, Laws of 2023) and Cosmetic Products Restrictions Rule (ch. 173-339 WAC, WSR 25-18-057, eff. 2025-09-28) · RCW 70A.560.005-.900 (2023 c 455); WAC 173-339-110 · In force since 2025-01-01 · intentionally added; class (RCW 70A.560.010(4)) · Matched by our INCI mapping of a substance class

Source: Washington — Toxic-Free Cosmetics Act (Substitute House Bill 1047, Chapter 455, Laws of 2023) · checked Oct 17, 2026

Banned in some U.S. states VT-ACT131

Conditions: Vermont: Act 131 of 2024 (S.25) — Chemicals in Cosmetic and Menstrual Products · 9 V.S.A. §2494b · In force since 2026-01-01 · intentionally added · Matched by our INCI mapping of a substance class

Source: Vermont — Act 131 of 2024 (S.25) — Chemicals in Cosmetic and Menstrual Products · checked Oct 17, 2026

Banned in some U.S. states OR-SB546

Conditions: Oregon: Toxic-Free Cosmetics Act (SB 546, Or. Laws 2023 ch. 575) · ORS 431A.345 · From 2027-01-01 · intentionally added · Matched by our INCI mapping of a substance class

Source: Oregon — Toxic-Free Cosmetics Act (SB 546, Or. Laws 2023 ch. 575) · checked Oct 17, 2026

Other markets

How Diisobutyl phthalate is treated in 1 more market, 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)Prohibited —

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

Also listed as

Diisobutyl phthalate 다이아이소부틸프탈레이트

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 Diisobutyl phthalate banned in the European Union?

In the EU's CosIng records it is listed as “Prohibited” (EU CosIng — Annex II).

Is Diisobutyl phthalate 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 Diisobutyl phthalate allowed in cosmetics in the U.S.?

In the FDA's records it is listed as “Banned in some U.S. states” (Washington — Toxic-Free Cosmetics Act (Substitute House Bill 1047, Chapter 455, Laws of 2023)).

What is Diisobutyl phthalate called on Korean labels?

Korea's MFDS standard Korean name is 다이아이소부틸프탈레이트.

What is the CAS number of Diisobutyl phthalate?

CAS 84-69-5 (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: 2 Claude: 1 Google · Gemini: 0 Perplexity: 0 Meta AI: 0 Amazon: 0 Others: 1
Read by AI & crawlers
ChatGPT2
Claude1
Google · Gemini0
Perplexity0
Meta AI0
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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 →