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Tsai YW, Cheng CY, Hu S, Chang SL, Lin TM, Huang YL. Platelet-Rich Plasma Versus Platelet-Poor Plasma for Treating Facial Photoaging: a Double-Blind Randomized Controlled Splitting Face Study. Aesthetic Plast Surg 2024; 48:2162-2170. [PMID: 38253883 DOI: 10.1007/s00266-023-03822-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 12/14/2023] [Indexed: 01/24/2024]
Abstract
BACKGROUND As the demand for non-invasive esthetic procedures to maintain a youthful appearance increases, there has been growing interest in the use of autologous platelet-rich plasma (PRP) and platelet-poor plasma (PPP) for the treatment of facial aging. However, there are few studies directly comparing the efficacy of PRP and PPP for facial rejuvenation. OBJECTIVES This study aimed to compare the efficacy of PRP and PPP for facial rejuvenation. METHODS This single-center, double-blind, randomized controlled trial was conducted from January 1, 2022, to July 31, 2022, and included ten participants who completed the follow-up. The participants were randomly assigned to receive 2.5-mL injections of PRP and PPP on different sides of the face in three sessions with 1-month intervals. The outcome was primarily determined by blinded photographic assessments and secondly by scores of the VISIA® system during the follow-up. RESULTS Both PRP and PPP treatments resulted in significant improvement in the Global Aesthetic Improvement Scales and Modified Fitzpatrick Wrinkle Scale for periocular Powered by Editorial Manager® and ProduXion Manager® from Aries Systems Corporation wrinkles, with no significant difference between the two groups. However, no improvement was observed in the Wrinkle Severity Rating Scales for nasolabial folds in either the PRP- or PPP-treated groups. Furthermore, no severe adverse events were reported. CONCLUSIONS Both PRP and PPP are effective in treating facial photoaging. PRP exhibited slightly superior efficacy in enhancing overall skin condition, while PPP was slightly more effective in improving shallow wrinkles. This study provides valuable evidence for the use of PRP and PPP in facial rejuvenation procedures. LEVEL OF EVIDENCE I This journal requires that authors assign a level of evidence to each submission to which Evidence-Based Medicine rankings are applicable. This excludes Review Articles, Book Reviews, and manuscripts that concern Basic Science, Animal Studies, Cadaver Studies, and Experimental Studies. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Affiliation(s)
- Ya-Wen Tsai
- Department of Dermatology, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Chun-Yu Cheng
- Department of Dermatology, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan
- Department of Cosmetic Science, Chang Gung University of Science and Technology, Taoyuan, Taiwan
- Center of Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Sindy Hu
- Department of Dermatology, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan
- Department of Cosmetic Science, Chang Gung University of Science and Technology, Taoyuan, Taiwan
- Department of Dermatology, Vein Clinic, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Shyue-Luen Chang
- Department of Dermatology, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan
- Department of Cosmetic Science, Chang Gung University of Science and Technology, Taoyuan, Taiwan
- Department of Dermatology, Vein Clinic, Chang Gung Memorial Hospital, Taoyuan, Taiwan
- Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Tsai-Ming Lin
- Charming Institute of Esthetic and Regenerative Surgery (CIARS), Kaohsiung City, Taiwan
- Department of Plastic Surgery, Kaohsiung Medical University, Kaohsiung city, Taiwan
| | - Yau-Li Huang
- Department of Dermatology, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan.
- Department of Cosmetic Science, Chang Gung University of Science and Technology, Taoyuan, Taiwan.
- Department of Dermatology, Vein Clinic, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
- Chang Gung University College of Medicine, Taoyuan, Taiwan.
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Neiva-Sousa M, Carracha C, Nunes da Silva L, Valejo Coelho P. Does Platelet-Rich Plasma Promote Facial Rejuvenation? Revising the Latest Evidence in a Narrative Review. J Cutan Aesthet Surg 2023; 16:263-269. [PMID: 38314356 PMCID: PMC10833488 DOI: 10.4103/jcas.jcas_210_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2024] Open
Abstract
Facial aging is characterized by progressive macroscopic, histological, and molecular changes. Due to its regenerative and rejuvenating properties, the use of platelet-rich plasma (PRP) as a facial antiaging agent has gained popularity over the last decade. In order to gather and evaluate the latest evidence focusing on the effect of PRP on facial skin rejuvenating, a search through MEDLINE (PubMed) using relevant keywords, inclusion, and exclusion criteria was performed. A total of 539 articles were initially retrieved, and from those, 16 were included in the review. Treatment protocols comprised the use of PRP both in monotherapy and in combination with other substances and by means of direct injection or topical application following skin permeation. The selected studies presented high variability regarding PRP preparation methods, administration protocols, and results assessment. In most studies, PRP seemed to improve to some degree the signs of facial aging, such has wrinkles, skin quality, and pigmentation, accompanied by significant histological and molecular responses. Optimizing treatment protocols should be the next step in assessing the full potential of PRP.
