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Ingredients

Ingredient Dictionary

ETHANOLAMINE THIOGLYCOLATE

Molecular structure

How much products actually contain

No product states its amount yet.

Of the products containing it, 4 list it before the 1% line and 0 after it (usually 1% or less).

Products using this ingredient

4 of 4 confirmed · likeliest to carry enough first

Definition

US FDA substance register · UNII 263SH5220T · registered name MONOETHANOLAMINE THIOGLYCOLATE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Reduces other ingredientsREDUCINGDissolves hair to remove itDEPILATORYCurls or straightens hairHAIR WAVING OR STRAIGHTENING

Safety & regulatory references

Restricted or banned
South Korea

Source: MFDS (Korea) cosmetic regulatory information

Argentina · Brazil

  • Field of application and/or use : (a) Products for hair straightening or waving: 1. General use 2. Professional use (b) Depilatories (c) Other products for hair care which are removed after application
  • Maximum concentration permitted at final product : (a) 1. 8% ready to use pH 7 to 9.5 2. 11% ready to use pH 7 to 9.5 (b) 5% ready to use pH 7 to 12.7 (c) 2% .ready to use pH 7 to 9.5 The indicated percentages are calculated as thioglycolic acid
  • Other limitations and requirements : a, b and c) In the USAGE must obligatorily the following information recorded: - Avoid contact with eyes. - In case of contact with eyes, rinse immediately with plenty water and consult a doctor - and c) Wear suitable gloves
  • Use conditions and warnings that must appear on the label : a), b) and c) - Contains thioglycolic acid salts - Follow instructions - Keep out of reach of children - Only for professional use (where appropriate)
  • Maximum concentration permitted at final product : Under maximum secondary amine: 0.5%
  • Other limitations and requirements : No use with nitrosating systems. Minimum 99% -Pureza. Maximum -Tenor of secondary amines in raw materials 0.5%. Maximum nitrosamine -Tenor: 50 ug / kg. -Envasar / Nitrite - free store in containers.

ASEAN

  • Field of application and/or use : (a) Hair waving or straightening products: 1. General use 2. Professional use (b) Depilatories (c) Other hair care products which are removed after application
  • Maximum authorised concentration in the finished cosmetic product : (a) 1. 8% ready for use at pH 7 – 9.5 2. 11% ready for use at pH 7- 9.5 (b) 5% ready for use at pH 7-12.7 (c) 2% ready for use at pH 7-9.5 For general use of hair waving or straightening products the maximum concentration for combination of Thioglycolic acid and thiolactic acid must not exceed 8% calculated as Thioglycolic Acid.
  • Other limitations and requirements : (a) (b) (c) The directions for use drawn up in the national or official language(s) must obligatorily incorporate the following sentences: • Avoid contact with eyes • In the event of contact with eyes, rinse immediately with plenty of water and seek medical advice. • Wear suitable gloves (a) and (c) only.
  • Conditions of use and warning which must be printed on the labels : (a) • Contains thioglycolate • Follow the instructions • Keep out of reach of children. • For professional use only. (b) and (c) • Contains thioglycolate • Follow the instructions • Keep out of reach of children

Canada

  • Conditions of Use by product type : (a) Eyelash curling products (b) Hair dyes, waving or straightening products (c) Hair dyes, waving or straightening products for professional use (d) Depilatory products
  • Maximum Concentration Permitted : ((a) 11% (as thioglycolic aci(d) with a pH less than or equal to 9.5 (b) 8% (as thioglycolic aci(d) with a pH less than or equal to 9.5 (c) 11% (as thioglycolic aci(d) with a pH less than or equal to 9.5 (d) 5% (as thioglycolic aci(d) with a pH less than or equal to 12.7
  • Warnings and Cautionary Statements: (to the effect of) : (a) "For professional use only.", "Avoid direct skin contact, wear suitable gloves.", "Avoid contact with eyes and, in the event of contact with eyes, rinse immediately with plenty of water and seek medical attention." (b)"Avoid direct skin contact, wear suitable gloves.", "Not for use in the area of the eye." (c) "For professional use only." "Avoid direct skin contact, wear suitable gloves.", "Not for use in the area of the eye." d) "Avoid contact with eyes and, in the event of contact with eyes, rinse immediately with plenty of water and seek medical attention."

