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Laser treatment in summer: what is possible with sun and a tan, and what is not?

Sun and laser are only compatible up to a point. Tanned skin absorbs more energy, and freshly treated skin quickly reacts to UV light with pigment spots. Even so, not everything has to pause in summer: what matters is which treatment is planned, how tanned the skin is and how consistently sun protection is applied afterwards.

This page classifies hair removal, pigment treatment, CO2 laser, non-ablative laser, RF microneedling, tattoo removal and BBL by season and answers questions about self-tanner, holidays and sun protection. Suitable SIACSKIN devices include the AlexDUAL UFO with its Nd:YAG laser for darker skin and the EUPHEUS M8, whose radiofrequency works independently of skin colour.

Which laser treatments can be done in summer and which are better postponed until autumn?

RF microneedling, carbon peel and non-ablative lasers are readily possible in summer, whereas ablative CO2 treatments, melasma and intensive pigment treatments are better placed in autumn. The rule behind this: the more a treatment opens the skin surface or targets melanin, the less well it tolerates sun. Hair removal, BBL and tattoo removal lie in between. They are possible if the area is untanned and afterwards stays covered or protected with sun protection factor 50. Underarms and the bikini line are therefore easier in summer than the lower legs and face. At SIACSKIN, the EUPHEUS M8 with radiofrequency is the option that does not depend on skin colour. The TULIX works non-ablatively with little downtime. The FRACO CO2 XL has its main season from autumn to spring.

What happens if you have laser treatment despite a fresh suntan?

On freshly tanned skin the risk of burns, blisters and pigment spots rises markedly. A tan means more melanin in the epidermis and activated pigment cells. Light and lasers that target melanin then release part of their energy at the surface. The result can be crusts and dark pigment spots that take months to fade, or light patches that only become noticeable the next time you tan. If the studio lowers the energy as a precaution, too little reaches the deeper layers and the session is less effective. Both are reasons to postpone. Devices with skin detection help with the assessment: on the DEWEON 4LD an AI skin analyser selects wavelength and energy, and on the AlexDUAL UFO the SIA AI uses cameras on the handpiece to set skin type and energy. Whether treatment goes ahead is nevertheless decided by the person operating the device.

When should you start laser hair removal to be hair-free by summer?

Ideally in autumn or early winter, because a course takes several months. The usual number is 6 to 8 sessions, every 4 to 6 weeks on the face and every 6 to 10 weeks on the body. Anyone who starts in October has completed most of it by June and has had the skin treated during the months with little sun. Visibly fewer hairs can be seen after just 2 to 3 appointments, so a start in January also achieves a great deal by summer. The remaining sessions then continue with sun protection. The aim is a marked, long-term hair reduction, and individual hairs may grow back. For large areas a fast device saves time: the DEWEON 4LD works at up to 30 Hz with spots of up to 15 × 40 mm, the AlexDUAL UFO with spots of 10 to 40 mm.

Got a tan in the middle of laser hair removal: postpone the appointment or carry on?

With a fresh tan or sunburn the appointment is postponed, while with a light tan that has faded, treatment can continue with adjusted settings. A delay of a few weeks does not harm the course, the hairs merely grow back a little. Once the skin has settled again 2 to 4 weeks after sun exposure, the studio selects a longer wavelength, longer pulses and more cooling. Of the common wavelengths, light at 1064 nm is absorbed least by the epidermis and still reaches the hair root. Areas that were covered, such as the underarms or bikini line, continue according to plan anyway. For this purpose the AlexDUAL UFO offers, alongside the alexandrite laser at 755 nm, the Nd:YAG laser at 1064 nm. The DEWEON 4LD has 1064 nm on board as one of its four wavelengths.

How long before laser treatment do you need to avoid self-tanner, spray tans and tinted creams?

