Ask KBeauty Verified™

KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.

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Diethylamine Laureth Sulfate

Korean: 다이에틸아민라우레스설페이트 · Functions: cleansing, surfactant - cleansing, surfactant - foam boosting

KR South Korea (MFDS)

Prohibited MFDS prohibited ingredients

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

EU European Union (CosIng)

Prohibited Annex II/411

Conditions: Secondary alkyl- and alkanolamines and their salts

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

US United States (FDA)

No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.

Other markets

How Diethylamine Laureth Sulfate 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.

Market	Status	Conditions
CN China	Prohibited	—

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

Also listed as

DIETHYLAMINE LAURETH SULFATE 다이에틸아민라우레스설페이트

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 Diethylamine Laureth Sulfate banned in the European Union?

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

Is Diethylamine Laureth Sulfate banned in South Korea?

In Korea's MFDS records it is listed as “Prohibited” (MFDS — cosmetic ingredient use restrictions).

Is Diethylamine Laureth Sulfate allowed in cosmetics in the U.S.?

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

What is Diethylamine Laureth Sulfate used for in cosmetics?

The EU's CosIng inventory lists its functions as: cleansing, surfactant - cleansing, surfactant - foam boosting.

What is Diethylamine Laureth Sulfate called on Korean labels?

Korea's MFDS standard Korean name is 다이에틸아민라우레스설페이트.