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Cysteamine Thioglycolate

Korean: 시스테아민티오글라이콜레이트 · CAS 2368928-49-6 · Functions: hair waving or straightening

KR South Korea (MFDS)

Restricted MFDS restricted ingredients

Conditions (official MFDS text, Korean):
* 배합한도 : ∙ 퍼머넌트웨이브용 및 헤어스트레이트너 제품에 치오글라이콜릭애씨드로서 11% (다만, 가온2욕식 헤어스트레이트너 제품의 경우에는 치오글라이콜릭애씨드로서 5%, 치오글라이콜릭애씨드 및 그 염류를 주성분으로 하고 제1제 사용 시 조제하는 발열 2욕식 퍼머넌트웨이브용 제품의 경우 치오글라이콜릭애씨드로서 19%에 해당하는 양) ∙ 제모용 제품에 치오글라이콜릭애씨드로서 5% ∙ 염모제에 치오글라이콜릭애씨드로서 1% ∙ 사용 후 씻어내는 두발용 제품류에 2% ∙ 기타 제품에는 사용금지

Source: MFDS — cosmetic ingredient use restrictions · checked Oct 16, 2026

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.

Also listed as

Cysteamine Thioglycolate 시스테아민티오글라이콜레이트

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.