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Affiliation(s)
| | - Clara Carracha
- Department of Maxillofacial Surgery, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal
| | - Luis Nunes da Silva
- Department of Maxillofacial Surgery, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal
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Troha K, Vozel D, Arko M, Bedina Zavec A, Dolinar D, Hočevar M, Jan Z, Kisovec M, Kocjančič B, Pađen L, Pajnič M, Penič S, Romolo A, Repar N, Spasovski V, Steiner N, Šuštar V, Iglič A, Drobne D, Kogej K, Battelino S, Kralj-Iglič V. Autologous Platelet and Extracellular Vesicle-Rich Plasma as Therapeutic Fluid: A Review. Int J Mol Sci 2023; 24:3420. [PMID: 36834843 PMCID: PMC9959846 DOI: 10.3390/ijms24043420] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/24/2023] [Accepted: 01/30/2023] [Indexed: 02/11/2023] Open
Abstract
The preparation of autologous platelet and extracellular vesicle-rich plasma (PVRP) has been explored in many medical fields with the aim to benefit from its healing potential. In parallel, efforts are being invested to understand the function and dynamics of PVRP that is complex in its composition and interactions. Some clinical evidence reveals beneficial effects of PVRP, while some report that there were no effects. To optimize the preparation methods, functions and mechanisms of PVRP, its constituents should be better understood. With the intention to promote further studies of autologous therapeutic PVRP, we performed a review on some topics regarding PVRP composition, harvesting, assessment and preservation, and also on clinical experience following PVRP application in humans and animals. Besides the acknowledged actions of platelets, leukocytes and different molecules, we focus on extracellular vesicles that were found abundant in PVRP.
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Affiliation(s)
- Kaja Troha
- Department of Otorhinolaryngology and Cervicofacial Surgery, University Medical Centre Ljubljana, SI-1000 Ljubljana, Slovenia
| | - Domen Vozel
- Department of Otorhinolaryngology and Cervicofacial Surgery, University Medical Centre Ljubljana, SI-1000 Ljubljana, Slovenia
- University of Ljubljana, Faculty of Medicine, SI-1000 Ljubljana, Slovenia
| | - Matevž Arko
- University of Ljubljana, Laboratory of Clinical Biophysics, Faculty of Health Sciences, SI-1000 Ljubljana, Slovenia
| | - Apolonija Bedina Zavec
- Department of Molecular Biology and Nanobiotechnology, National Institute of Chemistry, SI-1000 Ljubjana, Slovenia
| | - Drago Dolinar
- Department of Orthopedic Surgery, University Medical Centre, Zaloška 9, SI-1000 Ljubljana, Slovenia
- MD-RI Institute for Materials Research in Medicine, Bohoričeva 5, SI-1000 Ljubljana, Slovenia
| | - Matej Hočevar
- Department of Physics and Chemistry of Materials, Institute of Metals and Technology, SI-1000 Ljubljana, Slovenia
| | - Zala Jan
- University of Ljubljana, Laboratory of Clinical Biophysics, Faculty of Health Sciences, SI-1000 Ljubljana, Slovenia
| | - Matic Kisovec
- Department of Molecular Biology and Nanobiotechnology, National Institute of Chemistry, SI-1000 Ljubjana, Slovenia
| | - Boštjan Kocjančič
- Department of Orthopedic Surgery, University Medical Centre, Zaloška 9, SI-1000 Ljubljana, Slovenia
| | - Ljubiša Pađen
- University of Ljubljana, Laboratory of Clinical Biophysics, Faculty of Health Sciences, SI-1000 Ljubljana, Slovenia
| | - Manca Pajnič
- University of Ljubljana, Laboratory of Clinical Biophysics, Faculty of Health Sciences, SI-1000 Ljubljana, Slovenia
| | - Samo Penič
- University of Ljubljana, Laboratory of Physics, Faculty of Electrical Engineering, SI-1000 Ljubljana, Slovenia
| | - Anna Romolo
- University of Ljubljana, Laboratory of Clinical Biophysics, Faculty of Health Sciences, SI-1000 Ljubljana, Slovenia
- University of Ljubljana, Laboratory of Physics, Faculty of Electrical Engineering, SI-1000 Ljubljana, Slovenia
| | - Neža Repar
- University of Ljubljana, Research Group for Nanobiology and Nanotoxicology, Biotechnical Faculty, SI-1000 Ljubljana, Slovenia
| | - Vesna Spasovski
- University of Ljubljana, Laboratory of Clinical Biophysics, Faculty of Health Sciences, SI-1000 Ljubljana, Slovenia
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 11000 Belgrade, Serbia
| | - Nejc Steiner
- Department of Otorhinolaryngology and Cervicofacial Surgery, University Medical Centre Ljubljana, SI-1000 Ljubljana, Slovenia
| | - Vid Šuštar
- University of Ljubljana, Laboratory of Clinical Biophysics, Faculty of Health Sciences, SI-1000 Ljubljana, Slovenia
