Nail salon ventilation means removing chemical vapors and dust from the air that nail techs and clients breathe, by pulling contaminated air away and bringing fresh air in. OSHA calls ventilation the best way to lower the level of chemicals in a salon. A good setup combines two layers: exhaust right at the work station (source capture) and good general airflow for the whole room, backed by simple habits like closing bottles and using lidded trash cans.
Key takeaways
- Polishes, glues, removers and artificial nail products can release vapors and dust that cause breathing problems, irritated eyes and skin problems, according to OSHA.
- Source capture (local exhaust) pulls vapors and dust away at the table. General ventilation brings in fresh air and moves room air out.
- OSHA reports that NIOSH lab tests found exhaust ventilation may cut worker chemical exposure in nail salons by at least 50%.
- Ventilated tables only help when they are on and maintained: OSHA says to change charcoal filters at least monthly and clean the catch basin at least weekly.
- Closed bottles and metal trash cans with self-closing lids keep chemicals from evaporating into the air. Paper or cloth masks do not stop vapors.
Why nail salon ventilation matters
OSHA’s page on chemical hazards in nail salons lists chemicals that nail products may contain, such as toluene, formaldehyde, dibutyl phthalate, methacrylates, acetone and ethyl acetate. These chemicals can get into your body when you breathe vapors, dusts or mists, when they get on your skin or in your eyes, or when they are accidentally transferred onto food.
OSHA also points out that exposures “add up.” That happens when many products are used at once, when they are used day after day, or when ventilation is poor. Long workdays add to the time techs are exposed. Clients breathe the same air, too.
In California, salons must also have an adequate ventilation system under the building code, as 16 CCR § 995(a) requires. Your landlord, building department or an HVAC contractor can tell you what applies to your space.
OSHA’s guide for workers, Stay Healthy and Safe While Giving Manicures and Pedicures, includes a clear example from King County, Washington. During acrylic nail removal with no ventilation running, chemical levels went over 826 parts per million. With the ventilation system running during the same process, levels dropped below 12.4 parts per million.
Source capture vs. general ventilation
There are two kinds of nail salon ventilation, and they do different jobs. The CDC’s NIOSH page on nail technician safety and health describes both: good general ventilation can reduce chemical levels in the air, and local exhaust controls at the workstation include portable units that filter or exhaust air to the outdoors and downdraft ventilated tables.
| Source capture (local exhaust) | General ventilation | |
|---|---|---|
| What it does | Pulls vapors and dust away right where they are made, at the table | Brings fresh air into the room and moves room air out |
| Examples | Downdraft ventilated tables, portable ventilation units in the work area | Open doors and windows, ceiling vents, an exhaust system, the HVAC fan, exhaust fans |
| Main strength | Removes vapors and dust directly from the work area | Lowers the overall level of chemicals in the whole salon |
| What to watch | Must be switched on, placed close to the work and maintained | Air should move chemicals away from workers, not across their faces |
OSHA and NIOSH list both because they cover different jobs: one handles the air at the table, the other the air in the whole salon.
Ventilated tables and portable units: keep them working
Equipment only helps when it runs. OSHA’s guidance for salons with ventilated tables is simple:
- Make sure the tables are turned on.
- Change the charcoal filters at least once a month.
- Clean out the catch basin at least once a week.
If you have portable ventilation machines, OSHA says to use them in your work area to pull harmful vapors away from you and your clients. Follow the equipment maker’s instructions for placement, filters and service. Put a recurring reminder in your calendar for filter changes, the same way you track your pedicure spa cleaning log.
Getting the most from general ventilation
OSHA lists these steps for the whole room:
- Let in fresh air by opening doors and windows when possible. If the salon has a ceiling vent, it should be on and working.
- Always keep the salon’s exhaust system on.
- If there is no exhaust system, keep the HVAC system running during work hours with the thermostat fan switch set to “on,” not “auto,” so air keeps moving even when heating or cooling is off.
- Have an HVAC contractor clean the system and replace the filters at least once a year.
- Install exhaust fans where possible. Place fans near open doors or windows so they pull air in at one end of the salon and push it out the other.
Direction matters. OSHA’s guide shows that outside air coming through a window should blow chemicals away from the worker’s face, not into it, before the air leaves the salon. Walk your floor plan and picture where the air goes from the door to the exhaust.
Keep lids closed and trash covered
Good habits cut down how much chemical gets into the air in the first place. Here is a daily routine based on OSHA’s safe work practices:
- Move products into small bottles with small openings, and label them with the information from the manufacturer’s label.
- Close bottles tightly whenever you aren’t using them.
- Use only as much product as the service needs, and don’t keep extra product at the station.
- Drop soaked cotton balls and wipes straight into a metal trash can with a tight, self-closing lid. If you don’t have one, seal them in a bag first and keep the trash covered.
- Empty trash cans often, and take the trash outside at the end of each day.
- Never pour used chemicals down the sink or toilet or onto cotton balls. OSHA notes that used liquid acetone must be saved in a fire department-approved metal container and disposed of as hazardous waste.
- Keep food and drinks covered and out of the work area, and step outside for fresh air on breaks.
Skin protection matters too. OSHA says nitrile gloves protect against many chemicals used in nail products, while latex or vinyl gloves are appropriate when handling acetone. Replace any glove with a cut, tear or hole. You can stock station gloves from our gloves and sanitation category, including latex gloves by the carton. For removal tips, see our guide to safe gel nail removal.
Masks and respirators: what ventilation can’t replace
Many techs wear paper or cloth masks. OSHA is clear that these are not respirators. Even stuffed with tissues, they will not protect you from breathing in harmful gases, vapors or dusts.
- NIOSH-approved filtering facepiece respirators, such as N95s, can help with dust while buffing or filing artificial nails or using acrylic powders. They do not protect against vapors or gases.
- Half-mask respirators with chemical cartridges help protect against chemical vapors. If an employer requires them, OSHA’s respiratory protection standard calls for a full program, including fit testing, medical evaluation and training.
OSHA says most nail salon work will not require respirators when the salon has good ventilation and good work practices. Employers must evaluate exposure and decide whether respirators are needed. Small businesses can get help from OSHA’s free On-site Consultation Program.
FAQ
Is ventilation required in a nail salon?
In California, yes. 16 CCR § 995(a) requires establishments to have an adequate ventilation system under the state building code. Other states and cities have their own rules. OSHA also recommends ventilation as the best way to lower chemical levels in any salon.
Do ventilated nail tables really work?
OSHA reports that NIOSH lab tests found exhaust ventilation systems may reduce worker chemical exposure in nail salons by at least 50%. A table only helps when it is turned on and maintained, so change the charcoal filters at least monthly and clean the catch basin at least weekly.
Do masks protect nail techs from fumes?
Paper, cloth and surgical masks do not protect against gases, vapors or dusts, according to OSHA. An N95 can help with dust but not vapors. Ventilation and closed containers do most of the work.
How can I reduce nail salon smells?
Smell comes from vapors in the air. Keep bottles closed, use lidded metal trash cans, take trash out daily, run the exhaust system all day and keep the HVAC fan on “on.” If you have ventilated tables, keep them on and maintained.
If you have headaches, breathing problems or skin irritation that you think come from work, tell your doctor and your employer. OSHA’s guide notes that employers must follow up on reports of health problems.
Good nail salon ventilation comes down to capturing vapors at the table, keeping fresh air moving and keeping lids closed. For the rest of your compliance routine, see our sibling guides to the nail salon inspection checklist and EPA-registered disinfectant for nail salons, and browse our disposable salon supplies. Questions? Call +1 (669) 696-7724 or reach us through our contact page.
