Korean: 알파-알부틴 · CAS 84380-01-8 · Functions: antioxidant, bleaching, skin conditioning - miscellaneous
No specific rule on file.
Restricted Annex III/377
Maximum: (a) 2 % (b) 0,5 %
Conditions: Product type: (a) Face cream (b) Body lotion Hydroquinone levels shall remain as low as possible in formulations containing alpha-Arbutin and shall not be higher than the unavoidable trace level. From 1 February 2025 cosmetic products containing that substance and not complying with the conditions shall not be placed on the Union market. From 1 November 2025 cosmetic products containing that substance and not complying with the conditions shall not be made available on the Union market.
Source: EU CosIng — Annex III · checked Oct 17, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
ALPHA-ARBUTIN 알파-알부틴
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.
In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). The maximum allowed is (a) 2% · (b) 0,5%. A restricted ingredient is allowed within the stated conditions.
We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
The EU's CosIng inventory lists its functions as: antioxidant, bleaching, skin conditioning - miscellaneous.
Korea's MFDS standard Korean name is 알파-알부틴.
24+ products we checked list it, for example COSRX 5 PDRN B5 Vital Soothing Toner, COSRX 5 PDRN Collagen Intense Vitalizing Serum, COSRX 5 PDRN Hyaluronic Acid Vital Hydrating Hydrogel Mask.
CAS 84380-01-8 (from official records).