How to Prepare for a Spray Tan: Do's and Don'ts for a Flawless Result
A spray tan can look incredible or patchy — and the difference is almost entirely in how you prepare. Here's exactly what to do before, during, and after your appointment for a streak-free result.
A good spray tan looks like you just came back from two weeks in Florida. A bad one looks like you rubbed yourself with a carrot. The technique matters, the product matters — but the biggest variable in how your tan turns out is how you prepared your skin. Here's exactly what to do before, during, and after your spray tan appointment for results that last and look natural.
How Spray Tans Work
The active ingredient in spray tans is DHA (dihydroxyacetone), a colorless sugar derived from plant sources. When DHA contacts the dead cells on the outermost layer of your skin, it triggers a chemical reaction that darkens those cells — essentially the same process as browning on food. This is completely different from UV tanning, which stimulates melanin production. DHA doesn't cause UV damage, and the color is entirely superficial.
Because DHA only affects dead skin cells, the tan fades as those cells naturally shed — typically 5–10 days. This is also why prep is so critical: if you have a thick, uneven layer of dead skin cells, the DHA develops unevenly, and the result is patchy. Exfoliation is the single most important prep step.
The Prep Timeline
24–48 Hours Before
Exfoliate thoroughly. Use a physical exfoliating scrub on your entire body — focus on knees, elbows, ankles, and wrists, which are the roughest areas and the most prone to over-absorption. You want to start with a smooth, even canvas. Don't use an exfoliant with oils as the carrier; oil-free exfoliants are better because they don't leave residue that interferes with DHA.
Shave or wax. Any hair removal should happen before your spray tan, not after. Waxing is better done at least 24 hours before (48 hours is safer) to let the pores close fully. Shaving can be done the morning before an afternoon appointment. Don't shave immediately after your tan — it physically removes the tanned layer and creates streaks.
Moisturize dry spots. Right after you exfoliate, apply a lightweight, oil-free moisturizer to your knees, elbows, ankles, and the sides of your feet. These areas are drier and more porous, which means they can absorb more DHA and come out darker than the surrounding skin. A thin barrier of lotion slows the absorption and evens the result.
Day of Your Appointment
Skip all of these: deodorant, perfume, body lotion, makeup, and any oil-containing product on your skin. These create a barrier that prevents even DHA absorption. Even invisible residue from your morning lotion can cause patchiness, so shower and go product-free before you arrive.
Wear or bring loose, dark clothing. After your appointment, your skin will be damp and you'll have a bronzer (a temporary guide color) on your skin. Tight clothing leaves impressions. Synthetic fabrics can rub unevenly. Loose, dark clothes — a flowy dress, dark sweats — are ideal for the first few hours.
Skip the gym. Don't work out before your appointment. Sweat in skin folds causes streaking during the development window.
The Two Types of Spray Tan: Booth vs. Custom Airbrush
These are meaningfully different experiences with different results.
Automated spray tan booth: You stand in a small booth and the machine sprays you from multiple nozzles on a timed cycle. You rotate at certain points to ensure full coverage. Booths are faster (3–5 minutes total), cheaper, and widely available. The downside is that the machine can't adjust for your individual body — folds, creases, and awkward angles sometimes get missed or over-sprayed.
Custom airbrush spray tan: A technician applies the solution by hand using a spray gun. They can see your body and adjust the technique in real time — building up color in areas that need it, going lighter on dry patches, and making sure every spot is covered correctly. Custom airbrush tans typically produce better results, especially for first-timers or anyone with concerns about patchiness. They also take longer (20–45 minutes) and cost more.
For events — a wedding, a photoshoot, a reunion — custom airbrush is worth the upgrade. For maintenance tanning if you already know how to prep and you're happy with booth results, the booth is a more practical routine choice.
During the Appointment
Breathe normally. If you're nervous about inhaling the solution, your technician can give you a nose filter. Breathe through your mouth and don't hold your breath, which causes muscle tension and uneven spray patterns.
Hold positions when asked. For airbrush tans, your technician will direct your positioning. Standing with arms slightly away from your body, standing on your toes briefly when they're doing your feet, and keeping fingers slightly spread are all things they'll guide you through. Follow their lead — they can see angles you can't.
Let it dry before dressing. Give yourself 2–5 minutes before putting on clothing. Some salons have fans to speed drying; others will give you time naturally.
The Development Window
The bronzer you see right after your appointment is a temporary guide color — a cosmetic tint that washes off with your first shower. The actual DHA tan develops underneath this color over the next 6–8 hours.
Don't shower or get wet during the development window. This is the most common mistake. Water disrupts the DHA reaction before it's fully completed, which causes streaking and uneven fading.
Depending on your desired shade, your technician may recommend a shorter or longer development window — anywhere from 4 hours for a lighter result to overnight for the darkest possible outcome.
Aftercare: Making Your Tan Last
Your first shower should be brief (5 minutes max), cool, and gentle. Pat dry — don't rub. Use a mild soap and avoid scrubbing. The bronzer will wash off and the first shower can look alarming as the guide color runs, but your actual tan is set by this point.
Moisturize daily. This is the aftercare step that most people underestimate. Hydrated skin sheds more slowly and evenly, which means your tan fades gradually rather than in patches. Apply a good body lotion at least once a day.
Avoid chlorine. Swimming pools accelerate fading significantly — chlorine chemically breaks down the DHA-tanned cells. Saltwater (ocean) also fades tans quickly. If you're swimming regularly, plan your spray tan timing accordingly.
Avoid exfoliating products during the tan. AHAs, retinoids, and physical scrubs all accelerate cell turnover and will shorten your tan's life. Save the exfoliating routine for after your tan has faded and you're prepping for your next one.
How Long Does It Last?
5–10 days is the realistic range. Variables that affect longevity include:
- How well you prepped (better prep = more even fade)
- How hydrated your skin is afterward
- Your swimming or bathing habits
- Your natural skin cell turnover rate (faster turnover = shorter tan)
Most regular clients book appointments every 1–2 weeks to maintain continuous color.
Tips for Darker Skin Tones
Spray tanning on deeper skin tones works — DHA reacts with all skin, regardless of natural pigmentation. A few notes:
Choose the right depth. On deeper skin, a "dark" solution often reads as a natural warmth or glow rather than an obvious tan. Some clients with deep skin prefer medium solutions for a subtle effect; others go dark for a deeper richness. Discuss this with your technician before they start.
Patchiness is still a risk. The prep rules apply regardless of skin tone. Elbows and knees that are drier or rougher in texture can still over-absorb DHA on deeper skin. The moisturizer barrier trick on those areas is equally important.
Avoid orange-based solutions. Higher-quality formulations use cooler DHA bases that develop into warm brown tones. Cheaper solutions tend toward orange. Ask your technician about the specific brand and formula they use — this matters more on lighter skin but can affect the undertone result on all skin.
What It Costs in Indianapolis
| Service | Typical Range | |---|---| | Automated booth spray tan | $30–$50 | | Custom airbrush spray tan | $45–$75 | | Spray tan with exfoliation add-on | $55–$90 | | Series packages (4–6 sessions) | $120–$250 |
For the full picture on what beauty services cost across Indianapolis, see the Indianapolis beauty services price guide.
Ready to get started? Browse spray tan and tanning providers in Indianapolis to find a technician near you — booth and custom airbrush options available.