KMID : 0604520120380040321
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Journal of the Society of Cosmetic Scientists of Korea 2012 Volume.38 No. 4 p.321 ~ p.326
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The Efficacy of Oral Low Molecular Weight Collagen Peptide for Skin Recovery after Fractional Photothermolysis Laser Treatment
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Kim In-Su
Choi Sun-Young Kim Byung-Gyu Kim Jeong-Kee Kim Eun-Joo Kim Beom-Joon Kim Myeung-Nam
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Abstract
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Recent studies have revealed that collagen peptide plays a protective role on skin by improving the activity of antioxidants and acts as an inducer of skin regeneration. To evaluate the efficacy of low molecular weight collagen peptide for skin recovery after non-ablative 1550 nm fractional photothermolysis laser. 10 volunteers were randomly divided into two groups. Both control and experimental groups received fractional photothermolysis treatment. In the experimental group, 5 subjects received oral collagen peptide 1,000 mg/day for 8 weeks. Before and after the treatment, we measured elastic recovery of skin, transepidermal water loss (TEWL) and erythema index (EI) for each patients. The evaluation of clinical results showed that elastic recovery of skin is higher in the experimental group than the control group (p < 0.05). TEWL have no significancy between two groups and erythema rapidly disappeared in the experimental group. On the quartile grading scale, the mean patient satisfaction 4 weeks after the fractional photothermolysis treatment was 2.0 in experimental group and 1.2 in control group. The low molecular weight collagen peptide appears to be an effective conservative therapy for skin recovery after non-ablative 1550 nm fractional photothermolysis treatment.
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KEYWORD
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collagen peptide, fractional phtothermolysis, skin recovery
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