| | - Aleš Iglič
- University of Ljubljana, Laboratory of Physics, Faculty of Electrical Engineering, SI-1000 Ljubljana, Slovenia
- University of Ljubljana, Laboratory of Clinical Biophysics, Faculty of Medicine, SI-1000 Ljubljana, Slovenia
| | - Damjana Drobne
- University of Ljubljana, Research Group for Nanobiology and Nanotoxicology, Biotechnical Faculty, SI-1000 Ljubljana, Slovenia
| | - Ksenija Kogej
- University of Ljubljana, Chair of Physical Chemistry, Faculty of Chemistry and Chemical Technology, SI-1000 Ljubljana, Slovenia
| | - Saba Battelino
- Department of Otorhinolaryngology and Cervicofacial Surgery, University Medical Centre Ljubljana, SI-1000 Ljubljana, Slovenia
- University of Ljubljana, Faculty of Medicine, SI-1000 Ljubljana, Slovenia
| | - Veronika Kralj-Iglič
- University of Ljubljana, Laboratory of Clinical Biophysics, Faculty of Health Sciences, SI-1000 Ljubljana, Slovenia
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Tear Trough Ligament Release and Autologous Fat Injection as a New Method for Tear Trough Deformity Correction. Aesthetic Plast Surg 2022; 46:2814-2822. [PMID: 35857083 DOI: 10.1007/s00266-022-03002-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 06/20/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND Even though the tear trough (TT) deformity is only 2 cm in length, it can give a worn, even haggard appearance on the face. The authors developed a novel approach and presented findings from the clinical effect. METHODS Between February 2018 and January 2021, the medical records of patients treated with autologous fat injection for TT deformity were researched. The fat was placed under the orbicularis oculi muscle with a sharp cannula. During that period, the TT ligament was also released with the cannula. After the fat was injected entirely, we still needed to repeatedly puncture this ligament to release it until there was no puncture resistance. Improvement was evaluated by measuring patients' and investigators' global aesthetic improvement scale. RESULTS 152 of 173 patients completed the follow-up plan and were enrolled in this study. The most common complications reported were temporary swelling and lumpiness. At 1 month, 3 months, 6 months, 12 months, and 24 months, the satisfaction rate of patient self-assessment was 93.4%, 89.5%, 86.8%, 84.3%, and 82.4%, respectively. The Investigator Global Aesthetic Improvement Scale showed 94.1% of patients' improvement after one month, 83.6% after three months, 78.3% after six months, 75% after 12 months, and 71.8% after 24 months. CONCLUSION Fat injection based on TT ligament release to correct TT deformity is a novel, easy and effective treatment that deserves to be further used. LEVEL OF EVIDENCE IV This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Atiyeh B, Oneisi A, Ghieh F. Platelet-Rich Plasma Facial Rejuvenation: Myth or Reality? Aesthetic Plast Surg 2021; 45:2928-2938. [PMID: 33999221 DOI: 10.1007/s00266-021-02300-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 04/10/2021] [Indexed: 02/07/2023]
Abstract
Platelet-rich plasma (PRP) rejuvenation's efficacy has been reported by numerous uncontrolled clinical case studies of inconsistent quality rather than large randomized and placebo-controlled trials. It was suggested that PRP could be considered as a valid anti-aging and rejuvenation treatment modality. The current literature review summarizes available evidence so far described in the literature with special critical attention to higher quality comparative studies published over the last 10 years. The few studies that could be retrieved and included in this review documented less favorable results. So far, there is no international consensus on clinical PRP use for esthetic rejuvenation. Whether a mix of growth factors does in fact generate a clinically significant more youthful look and whether PRP injections result in comparable or better rejuvenation than what can be expected from other simpler non-surgical modalities. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these evidence-based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Affiliation(s)
- Bishara Atiyeh
- Division of Plastic and Reconstructive Surgery, American University of Beirut Medical Center, Beirut, Lebanon
| | - Ahmad Oneisi
- Division of Plastic and Reconstructive Surgery, American University of Beirut Medical Center, Beirut, Lebanon
| | - Fadi Ghieh
- Division of Plastic and Reconstructive Surgery, American University of Beirut Medical Center, Beirut, Lebanon.
