ASEAN Guidelines on Limits of Contaminants for Cosmetics is updated to version 3.0 with the addition of trace impurity limits. The limit of 1,4-dioxane will come into force on June 19, 2020 and June 19, 2023.

SAFEGUARDS | Cosmetics, Personal Care & HouseholdNO. 178/19

 Assorted Cosmetic

The Association of Southeast Asian Nations (ASEAN) Guidelines on Limits of Contaminants for Cosmetics is updated. Version 3.0  includes one additional limit of contamination for 1,4-dioxane.

This limit is adopted as per the 30th ACSB Meeting, June 18-19, 2019, Nay Pyi Taw, Myanmar. With effect from June 19, 2020, cosmetic products in ASEAN countries shall not contain more than 25ppm of 1,4-Dioxane as trace impurities, and from June 19, 2023, the limit is further reduced to 10ppm trace level.

Changes Trace Impurities  Limits Effective Date
Add 1,4-Dioxane  NMT 25 mg/kg or 25 mg/L (25ppm) 19 June 2020
 NMT 10mg/kg or 10mg/L (10ppm) 19 June 2023
Table 1

NMT = Not More Than


  1. ASEAN Guidelines on Limits of Contaminants for Cosmetics Version 3.0

It is crucial for all cosmetic, personal care and household products to be safe effective and stable. SGS provides testing, inspection, auditing and consulting services to manufacturers, distributors and importers to ensure a high level of product quality in every area. Our state of the art laboratories offer custom-made solutions for chemical, biophysical, microbiological, stability and biological aspects. We also have extensive capabilities in performance testing, claim support studies and consumer panels. Our testing is conducted according to customer specific or recognized standard methods, some of which were developed by SGS. Our cosmetic safety assessors and other technical experts can support customers by making sure new products comply with regulatory requirements. 

Next Step

Cosmetic manufacturer shall pay attention in sourcing cosmetic raw material(s) which is/are possible to have 1,4-Dioxane contaminant, so as to control the trace level of 1,4-Dioxane in finished cosmetic product. 

For enquiries, please contact:

Queenie Ho-yan, TSE
Assistant Technical Service Manager
Tel: +852 2765 3672

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