Brand Names: International
- (AR)Argentina: Cisteina rivero
- (BR)Brazil: L cisteina
- (CN)China: Gan le shu
- (DE)Germany: Acetium | Cystein | L cystein
- (ID)Indonesia: Cisten
- (JO)Jordan: Acetium
- (JP)Japan: Hythiol s.s. seiyaku | Hythiol sanken
- (KR)Korea, Republic of: Blooming | Elgiton | Elropon | Gelustin | L-stin | Lc | Listin | Mimi-l
- (LT)Lithuania: Acetium
- (MX)Mexico: Etium
- (UY)Uruguay: Cisteina rivero