Good Manufacturing Practices ensure that cosmetics and personal care products with approved ingredients are produced under specific hygiene conditions and with proper documentation for all ingredients, processes, sales and packaging.

Many importers require a good manufacturing certificate before they can import products. Companies that can document compliance with good manufacturing practices as described in the U.S.

Government health authorities, government health authorities, or other standards may issue a certificate of good manufacturing practice (also known as GMP certificate ). Most countries prefer that GMP certificates be issued by a trade association such as ACMA.