There are many non-invasive cosmetic procedures performed to rejuvenate the appearance of the skin. Two of the popular procedures are chemical peel and pdt photodynamic therapy . Chemical peels are classified as superficial, medium, and deep peels. Chemical...

Photodynamic Therapy (PDT) has proven to be an excellent treatment for acne and rosacea. PDT uses a medication called Levulan (aminolevulinic acid) and a light source such as red or blue light to activate the medication. photodynamic therapy usually takes...