Takehome:
China drafted two animal testing alternative methods namely 1) In Chemico Skin Sensitization: Direct Peptide Reactivity Testing 2) Short Time Exposure in Vitro Test: Test for Assessment of Eye irritation. The draft is open for public consultation until Feb.15th 2018.
In Chemico Skin Sensitization: Direct Peptide Reactivity Testing
CFDA issued an alternative skin sensitization test to assess chemical ingredients used in cosmetics. The test is called direct polypeptide test method and will replace the white rabbit test which was previously used to assess skin sensitization. The "Direct Peptide Test" is an in-vitro alternative which can be used to examine the corrosivity of 10 kinds of chemicals. Compared with the test on white rabbit, this in-vitro test is more effective, faster and cheaper.
Annex: 10 chemicals Direct Peptide Test can assess
|
No. |
Name |
Character |
Sensitization |
|
T1 |
2,4-Dinitrochlorobenzene |
solid |
positive |
|
T2 |
4-ETHOXYMETHYLENE-2-PHENYL-2-OXAZOLIN-5-ONE |
solid |
positive |
|
T3 |
Formaldehyde |
liquid |
positive |
|
T4 |
Benzalacetone |
solid |
positive |
|
T5 |
FARNESAL |
liquid |
positive |
|
T6 |
2,3-Butanedione |
liquid |
positive |
|
T7 |
1-Butanol |
liquid |
negative |
|
T8 |
6-Methylcoumarin |
solid |
negative |
|
T9 |
Lactic acid |
liquid |
negative |
|
T10 |
4'-Methoxyacetophenone |
solid |
negative |
Short Time Exposure in- Vitro Test
The test uses white rabbit cornea cells to examine eye irritation. It is an in-vitro alternative to replace the animal eye irritation test. The new test method follows toxicological principles outlined in "Cosmetic Safety and Technical Standard 2015" and aligns with international eye irritation alternative testing method standards.
Annex: 18 examples of cosmetic ingredient may require STE in-Vitro Test
|
Tested Ingredients |
CAS Number |
Eye Irritation Impact |
|
Benzyldodecyldimethylammonium bromide |
8001-54-5 |
Category 1 |
|
Triton X-100 |
9002-93-1 |
Category 1 |
|
18472-87-2 |
Category 1 |
|
|
gamma-Butyrolactone |
96-48-0 |
Category 2A |
|
1-Octanol |
111-87-5 |
Category 2A/B |
|
Cyclopentanol |
96-41-3 |
Category 2A/B |
|
Dodecane |
112-40-3 |
No Category irritating |
|
4-Methyl-2-pentanone |
108-10-1 |
No Category irritating |
|
1,1-DIMETHYLGUANIDINE SULFATE |
598-65-2 |
No Category irritating |
|
Ethylene glycol monoethyl ether acetate |
111-15-9 |
No Category irritating |
|
Sodium hydroxide |
- |
Category 1 |
|
Propyl disulfide |
629-19-6 |
No Category |
|
Piperonyl butoxide |
51-03-6 |
No Category irritating |
|
Poly(ethylene glycol) 400(PEG-400) |
25322-68-3 |
No Category irritating |
|
N,N-Diethyl-m-toluamide |
134-62-3 |
Category 2B |
|
Bis[2-(2-hydroxyethoxy)ethyl] ether |
17831-71-9 |
Category 1 |
|
2,5-Dimethyl-2,5-hexanediol |
110-03-2 |
Category 1 |
|
Glycerol |
- |
No Category |
Note: 1. No category: no/few irritation
2. Category 2: 2A light irritation, 2B irritation
3. Category 1: corrosion (irreversible damage)
In China, cosmetic testing methods still use animals, although China has already developed a basic system offering several alternatives and is in the process of developing a more comprehensive cruelty free cosmetic testing framework.
The 2 drafts are open for public consultation until February 15th 2018, and any suggestions can be raised on [email protected]


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