# The Cosmetic Products (Safety) Regulations 2004, Schedule 8: METHODS OF MANUFACTURE OF TALLOW DERIVATIVES

Extent: E+W+S+N.I.

The following are the methods of manufacture referred to in regulation 5(5)—
(a) transesterification or hydrolysis at a temperature of at least 200ºC and at an appropriate corresponding pressure for 20 minutes (glycerol, fatty acids and fatty acid esters);
(b) saponification with sodium hydroxide solution, c(NaOH) = 12mol/l (glycerol and soap)—
(i) batch process: at 95°C for three hours; or
(ii) continuous process: at 140°C, two bars (2,000hPa) for eight minutes, or equivalent conditions.

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Source: https://www.legislation.gov.uk/uksi/2004/2152/schedule/8 (the official version)
Page: https://openlegislation.uk/cosmetic-products-safety-regulations-2004/schedule-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.