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The important question here is if the packaging is food contact packaging. Below are the requirements of the 4 main GFSI benchmarked standards for food packaging. Prevention of contamination from hair and jewellery is prescribed in each. There is also an emphasis on risk analysis/hazard analysis.
BRCGS Global Standard for Packaging Materials Issue 6
6.5 Protective clothing
6.5.1 Hair coverings and/or beard snoods, where appropriate, shall be worn in production areas at sites manufacturing materials for direct contact with food or other hygiene-sensitive products.
6.2 Personal hygiene
6.2.1 The requirements for personal hygiene at sites producing materials for direct contact with food or other hygiene-sensitive products shall be documented and communicated to all personnel. These shall include, as a minimum, the following instructions:
• wrist bands, wrist-worn devices or watches shall not be worn
• jewellery including piercings shall not be worn on exposed parts of the body, with the
exception of a plain wedding ring, wedding wristband or medical alert jewellery
SQF Food Safety Code: Manufacture of Food Packaging, Edition 9
13.3.3 Clothing and Personal Effects
188.8.131.52 The site shall have a clothing and hair policy that protects raw and packaging materials, work-in-progress, food sector packaging, and product contact surfaces from unintentional contamination.
184.108.40.206 Jewelry and other loose objects shall not be worn or taken into any area where raw and packaging materials, work-in-progress, or food sector packaging is exposed. Wearing plain bands with no stones and medical alert bracelets that cannot be removed can be permitted; however, the site will need to consider their customer requirements and the applicable food legislation.
FSSC 22000 CERTIFICATION Scheme Version 5.1
Technical Specification ISO/TS 22002-4:2013 (Prerequisite programmes on food safety -- Part 4: Food packaging manufacturing)
4.10.4 Workwear and protective clothing
The organization shall ensure that personnel who work in or enter into production or storage areas shall wear work clothing which is fit for purpose, in good condition and which not present any potential for contamination.
Where appropriate, work clothing or other adequate protection shall provide coverage so that hair, perspiration and other loose items cannot contaminate raw materials, intermediate products, food packaging or equipment based on a food safety hazard analysis.
4.10.7 Personal Behaviour
A documented policy shall describe the behaviours required of personnel in production and storage areas. The policy shall at a minimum cover:
a) permissibility of smoking, drinking (other than water), eating and chewing in designated areas only; the prohibition of wearing jewellery, wristwatches and visible piercings, unless they are appropriately controlled to minimize contamination. The organization shall clearly define the type of jewellery allowed to be worn as determined by hazard analysis.
IFS PACsecure Version 2 - Standard for assessing product and process compliance in relation to the safety and quality of packaging material
3.2 Personal hygiene
Based on hazard analysis and assessment of associated risks, the requirements for personal hygiene shall consider, at a minimum, the following topics:
• coverage of hair and beards
• protective clothing (including their condition of use in productive areas and staff facilities)
• hand washing, disinfection and hygiene
• eating, drinking and smoking
• actions to be taken in case of cuts or skin abrasions
• fingernails, personal belongings (including medicines), and prohibition to use jewellery
(2) The usage of headgear is required. Considerations: If so, control activities shall be in place to prevent product contamination due to its misuse (e.g. check if the headgear covers the hair completely)
(3) The usage of wedding bands is allowed as an exception (after evaluation and justification). If so, relevant control activities shall be in place to avoid product contamination due to the exception.
If you are manufacturing food contact packaging then quite clearly you should have controls in place to prevent contamination with hair or jewellery.