Ask KBeauty Verified™

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

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Google · Gemini0

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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 →

Thuja Occidentalis Leaf

Korean: 서양측백나무잎 · Functions: skin conditioning

KR South Korea (MFDS)

Restricted MFDS restricted ingredients

Conditions (official MFDS text, Korean):
과산화물가가 10mmol/L을 초과하는 경우에 한하여 금지

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

EU European Union (CosIng)

Restricted Annex III/119

Conditions: Peroxide value less than 10 mmoles/L (15)

Required label warning: (15 ) This limit applies to the substance and not to the finished cosmetic product.’

Source: EU CosIng — Annex III · 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.

Also listed as

THUJA OCCIDENTALIS LEAF 서양측백나무잎

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 Thuja Occidentalis Leaf banned in the European Union?

In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). A restricted ingredient is allowed within the stated conditions.

Is Thuja Occidentalis Leaf banned in South Korea?

In Korea's MFDS records it is listed as “Restricted” (MFDS — cosmetic ingredient use restrictions). A restricted ingredient is allowed within the stated conditions.

Is Thuja Occidentalis Leaf 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 Thuja Occidentalis Leaf used for in cosmetics?

The EU's CosIng inventory lists its functions as: skin conditioning.

What is Thuja Occidentalis Leaf called on Korean labels?

Korea's MFDS standard Korean name is 서양측백나무잎.