METHYL THIOGLYCOLATE

US FDA substance register · UNII O1608LA9EL · registered name METHYL THIOGLYCOLATE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Methyl Thioglycolate is the ester of methyl alcohol and Thioglycolic Acid. It conforms to the formula:

Restricted

China

Source: MFDS (Korea) cosmetic regulatory information

Argentina · Brazil

• Field of application and/or use : Products for straightening or waving hair: 1. General use 2. Professional use
• Maximum concentration permitted at final product : 1. 8% ready to use pH 6 to 9,5 2.11% ready to use pH 6 to 9.5 The percentages are calculated as thioglycolic acid
• Other limitations and requirements : 1) and 2) In the USAGE must consist obligatorily the following information: - May cause sensitization by skin contact. - Avoid contact with eyes. - In case of contact with eyes, rinse immediately and thoroughly with water and consult a doctor. - Wear suitable gloves
• Use conditions and warnings that must appear on the label : 1) and 2) Contains thioglycolate Follow the instructions Keep out of reach of children. For professional use only (if applicable)

ASEAN

• Field of application and/or use : Hair waving or straightening products: 1. General use 2. Professional use
• Maximum authorised concentration in the finished cosmetic product : 1. 8% ready for use at pH 6-9.5 2. 11% ready for use at pH 6-9.5 Percentages calculated as thioglycolic acid.
• Other limitations and requirements : The directions for use drawn up in the national or official language(s) must obligatorily incorporate the following sentences: • May cause sensitisation in the event of skin contact. • Avoid contact with eyes. • In the event of contact with eyes, rinse immediately with plenty of water and seek medical advice. • Wear suitable gloves.
• Conditions of use and warning which must be printed on the labels : • Contains thioglycolate. • Follow the instructions. • Keep out of reach of children. • For professional use only.

European Union

• Product Type, body parts : Hair waving or straightening products
• Maximum concentration in ready for use preparation : (a) 8% (b) 11% The abovementioned percentages are calculated as thioglycollic acid
• Other : (a) General use ready for use pH 6 to 9.5 (b) Professional use ready for use pH 6 to 9.5
• Wording of conditions of use and warnings : Conditions of use: (a) (b) May cause sensitization in the event of skin contact Avoid contact with eyes In the event of contact with eyes, rinse immediately with plenty of water and seek medical advice Wear suitable gloves Warnings: Contains thioglycolate Follow the instructions Keep out of reach of children (b) For professional use only

Korea’s toxic-substance GHS classification: Danger · H301 (category 3)

Source: Korea toxic substances GHS register (NIER)

Restriction III/2b

Source: EU CosIng ingredient list

Reviewed by CIR: Final Amended Report on the Safety Assessment of Ammonium Thioglycolate, Butyl Thioglycolate, Calcium Thioglycolate, Ethanolamine Thioglycolate, Ethyl Thioglycolate, Glyceryl Thioglycolate, Isooctyl Thioglycolate, Isopropyl Thioglycolate, Magnesium Thioglycolate, Methyl Thioglycolate, Potassium Thioglycolate, Sodium Thioglycolate, and Thioglycolic Acid

Source: US Cosmetic Ingredient Review (CIR)