You should avoid self-tanner and spray tans for at least 2 weeks before the appointment, and before a light treatment more like 4 weeks. Self-tanner stains the stratum corneum, and this dye absorbs light in a similar way to a real tan. The laser cannot tell the two apart, and the energy ends up at the surface instead of in the hair or the pigment spot. Residues on the knees, ankles and in skin folds persist particularly long, and exfoliating a few days beforehand helps. Tinted day cream, bronzer and make-up are removed completely on the day of the session. A sunbed tan, by contrast, counts as sun, and here an interval of 2 to 4 weeks applies. This applies to hair removal with the DEWEON 4LD and the AlexDUAL UFO as well as to light treatments with the DERMAFORCE BBL PRO, for which an interval of 4 weeks is usual.

Should pigment spots and melasma be lasered in summer, or is it better to wait until autumn?

Better to wait: autumn and winter are the right time for pigment treatments, and this is especially true of melasma. The treatment removes existing pigment, while the summer sun constantly stimulates new pigment. Freshly treated skin also reacts quickly to UV light and heat with new, darker pigment spots. Anyone who has laser treatment in July and lies on the beach in August loses the result or makes it worse. What makes sense in summer is preparation: sun protection factor 50 every day, a skin analysis and a fixed start date for September or October. The Skin Analyzer Pro also images the skin under UV light and assesses the pigment. The course itself then runs with the TULIX, which lists melasma and pigment among its applications. For sun spots on fair skin the DERMAFORCE BBL PRO is also an option, whereas for melasma broadband light is usually the wrong choice.

Can you have CO2 laser treatment in summer, or is a non-ablative laser the better choice?

The ablative CO2 laser belongs in autumn and winter, and in summer a non-ablative fractional laser is by far the simpler choice. After the CO2 laser the skin surface needs 1 to 2 weeks to heal and then remains pink and very photosensitive for weeks. Direct sun is off limits for at least 4 weeks, and sun protection factor 50 is mandatory for at least 3 months. That is hardly sustainable in midsummer. A non-ablative laser leaves the surface intact, and the skin merely flakes for a few days. Untanned skin and consistent protection remain prerequisites. According to SIACSKIN, the healing time with the FRACO CO2 XL is 10 to 14 days, and in CoolPeel mode 3 to 4 days, which makes planning easier in the transitional months. For summer, the TULIX with 1927 and 1550 nm is the suitable alternative.

Why is RF microneedling possible even in summer and on tanned skin?

Because radiofrequency does not act via pigment: it heats the tissue through its electrical resistance, and melanin plays no part in this. The needles deliver the energy in the dermis, and the epidermis with its pigment cells is merely punctured. A light tan is therefore no obstacle, and the treatment runs all year round. Two restrictions remain. Sunburnt skin is not treated, and in the first few days afterwards the skin needs protection, because the fine punctures and the redness can react to UV light with pigment spots. The EUPHEUS V works with gold-plated, insulated needles that release the heat only beneath the epidermis. With the EUPHEUS M8 the depth is set in 0.1 mm increments up to 7 mm. Both are therefore the colour-independent option for the summer months.

Can you have a tattoo lasered in summer, and what applies to tanned skin?

Yes, if the area is untanned and stays consistently covered afterwards, otherwise autumn is the better time. The laser targets the tattoo ink but on its way there hits the melanin of the epidermis. With a tan, the risk of light patches in the shape of the tattoo increases, especially at 532 nm for red and orange inks. After the session the area needs 1 to 2 weeks to heal and during this time tolerates neither swimming pool nor sea. Direct sun remains off limits for 4 to 6 weeks, and the back and upper arm are easier to cover for this than the forearm or ankle. For dark inks, the PICOLO XL, the PICOLO L and the PICOLO S work at 1064 nm, which is absorbed comparatively little by skin pigment. The KYROMASTER cools the area with cold air during the procedure.

When is the right time after summer for BBL to treat sun damage?

About 4 weeks after the last time you sunbathed, once the tan has faded, so usually from the end of September or October. That is when it becomes apparent what remains of the summer: new pigment spots, fine thread veins, an uneven skin tone. On untanned skin the pigment of the spots stands out clearly from its surroundings, the light hits its target more precisely and the treatment becomes safer. The usual course is 3 to 5 sessions at intervals of 3 to 4 weeks, so the course is completed before spring. The DERMAFORCE BBL PRO treats sun damage, hyperpigmentation and redness with 400 to 800 nm and nine filters and is intended for skin types I to IV. The Skin Analyzer Pro documents the baseline condition and the progress in a before-and-after comparison.

