Do I legally need a certificate to work as a nail technician in Ontario?

No, Ontario doesn't currently regulate nail technicians as a licensed occupation, and it isn't a certified trade under Skilled Trades Ontario. That said, most salons require proof of training as a hiring standard, and regardless of any certificate, the Personal Service Settings regulation's infection-control requirements apply to anyone providing nail services, licensed or not.

Is it actually illegal to use MMA-based acrylic products?

Yes. Health Canada banned the sale and use of cosmetic nail preparations containing methyl methacrylate (MMA) in 2003 under the Food and Drugs Act, and it remains on the Cosmetic Ingredient Hotlist of prohibited cosmetic ingredients. If a product is being marketed as a cheaper alternative to standard acrylic and seems unusually strong-smelling or adhesive, that's a real legal and health red flag, not just a quality concern.

Becoming a Nail Technician in Ontario: What the Law Actually Requires

Ontario doesn't require a government licence to work as a nail technician, but the Personal Service Settings regulation's infection-control rules apply regardless of certification, and MMA-based nail products have been banned by Health Canada since 2003. If you go independent, GST/HST registration becomes mandatory once your revenue crosses $30,000.

Ontario doesn’t require a government licence to work as a nail technician; it isn’t a regulated or certified trade in the province. But that doesn’t mean anything goes: Ontario’s Personal Service Settings regulation imposes real, mandatory infection-control duties on anyone providing nail services, certified or not, and MMA-based acrylic products have been illegal to sell or use in Canada since 2003. If you eventually go independent, GST/HST registration becomes mandatory once your revenue crosses $30,000.

No licence is required, but that’s not the same as no rules

Nail technician work isn’t currently regulated as a licensed occupation in Ontario, and it isn’t a certified trade under Skilled Trades Ontario. A certificate from a recognized nail school is an industry hiring standard, not a legal requirement, which is part of why quality and training vary so widely between salons. That said, “no licence required” only describes the entry requirement; it says nothing about the health and safety rules that still apply once you’re actually providing services.

The infection-control rules that apply regardless of certification

Per Ontario Regulation 136/18, Personal Service Settings, and Public Health Ontario’s guidance on the same rules, anyone providing nail services in Ontario, in a salon, a private studio, or mobile, must follow specific infection-control duties, including:

Washing hands before and after each client, before and after wearing gloves, and after breaks.
Cleaning multi-use tools, like nail files, cuticle nippers, and clippers, with soap and water, then disinfecting them with an intermediate or high-level disinfectant for at least 10 minutes between clients.
Not personally storing single-use items for reuse.
Refusing service to a client showing visible signs of nail fungus or infection, and advising them to see a healthcare professional.
Collecting contact information for every client receiving services beyond basic hairdressing or barbering.

These duties apply whether you work in a salon, run a private studio, or offer mobile services, and they apply regardless of whether you’ve completed any formal certification.

MMA products aren’t just bad for your reputation, they’re illegal

Per Health Canada’s Cosmetic Ingredient Hotlist, methyl methacrylate (MMA), once common in cheaper acrylic nail products, has been banned for cosmetic use in Canada since 2003 under the Food and Drugs Act, due to its risk of skin reactions and permanent nail damage. If a supplier is offering unusually cheap acrylic liquid with a strong, factory-like smell, that’s not just a quality issue; it may be an illegal product you could be held responsible for using on clients.

If you go independent: registering your business

Running your own studio means treating it as an actual business from day one. Per the CRA’s guidance on GST/HST registration, you’re required to register for GST/HST once your gross revenue, not profit, crosses $30,000 within any single calendar quarter or across four consecutive calendar quarters, and you have 29 days to register once you cross that threshold. Registering earlier is optional but can let you claim input tax credits on your own business expenses, like equipment and supplies.

What to actually do

Get trained through a recognized program even though it isn’t legally mandatory; it protects you and your clients, and most salons expect it.
Learn Ontario’s Personal Service Settings requirements directly, since they apply to you regardless of where you work.
Check any acrylic or liquid product you use against Health Canada’s Cosmetic Ingredient Hotlist if you have any doubt about what’s actually in it.
Track your gross revenue if you go independent, and register for GST/HST within 29 days of crossing $30,000.

Outside Ontario

Infection-control and business licensing rules for personal service settings vary by province; some jurisdictions have stricter municipal-level requirements for nail and esthetics services than Ontario does. Check your own province’s public health authority before setting up shop elsewhere in Canada.