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6
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Nanda S, Chauhan K, Shetty V, Dashore S, Bhatia S. Platelet-Rich Plasma in Aesthetics. Indian Dermatol Online J 2021; 12:S41-S54. [PMID: 34976880 PMCID: PMC8664171 DOI: 10.4103/idoj.idoj_290_21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 08/30/2021] [Accepted: 09/09/2021] [Indexed: 12/12/2022] Open
Abstract
Platelet-rich plasma (PRP) is being used as a treatment modality for skin rejuvenation since the last decade. There has been a lot of ambiguity regarding the ideal protocol to be followed and the specific indications where its use should be promoted. The use of PRP as monotherapy for skin rejuvenation, acne scars, periorbital rejuvenation, lipofilling and in combination with fractional CO2 and other resurfacing modalities is increasing rapidly. In this article, we have reviewed the current scientific evidence available and the IADVL national task force for PRP has come up with standard recommendations for use of PRP in esthetics along with the grade of evidence and strength of recommendation for each indication. The aim of this review is to provide a standard protocol for use of PRP in esthetics, for clinicians and academicians, leading to excellent results with this promising treatment modality.
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Affiliation(s)
- Soni Nanda
- Consultant Dermatologist, Shine and Smile Skin Clinic, Delhi, India
| | | | - Vinma Shetty
- Professor in Dermatology, AJ Institute of Medical Sciences, Mangalore, Sparsh Clinic, Mangalore, Karnataka, India
| | - Shuken Dashore
- Consultant Dermatologist, Dr Dashore's DHL Centre, Vijay Nagar, Indore, MP, India
| | - Satish Bhatia
- Dermatologist and Skin Surgeon, Indian Cancer Society, Maharishi Karve Marg, Mumbai, Maharashtra, India
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Gad SES, Neinaa YMEH, Rizk OK, Ghaly NESR. Efficacy of platelet-poor plasma gel in combination with fractional CO 2 laser in striae distensae: A clinical, histological, and immunohistochemical study. J Cosmet Dermatol 2021; 20:3236-3244. [PMID: 33764613 DOI: 10.1111/jocd.14102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/12/2021] [Accepted: 03/18/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Platelet-poor plasma gel is a semi-solid plasma formulation that recently recommended as autologous bio-filler for treatment of atrophic dermal scars. AIM To compare the therapeutic efficacy and safety of intradermal injection of plasma gel in combination with fractional CO2 laser versus fractional CO2 laser alone in striae distensae (SD). PATIENTS AND METHODS This study included 36 SD patients treated by three sessions (one session/1.5 months) of fractional CO2 laser on all SD lesions following intradermal injection of plasma gel on one side and saline (as placebo) on the other side. RESULTS Significant clinical improvements associated with remarkable narrowing of SD lesions and prominent enhancement of skin texture were observed on both treatment sides. Obviously, higher degrees of clinical improvements of SD lesions were reported following combined therapy with fractional CO2 laser and plasma gel rather than fractional CO2 laser monotherapy. However, post-inflammatory hyperpigmentation (PIH) was reported more frequently with fractional CO2 laser monotherapy. Histopathological and immunohistochemical examinations revealed significant epidermal improvement, and homogenization, and orientation of dermal collagen bundles as a result of both therapeutic procedures. CONCLUSION Plasma gel in combination with fractional CO2 laser could be considered a promising novel treatment modality for SD. Plasma gel not only improves the efficacy of fractional CO2 laser but also decreases the frequency of PIH.
