Chemical hair relaxers, hair waving products; Preparations for permanent waving or straightening (HS 330520); Cosmetics. Toiletries (ICS 71.100.70)
DEAS 338:2021, Chemical hair relaxers and hair waving products — Specification, Third Edition (18 page(s), in English)
This Draft East African Standard specifies the requirements, sampling and methods of test for chemical hair relaxers and hair waving products. This standard applies to chemical hair relaxers based on alkalis or thioglycollates, as well as hair waving (curling) products based on thioglycollates.