China

  • Maximum concentration : (a)

European Union

  • Product Type, body parts : (a) Hair products (b) Depilatories (c) Hair rinse-off products (d) Products intended for eyelash waving
  • Maximum concentration in ready for use preparation : (a) 1) 8% 2) 11% (b) 5% (c) 2% (d) 11% The abovementioned percentages are calculated as thioglycollic acid
  • Other : (a) General use ready for use pH 7 to 9.5 Professional use ready for use pH 7 to 9.5 (b) ready for use pH 7 to 12.7 (c) ready for use pH 7 to 9.5 (d) ready for use pH 7 to 9,5
  • Wording of conditions of use and warnings : Condition of use: (a) (b) (c) Avoid contact with eyes In the event of contact with eyes, rinse immediately with plenty of water and seek medical advice (a) (c) (d) Wear suitable gloves Warnings to be printed on the label: (a) (b) (c) Contains thioglycolate Follow the instructions Keep out of reach of children (a) (d) For professional use only: Cotains thiglycolata, folow the instruction.
  • Maximum concentration in ready for use preparation : Maximum secondary amine content: 0.5%
  • Other : - Do not use with nitrosating systems - Minimum purity: 99% - Maximum secondary amine content: 0.5% (applies to raw materials) - Maximum nitrosamine content: 50 microgram/kg - Keep in nitrite-free containers

Source: MFDS (Korea) cosmetic regulatory information

Korea’s toxic-substance GHS classification: Danger · H301 (category 3) · H319 (category 2) · H315 (category 2)

Source: Korea toxic substances GHS register (NIER)

Restriction III/2a III/61

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)

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name チオグリコール酸MEA: 本品は、チオグリコール酸のモノエタノールアミン塩であり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

ETHANOLAMINE THIOGLYCOLATEINCI에탄올아민티오글라이콜레이트Korean label name (MFDS standard)Acetic acid, mercapto-, compound with 2-aminoethanol (1:1)Synonymチオグリコール酸MEAJapanese labelling name
CAS No.chemical registry number
126-97-6
EC No.EU chemical inventory number
204-815-4
DTXSIDUS EPA chemical ID
DTXSID7059569
DTXCIDUS EPA compound ID
DTXCID5033880
IUPAC
Sulfanylacetic acid--2-aminoethan-1-ol (1/1)
Molecular formula
C4H11NO3S
Molecular weight
153.2 g/mol

Measured properties

Melting/freezing point
&amp, gt, 253 K (at 1 013 hPa)
Initial boiling point and range
125 ℃(101325Pa)
Vapour pressure
0.048 ㎩(25℃)
Water solubility
1000 g/ℓ(20℃)
Relative density
1.249 (g/cm³)
n-Octanol/water partition coefficient (Kow)
-2.99 (22℃)
Viscosity
47.31~50.61 ㎡/s (mm2/s at 20 °C (static))
Molecular weight
153.20

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: KOSHA safety data sheets (Korea)

What products actually use it for

What the 5 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

  • Depilatory (EPA)1
  • Hair waving or straightening (EPA)1
  • Reducing agent1
  • Processing aids not otherwise specified1
  • Corrosion inhibitor1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 3 eye studies are on record.

Classed as highly irritating3Classed as moderate1Classed as low1

The study conclusions largely agree (60%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 7 studies
  • High Frequency of Sensitization
    skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)
  • Moderate or Mild Irritation
    skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to
  • Severe Irritation
    skin irritation: in vivo · Screening · other guideline: US, 16 CFR 1500.41 according to
  • Studies Indicate No Significant Irritation
    skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to
  • Moderate or Mild Irritation
    eye irritation: in vivo · Screening · other guideline: US, 16 CFR 1500.42 according to
  • Moderate or Mild Irritation
    eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to
  • Studies Indicate No Significant Irritation
    eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to

Source: US EPA CompTox dashboard

Related literature

Linked databases 17