What sun protection is needed after laser treatment, and for how long?

What is needed is broad-spectrum protection with sun protection factor 50, daily and, depending on the treatment, for weeks to months. After hair removal, 2 weeks of consistent protection are usually enough, after BBL and pigment treatment 4 weeks, and after an ablative CO2 laser at least 3 months. Apply generously and reapply every 2 hours when outdoors, and immediately after sweating and bathing. On freshly treated skin, fragrance-free, low-irritant products are the better choice. A hat, shade and clothing protect more reliably than any cream. With melasma, tinted protection is a permanent part of the routine. For aftercare, SIACSKIN offers the Suncream Sensitiv SPF50. After the FRACO CO2 XL and the TULIX it is a fixed part of the care plan, and the individual steps are set out in the aftercare guide.

Learn more: Aftercare after laser & microneedling

Can you go swimming in a pool or the sea, or exercise, after laser treatment in summer?

Not in the first 24 to 48 hours after hair removal, and after treatments involving broken skin only once everything has healed. Chlorine, salt water and sweat irritate the warmed skin, and germs in the water can enter small wounds. After RF microneedling, swimming, sauna and sport are paused for at least 2 to 3 days, and after tattoo removal and CO2 laser for 1 to 2 weeks. Heat also prolongs redness and swelling, and on very hot days an evening appointment helps. Loose cotton clothing prevents friction on the treated areas. Thorough post-treatment cooling takes the heat out of the skin straight after the session. The KYROMASTER cools with cold air down to minus 50 °C and is suitable for diode, alexandrite, CO2 and picosecond lasers and for RF microneedling.

Learn more: Aftercare after laser & microneedling

How many weeks before a beach holiday should your last laser treatment be?

As a rule of thumb: 2 weeks for hair removal, 4 weeks for BBL and pigment treatment, 6 to 8 weeks for the ablative CO2 laser. That is how long the skin remains particularly photosensitive, and how long it takes for redness and flaking to have reliably subsided. After RF microneedling about 1 week is sufficient, and after a non-ablative laser 2 weeks are sensible, in each case with sun protection factor 50 on holiday. A tattoo site should be completely healed and stay covered on the beach. Anyone planning on a tight schedule should put off the session rather than the sun protection. With the EUPHEUS M8, appointments can be scheduled closest to the holiday, followed by the TULIX. According to SIACSKIN, the FRACO CO2 XL shortens healing in CoolPeel mode to 3 to 4 days, but the interval before sun exposure remains necessary.

After the summer holiday: which treatment can you restart first, and which has to wait?

RF microneedling is possible again first, followed by hair removal and non-ablative laser, and lastly light and pigment treatments. Radiofrequency does not depend on melanin and can go ahead as soon as there is no longer any sunburn. Hair removal usually starts 2 to 4 weeks after your return, and earlier on areas that were covered. BBL and pigment lasers wait at least 4 weeks, until the tan has visibly faded, because they themselves target melanin. The decisive factor is always the skin: not reddened, not flaking, not freshly tanned. For tightening straight after the holiday, the EUPHEUS M8 is the suitable choice. On skin that is still slightly tanned, the AlexDUAL UFO offers the Nd:YAG laser at 1064 nm, and the DEWEON 4LD adjusts wavelength and energy via its AI skin analyser.

How does a laser studio plan its treatment year by season?

A studio schedules melanin-dependent and ablative treatments in autumn and winter and fills the summer with colour-independent procedures and maintenance. Hair removal courses and pigment treatments start in September, and from November to February it is peak season for CO2 laser and tattoo removal. In spring, tightening courses run ahead of the swimming season. In summer, RF microneedling, carbon peel, top-up sessions on covered areas and the sale of sunscreen carry the revenue. Anyone who sells packages for the autumn in July starts with a full diary. A range of devices that reflects this: the DEWEON 4LD or the AlexDUAL UFO for hair removal, the FRACO CO2 XL for the winter and the EUPHEUS M8 for the whole year. How utilisation affects earnings can be worked through in the price calculator.

Learn more: Price calculator

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