Spray tanning equipment disperses fine droplets of tanning solution into direct contact with a client's exposed skin across the entire body surface. The spray gun, hoses, booth walls, floor, extraction system, and any barrier materials accumulate DHA solution mixed with skin cells, oils, and bacteria from each client session. The enclosed booth environment — warm, humid, and coated in residual product — supports microbial growth between sessions. Without thorough between-client cleaning, the next client stands in residue from previous treatments while being sprayed with solution that has passed through contaminated equipment. This diagnostic guide evaluates your spray tan sanitation practices and provides the protocols needed for hygienic airbrush and booth spray tanning services.
Spray tanning presents unique hygiene challenges because the treatment involves near-total body exposure in an enclosed space. The client stands unclothed or minimally clothed in a booth where previous clients have stood, touched surfaces for balance, and shed skin cells, sweat, and bacteria onto every reachable surface. The tanning solution itself deposits on the client's skin, but overspray coats the booth walls, floor, and extraction system, creating layers of organic material that support microbial growth.
Booth floors are the highest-risk surface. Clients stand barefoot on a surface that every previous client has also stood on barefoot. Fungal organisms responsible for athlete's foot and plantar warts thrive in the warm, damp conditions at the base of a spray booth. A floor mat or barrier that is simply wiped between clients may appear clean while harboring viable fungal organisms in its texture.
The spray gun and hose accumulate internal residue. DHA solution left in the gun nozzle and feed line between clients provides a medium for bacterial growth. When the gun is activated for the next client, the initial burst pushes this stale, potentially contaminated solution onto the client's skin before fresh solution flows.
Extraction fans and filters collect aerosolized tanning solution mixed with whatever was suspended in the booth air during previous sessions — skin particles, bacteria, and environmental contaminants. A saturated or dirty filter redistributes this material into the booth air during subsequent sessions.
Shared items such as hair nets, nose plugs, eye shields, and sticky feet pads create additional cross-contamination pathways if not managed as single-use disposables or individually disinfected between clients.
State cosmetology boards generally require that spray tan booths and equipment be cleaned and sanitized between each client, that all surfaces a client contacts be disinfected, and that disposable items be provided fresh for each client.
The CDC's guidance on shared bathing and body-contact environments applies by analogy to spray tan booths — shared surfaces contacting bare skin require disinfection between users, with particular attention to floor surfaces where fungal transmission risk is elevated.
OSHA requires that workplace equipment and environments be maintained in a sanitary condition, and that employee exposure to aerosolized chemicals be managed through proper ventilation and extraction.
Industry trade associations recommend specific cleaning intervals and methods, including between-client booth sanitation, daily deep cleaning, and weekly extraction system maintenance.
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The MmowW hygiene assessment evaluates your spray tanning operations including booth cleaning, equipment maintenance, disposable item management, and ventilation system condition. Many salons discover through the assessment that their booth floors are inadequately sanitized between clients, that spray gun internal cleaning is infrequent, and that extraction filters are overdue for replacement. The assessment provides corrective actions prioritized by client safety impact.
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Try it free →Step 1: Provide fresh disposable items for every client. Supply a new pair of disposable sticky feet pads, fresh hair net, new nose plugs, and new eye shields for each client. These items must be single-use — do not clean and reuse them. Discard used items immediately after each session.
Step 2: Clean booth walls and floor between every client. Spray all booth interior surfaces — walls, floor, and any client-contact areas — with an EPA-registered disinfectant approved for skin-contact surfaces. Wipe down walls and horizontal surfaces. For the floor, use a dedicated mop or disposable floor wipes, ensuring complete coverage. Allow the disinfectant's full contact time before the next client enters. Pay particular attention to hand rails, grab bars, and any surface clients touch for balance.
Step 3: Flush the spray gun between clients. After each session, flush the spray gun by spraying clean water through the system for 15 to 30 seconds. This clears residual tanning solution from the nozzle, fluid passages, and supply line. If the gun will not be used again immediately, disassemble the nozzle and wipe all exterior surfaces with a damp cloth to prevent dried solution from clogging the nozzle on next use.
Step 4: Deep clean the spray gun daily. At the end of each day, disassemble the spray gun according to the manufacturer's instructions. Clean the nozzle, air cap, fluid tip, and needle with the manufacturer-recommended cleaning solution. Inspect all passages for dried solution buildup. Reassemble and flush with clean water. Wipe the gun exterior and hose with a disinfectant cloth.
Step 5: Replace or launder booth floor barriers. If you use a disposable floor mat or barrier pad, replace it between every client. If you use a washable mat, have multiple mats in rotation so that a freshly laundered mat is available for every session. Launder used mats at a minimum of 60 degrees Celsius with detergent and a laundry sanitizer. Never use the same mat for consecutive clients without laundering.
Step 6: Maintain the extraction system. Check extraction fan filters weekly. Replace or clean reusable filters according to the manufacturer's schedule — typically weekly to bi-weekly depending on session volume. A clogged filter reduces extraction efficiency, allows aerosolized solution and skin particles to remain in the booth air longer, and creates a contamination reservoir. Wipe the extraction fan housing and ductwork entrance monthly.
Step 7: Clean solution containers and supply lines. Inspect the tanning solution container for sediment, discoloration, or contamination. If using a refillable system, clean the container each time new solution is added rather than simply topping off. Flush supply lines weekly with clean water to prevent dried solution from restricting flow and harboring bacteria in the line.
Step 8: Deep clean the entire booth weekly. In addition to between-client cleaning, perform a thorough deep clean of the entire booth weekly. Remove any disposable wall or floor coverings and replace them. Scrub all permanent surfaces with an appropriate cleaner to remove accumulated DHA staining and organic buildup. Inspect seals, joints, and corners where moisture and product accumulate.
The booth floor is the primary transmission point for fungal infections between barefoot clients. Implement a multi-layer prevention strategy: provide fresh disposable sticky feet pads for every client, disinfect the booth floor between every session with a disinfectant effective against fungi (look for claims against dermatophytes on the product label), use replaceable or washable floor barriers rather than a permanent floor surface, and allow the disinfectant's full contact time before the next client enters. If any client reports a foot infection after visiting your salon, conduct an immediate deep clean of the booth floor including all crevices and joints, and increase your between-client floor sanitation protocol.
Replace or clean extraction filters based on the manufacturer's recommendation, which is typically weekly for salons performing more than five sessions per day. Filters in high-volume operations may need mid-week replacement. Inspect filters visually between changes — a filter that appears saturated (darkened, heavy, or dripping with solution residue) needs immediate replacement regardless of the schedule. A saturated filter creates two problems: it no longer effectively removes aerosolized solution and particles from the booth air, and it becomes a concentrated reservoir of biological material that can release contaminants into the airflow.
Yes. DHA tanning solution is a water-based product containing organic compounds that can support microbial growth once opened and exposed to environmental contamination. Solution that has been stored improperly, exposed to temperature extremes, contaminated by backflow from the gun, or kept beyond its recommended shelf life may harbor bacteria that are then sprayed directly onto client skin. Always store tanning solution according to the manufacturer's recommendations, use it within the specified shelf life after opening, and never return used solution from the gun reservoir to the stock container. If solution develops an unusual odor, color change, or visible particulates, discard it immediately.
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