Health Canada Boric Acid Regulations: What You Need to Know 

Updated Chemical Safety Guidelines from Health Canada 

Health Canada has recently introduced new regulations on the use of boric acid, its salts, and precursors in consumer products. Health Canada’s proposed amendments aim to better protect human health and the environment, especially from chemicals with potential reproductive and developmental health risks. Health Canada’s proposals highlight the potential health risks associated with boric acid, emphasizing the necessity for regulatory measures to prevent exposure in items like mattresses, cleaning supplies, and children’s toys. 

Boric acid is a common ingredient found in various everyday products, including household cleaners, cosmetics, and arts and crafts supplies. The updated safety regulations effect how these products are formulated and sold in Canada. Engaging with industry stakeholders has been crucial in shaping these regulatory updates, ensuring that the measures are both effective and feasible. 

What is Boric Acid? 

Boric acid is a naturally occurring chemical compound present in minerals, plants, and even some human body fluids. It has been widely used for decades in: 

• Household cleaning products (e.g., detergents, disinfectants) 

• Pest control solutions (e.g., insecticides, ant traps) 

• Personal care items (e.g., antifungal creams, eye drops) 

Additionally, boric acid is utilized in various industrial applications, including rubber manufacturing, chemical manufacturing, and engineered wood products manufacturing. 

Boric acid is also found in spa maintenance products, which are used to maintain the cleanliness and safety of swimming pools and spas. 

Thanks to its antimicrobial and insecticidal properties, boric acid has been a versatile component across multiple industries. However, concerns have grown about its potential health hazards, particularly with long-term or high-level exposure. Sources of anthropogenic boric acid include manufacturing and the use of various consumer products, which significantly impact environmental and human health, especially for children and other vulnerable populations. 

Natural sources of boric acid include sea-salt aerosols, soil dusts, and volcanic activities, contributing to background exposure levels in humans and ecosystems through food and environmental media. 

Health and Environmental Concerns 

Boric acid and its salts have been linked to several adverse health effects, particularly concerning reproductive toxicity. Studies have shown that exposure to these substances can lead to decreased fertility, birth defects, and other developmental issues. These findings underscore the importance of regulating boric acid to protect human health, especially for vulnerable populations like children and pregnant women. 

The environmental impact of boric acid and its salts is equally concerning. These substances can persist in the environment and bioaccumulate in aquatic organisms, posing a threat to aquatic ecosystems. Additionally, boric acid can contaminate soil and groundwater, leading to potential human exposure through drinking water. The persistence and bioaccumulation of boric acid in the environment highlight the need for stringent regulatory measures to mitigate these risks. 

Following a comprehensive risk assessment of boric acid, Health Canada found that prolonged exposure—especially for vulnerable populations like children and pregnant women—could lead to: 

• Reproductive toxicity 

• Developmental effects 

• Skin and eye irritation 

Key Regulatory Changes and Proposed Risk Management Measures to Boric Acid Use 

Here are the major updates from Health Canada’s boric acid regulations: 

• Lower concentration limits in cosmetic and personal care products, including lotions, powders, and creams 

• New labeling requirements and formulation restrictions for household products and pest control solutions 

• Stricter usage guidelines for agricultural applications, to reduce environmental and wildlife exposure 

These updates were developed with input from interested stakeholders, who play a crucial role in the regulatory process by providing feedback and participating in public comment periods. 

These changes align with global best practices in chemical management and toxicology standards. Additionally, the proposed risk management measures, including their socio-economic impact and feasibility, were carefully considered to ensure effective environmental management and industry compliance. 

The regulations also consider reasonably foreseeable circumstances to ensure that boric acid does not pose a risk to children. 

Why Boric Acid Safety Regulations Matter to Protect Human Health 

This regulatory shift underscores a precautionary approach to chemical safety. With increased public awareness about toxic substances in consumer goods, these updates: 

• Minimize risks from cumulative chemical exposure 

• Help protect public health, especially for sensitive demographics 

• Encourage manufacturers to pursue safer, eco-friendly alternatives 

The Canadian government has taken a precautionary approach to minimize the potential for harm from chemicals that may have unknown or underreported long-term effects. By revising boric acid regulations, Health Canada aims to create safer environments for consumers, especially those who are more vulnerable, such as children and pregnant women, while still allowing the beneficial uses of boric acid in controlled circumstances. 

The Future of Boric Acid in Canadian Products 

While boric acid is not being banned, companies will now need to comply with Health Canada’s new restrictions or seek non-toxic ingredient alternatives. The use of boric acid in pest control products is regulated under the Pest Control Products Act, ensuring safety standards are met. Boric acid is listed on the Domestic Substances List, which guides its regulatory assessment and management. The Chemicals Management Plan outlines the regulatory framework for managing the risks associated with boric acid. This presents opportunities for: 

• Innovative product development 

• Green chemistry solutions 

• Sustainable pest control and cleaning products 

Consumers should also begin checking ingredient labels more closely and staying informed about updates to chemical safety regulations in Canada. Additionally, the inclusion of boric acid in cosmetics, natural health products, and non-prescription drugs is governed by the Food and Drugs Act, which enforces safety standards to prevent harm to consumers. 

Stay Compliant with Evolving Health Canada Guidelines 

Businesses that manufacture or import products containing boric acid should review their formulations and ensure they meet Health Canada’s revised chemical safety standards.  

Contact Dell Tech today for expert regulatory support and guidance on how these changes may impact your product lines. A risk management approach is essential for compliance, focusing on strategies for stakeholder engagement and performance measurement to manage risks effectively. 

DELL TECH HAS PROVIDED PROFESSIONAL, CONFIDENTIAL CONSULTING SERVICES TO THE SPECIALTY CHEMICAL INDUSTRY IN CANADA, THE USA, EUROPE AND ASIA FOR THE LAST 40 YEARS.