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The Process of Photo Rejuvenation

Photo rejuvenation is performed by gently delivering light energy to specific areas through a special hand-piece. These specific areas then absorb this light energy and the production of collagen is stimulated. Collagen helps soften the appearance of aging skin. As the collagen forms, the fine lines and wrinkles in the targeted areas are decreased.

Photo rejuvenation can even reduce the redness associated with rosacea (a chronic form of acne). The procedures take only 15 to 30 minutes at the doctor’s office, depending on the amount of areas that need to be treated. So an individual can take their lunch break, have their treatment done, and come back looking younger and healthier.


Removing Age Spots


Since selective photothermolysis is based on the absorption of light by target chromophores, it is necessary to choose the most appropriate chromophore for the application being applied and the desired outcome. Then apply the optimal wavelength spectrum and pulse duration for that chromophore. When removing age spots for example, the targeted chromophore is melanin, while in the case of vascular lesions the most chromophore is hemoglobin. Given that both melanin and hemoglobin absorb light energy in the visible spectrum. This allows for effective coagulation of the target while optimizing safety by completely avoiding the UV exposure present in lower wavelengths.



Improving Skin Texture

As mentioned above, effect on skin texture is based on the stimulation of new collagen growth that will help replenish and even out the shrunken dermis layer.


Near and mid infrared wavelengths (700 and above) are directly absorbed by intra and extra cellular water. The resulting mild thermal insult to the papillary and upper reticular dermis leads to fibroblast activation. Fibroblasts are the cells of connective tissue responsible for making the collagen and elastin fibre cells found in the connective tissue of the dermis.

The creation of new collagen and connective material caused by the thermal insult and subsequent fibroblast activation occurs over a period of a few weeks to a few months. This wound healing response leads to improvement in skin texture and the smoothing of fine lines that has been shown to hold up over several years if patients use proper sun protection.


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