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Intense Pulsed Light (IPL)

The STFLASH4® system, designed for professionals in the aesthetic sector, is a part of the latest generation of pulsed light devices, with a maximum power of 30 J/cm², over a surface of 8.25cm².

Thanks to its technology, the STFLASH4 device delivers the same energy over the whole surface of the optical guide. A single blast of flashes is necessary for a permanent result, and the ease of use of this device is unmatched in the market.

Handpiece and filtrations

This new generation of devices offers:

  • A global innovation: the EASYLAMP, the only water cooled lamp cartridge, replaceable directly by the operator in less than 10 seconds, which enables the user to avoid the immobilisation of the device and the intervention of a technician. Maintenance is therefore simplified for the user.
  • Optical guides of 8,25 cm² and 2,25 cm², that are interchangeable in only 5 seconds.
  • 3 filtrations for a single handpiece allowing you to perform 3 different treatments.
  • Reflective filters avoid the heating of the optical guide filter or the skin.
  • EASYLAMP® Lamp Cartridge® max. 80 000 flashes
Generator and software

This new generation of pulsed light devices includes:

  • Power of up to 30 J/cm² to obtain meaningful results.
  • Water cooling allows the endurance of the device and a safe treatment.
  • A train of pulses provides more comfort and safety in the treatment of dark and tanned skin, up to phototype VI.
  • A square pulse, for immediately available controlled power, with a guarantee of effective and lasting results.
  • Balanced pulses for smooth power delivery.
  • SD card for remote updates, personalized user profile management, an event log and remote maintenance.
French manufacturing and international certifications

For the STFLASH system DERMEO has passed the inspections and audits of the CE and tests the electromagnetic compatibility and the electrical compliance.

The device is designed and manufactured in France.

Product Information

The STFLASH4® system, designed for professionals in the aesthetic sector, is a part of the latest generation of pulsed light devices, with a maximum power of 30 J/cm², over a surface of 8.25cm².

Thanks to its technology, the STFLASH4 device delivers the same energy over the whole surface of the optical guide. A single blast of flashes is necessary for a permanent result, and the ease of use of this device is unmatched in the market.

The STFLASH4® device enables the operator to treat:

  • Hair removal on light skin
  • Hair removal on dark skin
  • Rejuvenation

It’s efficiency and innocuousness have been proven by dermatologists’ feedback and by a clinical study carried out on voluntary patients of the PITIE SALPETRIERE hospital in Paris. The STFLASH4® system offers a level of comfort for the user which is unique on the market.

The technology of pulsed light is based on the selective photothermolysis principle (photo: light, thermo: heat, lysis: destruction, selective: targeted). It transforms electrical energy into intense bursts of radiant energy through a lamp containing a noble gas, xenon. The resulting radiation is a bright flash of high intensity, which covers a spectrum of wavelengths ranging from visible light to close infrareds (spectrum band from 420 nm to 1200 nm). The polychromatic light is absorbed by chromophores (melanin, oxyhemoglobin, porphyrin, water), which are pigments absorbing light and reacting to the photothermal effect. This is the phenomenon that leads to the cell’s destruction or modification. With the cooling water running through the lamp, the infrared light is absorbed, the heat is dissipated and therefore is not transmitted to the skin. It is only the chromophore that is targeted by the light, so there is no risk of burns.

Various filtrations are available depending on the targeted chromophore (porphyrin, oxyhemoglobin, melanin, water) and the desired application.

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Principle

IPL operates according to pulses ; emmission as a train of pulses can cut a bright flash in several pulses in order to distribute energy. The time between each pulse corresponds to the Thermal Relaxation Time (TRT) and thus allows the skin to dissipate heat. To achieve results, maximum energy is needed.

schema-train-of-pulse

The balancing of pulses provides the same energy density from the first to the last pulse.

