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1.
J Cosmet Laser Ther ; 12(1): 14-20, 2010 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-20085451

RESUMO

A 3-month, open-label, single-center study was conducted to determine whether a uniquely formulated and physiologically balanced topical treatment serum containing multiple growth factors, cytokines, peptides, antioxidants and depigmenting agents could improve the visible signs of facial photodamage. Thirty-seven females, aged 32-55 years, with mild to severe, fine and coarse peri-ocular wrinkles were enrolled and completed the study. Subjects applied the treatment serum to the face twice daily for 3 months in conjunction with a basic skincare regimen. Clinical evaluations of photodamage were performed at baseline and months 1, 2 and 3. Cutometer measurements and subject self-assessment questionnaires were also conducted during the study. Clinical evaluations showed statistically significant reductions in fine wrinkles and coarse wrinkles and improvements in skin texture, tone and radiance starting at month 1 with continued improvements at months 2 and 3. Cutometer readings showed decreased skin extensibility and increased resiliency. Subject self-assessments confirmed that the beneficial effects of the treatment serum were readily observed by the users. The treatment serum was well-tolerated with no treatment-related adverse events reported during the 3-month study. Use of this novel treatment serum produced significant improvements in the visible signs of facial photodamage.


Assuntos
Antioxidantes/uso terapêutico , Peptídeos e Proteínas de Sinalização Intercelular/uso terapêutico , Envelhecimento da Pele/efeitos dos fármacos , Administração Cutânea , Adulto , Antioxidantes/administração & dosagem , Feminino , Humanos , Peptídeos e Proteínas de Sinalização Intercelular/administração & dosagem , Pessoa de Meia-Idade , Satisfação do Paciente
2.
J Drugs Dermatol ; 8(5 Suppl Skin Rejuenation): 4-13, 2009 May.
Artigo em Inglês | MEDLINE | ID: mdl-19562882

RESUMO

Synergistic interaction of multiple growth factors (GF) in skin controls the processes that promote skin repair. GFs have been shown to affect different pathways of skin repair and rejuvenation with many GFs working in close cooperation with one another and with other endogenous agents. Intrinsic and extrinsic aging of skin reduces both the levels of natural GFs and the number and activity of fibroblasts. Supplementing skin's endogenous GFs may enhance natural repair processes and accelerate the reversal of damage caused by intrinsic and extrinsic skin aging. In spite of their large molecular weight, evidence suggests that a small fraction of topically applied GFs penetrating into superficial epidermis can elicit a fibroblast-mediated response in the dermis. GF mixture secreted by human fibroblasts grown in conditions resembling the physiological condition of dermis, and present at high concentrations in a stable formula is most likely to provide an ideal cosmeceutical product. This naturally balanced mixture is also likely to contain other important, but as yet unidentified, substances that affect skin healing. Such a complex mixture cannot be reproduced using synthetic substances. Clinical studies have shown that topical application of products containing high concentrations of a physiologically balanced mixture of GF appears to reverse the signs of skin aging. A synergistic combination of antioxidants, matrix building agents and skin conditioners with physiologically balanced GF provides a novel and comprehensive paradigm of skin rejuvenation.


Assuntos
Peptídeos e Proteínas de Sinalização Intercelular/farmacologia , Rejuvenescimento , Envelhecimento da Pele/efeitos dos fármacos , Administração Tópica , Combinação de Medicamentos , Humanos , Peptídeos e Proteínas de Sinalização Intercelular/administração & dosagem , Envelhecimento da Pele/patologia , Envelhecimento da Pele/fisiologia
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