Getting a tan is your skin’s natural response to UV radiation. When your skin is exposed to the sun or a tanning bed, it produces more melanin, the pigment that darkens your skin. This process is your body’s way of trying to protect itself from further damage. There is no safe way to get a tan from the sun or tanning beds, but there are safer alternatives that give you the same look.
What Causes Your Skin to Tan?
Your skin has two main types of melanin: eumelanin and pheomelanin. Eumelanin is dark brown and provides good protection. Pheomelanin is red or yellow and offers less protection. The balance of these two types determines your natural skin color and how easily you tan or burn.
When UV rays hit your skin, they damage the DNA in your skin cells. Your body responds by producing more melanin and moving it to the surface. This darkening is a sign of injury, not health. The American Academy of Dermatology states that any change in skin color from UV exposure is a sign of damage.
The process takes time. You might see some color within a few hours, but a full tan develops over 24 to 72 hours. This is because the melanin needs time to rise to the surface of your skin. Trying to speed this up by staying in the sun longer only increases your risk of sunburn and long-term skin damage.
How Do You Make Tan Safely Without the Sun?
The only genuinely safe tan comes from a bottle. Self-tanners and spray tans use an ingredient called dihydroxyacetone (DHA). DHA is a sugar molecule that reacts with the amino acids in the dead skin cells on your surface. This reaction creates a brown color that is not a true tan but looks like one.
The FDA has approved DHA for external use since the 1970s. Research published in the International Journal of Cosmetic Science confirms that DHA does not penetrate beyond the outermost layer of skin when applied correctly. This means it does not cause the DNA damage that UV radiation does.
Sunless tanners come in several forms: lotions, sprays, mousses, and wipes. Professional spray tans at a salon usually give the most even results. At-home products vary widely in quality. The key is proper preparation and application, which makes the difference between a natural-looking glow and a streaky orange mess.
What Does Research on Sunless Tanning Products Show?
Studies have found that DHA-based tanners are effective and safe when used as directed. A review in the Journal of the American Academy of Dermatology noted that DHA is one of the few self-tanning ingredients with substantial safety data behind it. No serious health risks have been linked to topical DHA use in over 50 years of common use.
Some concerns exist about inhaling DHA spray. The FDA has warned that DHA is not approved for internal use, meaning you should avoid breathing in spray tanners. Professional spray tan technicians should use proper ventilation and protective gear. For at-home use, hold the spray away from your face and close your mouth and eyes.
Evidence indicates that DHA provides no sun protection. A sunless tan offers an SPF of about 3 to 4 at best, which is far below the recommended SPF 30. People who use self-tanners often skip sunscreen because they think they are protected. The Skin Cancer Foundation reports that this is a dangerous misconception. You still need sunscreen every day, even with a deep sunless tan.
How Do You Make Tan Last Longer With Self-Tanner?
Getting a good tan from a bottle is only half the battle. Keeping it looking good requires some simple habits. The color sits on dead skin cells, and those cells naturally shed every few days. Anything that speeds up shedding will fade your tan faster.
Exfoliation is the most important step. You need to remove dead skin before applying self-tanner, not after. Use a gentle scrub or an exfoliating mitt in the shower the day before you plan to tan. Pay extra attention to rough areas like elbows, knees, and ankles. These areas have thicker skin and will absorb more color, leading to dark spots if not prepped properly.
Moisturizing daily is the second key step. Dry skin flakes off faster, taking your tan with it. Apply a fragrance-free moisturizer every morning and night. Avoid products with exfoliating acids or retinol on tanned skin, as these ingredients speed up cell turnover and fade your color faster.
Here is a quick comparison of how different self-tanner types perform:
| Product Type | Application Ease | Color Development | Duration |
|---|---|---|---|
| Lotion | Easy, beginner-friendly | 4-6 hours | 3-5 days |
| Mousse | Moderate, needs mitt | 6-8 hours | 5-7 days |
| Spray | Hard without practice | 8-10 hours | 5-7 days |
| Professional spray | Easiest, done by expert | 8-12 hours | 7-10 days |
What Are the Side Effects of Sunless Tanning Products?
The most common side effect is a bad application. Streaks, orange patches, and uneven color happen when you skip preparation or rush the process. These are cosmetic problems, not health problems, but they can be frustrating. Most can be fixed with gentle exfoliation and a fresh application.
Some people experience skin irritation from DHA or the other ingredients in self-tanners. Fragrances and preservatives are common culprits. If your skin is sensitive, look for products labeled “fragrance-free” and “hypoallergenic.” Do a patch test on a small area of skin 24 hours before applying to your whole body.
A less common but real issue is a temporary bad smell. The reaction between DHA and your skin produces a distinct odor that some people find unpleasant. Newer formulations have improved this, but it is still noticeable on some people. Showering and applying deodorant and perfume can help mask it.
As of 2026, there is no clinical evidence that DHA from self-tanners causes internal health problems when used correctly on intact skin. The concern about DHA entering the bloodstream through cuts or mucous membranes is real but easily avoided. Do not apply self-tanner to open wounds, your lips, or the inside of your nose.
Common Misconceptions About How Do You Make Tan
One of the most persistent myths is that a “base tan” prevents sunburn. This is false. A base tan provides minimal protection, equivalent to an SPF of about 3 or 4. The CDC states that any tan is a sign of skin damage. Relying on a base tan to prevent burning is dangerous and leads to more UV exposure over time.
Another common belief is that tanning beds are safer than the sun. Research published in JAMA Dermatology found that people who use tanning beds before age 35 have a 59% higher risk of melanoma. Tanning beds deliver concentrated UVA radiation that penetrates deeper into the skin than natural sunlight. There is no safe dose of UV radiation from a tanning bed.
Some people think that self-tanners provide sun protection. As mentioned earlier, this is not true. DHA does not block UV rays. You must apply a separate broad-spectrum sunscreen with at least SPF 30 every day, even if you have a deep sunless tan. The two products serve completely different purposes.
Many people also believe that darker skin never needs sunscreen. This is false. People with darker skin tones have more natural melanin, which provides some protection, but they still get skin cancer. The Skin Cancer Foundation reports that people of color often get diagnosed with melanoma at later stages, which makes it more dangerous. Everyone needs sunscreen regardless of skin color or tan status.
Frequently Asked Questions
How long does a self-tanner take to develop?
Most self-tanners take 4 to 12 hours to fully develop depending on the product. Lighter shades develop faster, and darker shades take longer.
Can you use self-tanner on your face?
Yes, but use a product made specifically for the face. Facial skin is thinner and more sensitive than body skin.
Does a spray tan wash off in the shower?
A spray tan will not wash off immediately if you wait the recommended time before showering. It gradually fades over 5 to 10 days as your skin naturally sheds.
What is the best way to remove a bad self-tan?
Exfoliate with a scrub or a mixture of baking soda and water. You can also soak in a warm bath and gently rub the skin with a washcloth.