Another feature of the pulses is their “square form” also called a “Simmer”, it allows us to  immediately reach the energy level required and maintain this level.

schema-simmer-en

Product Images

IPL  MDFlash  HandPiece
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Treatments

The accumulation of exposure to the sun, smoking, general pollution and aging are accompanied by age related distortion of the structural components of the skin. Fibroblasts, which are one of the main types of cells found in the connective tissue of the dermis, are responsible for the renewal of collagen and elastin. The natural production of collagen starts to decrease from the age of 25 and it further declines from the age of 40. It is important to stimulate cell renewal to prevent the skin from aging in order to take anti-aging action. Intense pulsed light emits the flash of pulsed light at a wavelength of 535nm allowing the stimulation of fibroblast cells. This thermal denaturation of collagen induces neo-collagenesis ; the inflammatory response that results from heating the skin creates a cascade of reactions leading to the synthesis of collagen.

Using IPL for skin rejuvenation stimulates the production of collagen and elastin. There is also an improvement in skin elasticity, reduced pore size and a reduction in fine lines. The skin is radiant and toned, the face is reshaped and the skin texture is improved. The results are visible from the first session.

Protocol

Treatment time: 4 – 5 sessions are necessary at intervals of 2 to 3 weeks between sessions.
SR : 535 – 1200 nm

Proven Results

According to our clinical study conducted by the Group for Research and Evaluation in Dermatology and Cosmetology (GREDECO) on volunteers recruited from the Hospital Pitié-Salpêtrière in Paris, the subjects who carried out a rejuvenation treatment had very satisfactory results; the depth of wrinkles were reduced, the skin tone and complexion improved and pores were tightened.

The hair is mainly composed of keratinocytes that synthesize keratin, and melanocytes which are responsible for the production of melanin. In photo-depilation, intense pulsed light is absorbed by the melanin (coloured pigment) contained in the hair. This is then channeled to the “root” (hair shaft, hair follicle, epithelium and matrix). When the light meets a chromophore, it is converted into heat; the thermal effect destroys the germ cells responsible for hair growth. These are located approximately 4-6mm under the skin.  Hair acts as a conductor of energy to these cells, therefore, the hair must be in the “anagen” phase (phase at which the bulb and the hair shaft are attached to the root). Dark skin contains a higher concentration of melanin. From the cornea layer, the skin can act as a competitive chromophore when targeting the melanin in the hair. The specific filtration for dark skin (phototype IV, V and the begining of VI) promotes the absorption of the pulsed light by melanin contained in a hair anchored in tissue, and thus leads to a high level of effiency of the treatments. A specific filtration is necessary up to 690 nanometres, and is limited in exposure using a range of wavelengths from 420 to 690nm which allows the destruction of the bulb, while preserving the skin.

Protocol

Treatment time: 8 – 10 sessions are necessary with regular intervals of around 4 to 6 weeks according to the area treated.
DS: 690nm – 1200nm for dark skin.

Proven Results

According to our clinical study conducted by the Group for Research and Evaluation in Dermatology and Cosmetology (GREDECO) on volunteers recruited from the Hospital Pitié-Salpêtrière in Paris, the subjects who completed treatment for hair removal on dark skin showed very satisfactory results with an excellent tolerance level.

The hair is mainly composed of keratinocytes that synthesize keratin, and melanocytes which are responsible for the production of melanin. In photo-depilation, intense pulsed light is absorbed by the melanin (coloured pigment) contained in the hair. This is then channeled to the “root” (hair shaft, hair follicle, epithelium and matrix). When the light meets a chromophore, it is converted into heat; the thermal effect destroys the germ cells responsible for hair growth. These are located approximately 4-6mm under the skin.  Hair acts as a conductor of energy to these cells, therefore, the hair must be in the “anagen” phase (phase at which the bulb and the hair shaft are attached to the root). Light skin contains a small amount of melanin but by using a wavelength of 620-1200nm the melanin in the hair absorbs the light. Multipulse is an important parameter that reflects the TRT (Thermal Relaxation Time) of the skin which is relative to the target chromophore which avoids the risk of burns caused by single flashes that are too long.

Protocol

Treatment time: 8 to 10 sessions are required at interval of about 4 to 6 weeks depending on the zone treated.HR: 620 – 1200 nm

Proven Results

According to our clinical study conducted by the Group for Research and Evaluation in Dermatology and Cosmetology (GREDECO), on volunteers recruited from the Hospital Pitié-Salpêtrière in Paris, the subjects who completed treatment for hair removal showed excellent results: 80% of hair treated was gone after 2 or 3 sessions.

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