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Dermatol Surg. 2012 Apr;38(4):623-30. doi: 10.1111/j.1524-4725.2011.02280.x. Epub 2012 Jan 30.

Platelet-rich plasma combined with fractional laser therapy for skin rejuvenation.

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Department of Dermatology, College of Medicine, Kyung Hee University, Seoul, Korea.



Platelet-rich plasma (PRP) is an autologous concentration of human platelets contained in a small volume of plasma and has recently been shown to accelerate wound healing and rejuvenate aging skin. The current study was conducted to determine whether there are additional effects of PRP combined with fractional laser therapy.


Twenty-two Korean women underwent three sessions of fractional laser; 11 were treated with topical application of PRP combined with fractional laser. Evaluations were done at baseline and 1 month after the final treatment. The outcome assessments included subjective satisfaction scale; blinded clinical assessment; and the biophysical parameters of roughness, elasticity, skin hydration, and the erythema and melanin index. Biopsies were analyzed using hematoxylin and eosin, Masson-trichrome, and immunohistochemistry for matrix metalloproteinase-1.


PRP combined with fractional laser increased subject satisfaction and skin elasticity and decreased the erythema index. PRP increased the length of the dermoepidermal junction, the amount of collagen, and the number of fibroblasts.


PRP with fractional laser treatment is a good combination therapy for skin rejuvenation. Keratinocyte and fibroblast proliferation and collagen production can explain the capacity of PRP to increase dermal elasticity.

[Indexed for MEDLINE]

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