Ask KBeauty Verified™

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

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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 →

Magnesium Ascorbylborate

Functions: antioxidant, humectant, skin conditioning

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Prohibited Annex II/1396

Conditions: Borates, tetraborates, octaborates and boric acid salts and esters, including: Disodium octaborate anhydrous [1] Disodium octaborate tetrahydrate [2] 2-Aminoethanol, monoester with boric acid [3] 2-Hydroxypropyl ammonium dihydrogen orthoborate [4] Potassium borate, boric acid potassium salt [5] Trioctyldodecyl borate [6] Zinc borate [7] Sodium borate, disodium tetraborate anhydrous; boric acid, sodium salt [8] Tetraboron disodium heptaoxide, hydrate [9] Orthoboric acid, sodium salt [10] Disodium tetraborate decahydrate; borax decahydrate [11] Disodium tetraborate pentahydrate; borax pentahydrate [12]

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.

Also listed as

MAGNESIUM ASCORBYLBORATE

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 Magnesium Ascorbylborate banned in the European Union?

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

Is Magnesium Ascorbylborate 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 Magnesium Ascorbylborate 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 Magnesium Ascorbylborate used for in cosmetics?

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