Guidance Legislation
The Detergents Regulations 2010 http://www.legislation.gov.uk/uksi/2010/740/contents/made
The Detergents (Amendment) Regulations 2013 http://www.legislation.gov.uk/uksi/2013/1244/contents/made
The Detergents (Amendment) Regulations 2016 http://www.legislation.gov.uk/uksi/2016/1165/made/data.pdf