To ask His Majesty's Government what assessment they have made of the safety of the use of silver in period products, including period pants and menstrual cups, in the light of concerns among the scientific community regarding the safety of the wearer and environmental impacts, particularly on aquatic life.

To ask His Majesty's Government whether they will take action to prevent the unnecessary use of additives and antimicrobial substances in period products claiming ‘anti-odour’ or ‘antimicrobial’ properties.

The UK has a comprehensive regulatory framework in place to ensure products are safe before they are placed on the market. Period products, including period pants and menstrual cups, are regulated by the General Product Safety Regulations 2005. This provides a baseline of safety for applicable products, requiring that only safe products, in their normal or reasonably foreseeable use, can be placed on the market. The law places obligations on producers, manufacturers, importers and distributors to ensure consumers are provided with safety information, including instructions for safe use. This includes risks that are not immediately obvious to consumers without adequate warnings, such as the use of additives and antimicrobial substances and the presence of silver in these products.

Period products are not classed as biocidal products under the GB Biocidal Products Regulation but are instead articles which contain or are treated with a biocidal product (such as a silver compound). A number of silver active substances are currently waiting to be assessed for safety and efficacy as biocides under the GB review programme of existing active substances. While this is the case they can be legally used in treated articles including period products.

Defra continues to monitor research on chemicals in period products as part of the UK REACH Work Programme, working closely with the Health and Safety Executive and the Environment Agency. This ongoing work covers all risks, including those relating to aquatic life. Studies carried out in the EU found that the chemicals identified in these products were present only in low concentrations, with no evidence of significant risks to human health.