Japan Updated the Positive List of Additives in Hair Dyes and Permanent Wave Products for the First Time in Five Years

On Sept. 30, 2021, Japan MHLW updated two positive lists, involving "The Positive List of Additives in Hair Dyes" and "The Positive List of Additives in Permanent Wave". This update not only revised the product specification requirements but also relaxed the additive change application requirements. At present, there are a total of 1,849 types of additives that can be used in hair dye products and 1,836 types of additives that can be used in permanent wave products.