Ask KBeauty Verified™

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

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sodium tetraborate

Korean: 소듐테트라보레이트 · CAS 1303-96-4 (hydrous) ·

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

No specific rule on file.

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 sodium tetraborate 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
CA Canada	Restricted	【Restrictions】 Conditions of Use by product type : (a) As a pH adjuster (b) Other cosmetics 【Restrictions】 Maximum Concentration Permitted : ((a) 0.1% (b) 5% 【Restrictions】 Warnings and Cautionary Statements: (to the effect of) : (b) "Do not use on broken or abraded skin, not to be used by children under three years of age."

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

Also listed as

sodium tetraborate 소듐테트라보레이트

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 sodium tetraborate banned in the European Union?

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

Is sodium tetraborate 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 sodium tetraborate 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 sodium tetraborate called on Korean labels?

Korea's MFDS standard Korean name is 소듐테트라보레이트.

What is the CAS number of sodium tetraborate?

CAS 1303-96-4 (hydrous) (from official records).