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Affiliation(s)
- Samar El-Sayed Gad
- Dermatology and Venereology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Yomna Mazid El-Hamd Neinaa
- Dermatology and Venereology Department, Faculty of Medicine, Tanta University, Tanta, Egypt.,Dermatopathology Unit, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Omnia Kamel Rizk
- Pathology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
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Li J, Chen W, Shi X, Yu P. Comparison of the Effects of Repeated Applications of Platelet-Rich Plasma versus Platelet-Poor Plasma on Fat Graft Survival in Nude Mice. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6613783. [PMID: 33644228 PMCID: PMC7902144 DOI: 10.1155/2021/6613783] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/16/2021] [Accepted: 02/10/2021] [Indexed: 11/24/2022]
Abstract
Autologous fat grafting has been widely used for soft tissue filling in plastic surgery. Platelet-rich plasma (PRP) could play a wide role in health and disease because of containing a variety of growth factors and cytokines. Although previous studies have described the positive effect of autologous PRP mixed with fat grafts, only minimal improvements in fat graft survival have been reported. The present study is aimed at comparing the effects of PRP and platelet-poor plasma (PPP) on the survival and quality of fat grafting. We built a 180-day nude mouse model implanted with a fat graft supplemented with PRP, PPP, or saline, respectively. The above reagents (PRP, PPP, or saline) were injected two additional times after the initial engraftment. The survival ratio of the fat grafts and the capillary density in the PRP group were significantly higher than those in the PPP group and the saline group (control group) at 15, 30, 90, and 180 days posttransplantation (P < 0.05). The survival ratio of the PPP group was higher than that of the saline group (P < 0.05), but the capillary density in the PPP group was not significantly different from that in the saline group at any time point (P > 0.05). We hence conclude that the repeated application of PRP or PPP three times can enhance the survival of fat grafts within 180 days. Moreover, the effect of PRP is superior to that of PPP.
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Affiliation(s)
- Junjie Li
- Department of Aesthetic Plastic Surgery, Shanghai Eighth People's Hospital, Shanghai 200235, China
| | - Wei Chen
- Department of Aesthetic Plastic Surgery, Shanghai Eighth People's Hospital, Shanghai 200235, China
| | - Xiao Shi
- Department of Anesthesia, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Pijun Yu
- Department of Aesthetic Plastic Surgery, Shanghai Eighth People's Hospital, Shanghai 200235, China
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Zhao R, Qiu H, Liu S, Cao L, Yu D, Wang H. Quantifiable clinical efficacy of injectable porcine collagen for the treatment of structural dark circles. J Cosmet Dermatol 2021; 20:1520-1528. [PMID: 33544955 DOI: 10.1111/jocd.13982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/24/2021] [Accepted: 02/02/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND Dark circles are one of the most perplexing cosmetic problems for modern people. Nowadays, a new porcine collagen filler has been popular in China and many countries and has high safety. AIMS The purpose of this study is to explore and quantify the efficacy of this collagen filler in treating structured dark circles objectively and systematically. METHODS This is a prospective study. Twenty patients were included and took standard facial photographs at preoperative (Tp), immediately postoperative (T0), 1 week (T1), 2 weeks (T2), 4 weeks (T4), 8 weeks (T8), and 12 weeks (T12). The efficacy was quantified by measuring the depression of the tear trough and infraorbital melanin content. Three dermatologists blinded to the treatment were responsible for completing the subjective evaluations. RESULTS The depression volume, depression-affected area, and depression maximum depth of the tear trough decreased significantly immediately postoperation, and then all values increased slowly with time (P <.05). After 3-month observation, we found that the residual effect of the treatment is 45.08% ± 15.53% (T8) and 17.37% ± 16.79% (T12). The melanin contents at the medial point (A), the middle point (B), and the lateral point (C) all decreased instantly after injection (A: 8.23% ± 5.07%, B: 6.29% ± 5.05%, C: 5.11% ± 5.44% ), which suggested that collagen filler had an instant covering effect for structural dark circles. Patients showed only slight redness and swelling after the treatment. CONCLUSION Collagen filler is a very effective treatment method for structural dark circles. Besides, it may also have a certain therapeutic effect on the other three dark circles types.
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Affiliation(s)
- Rui Zhao
- Department of Cosmetic and Plastic Surgery, Sichuan University West China Hospital of Stomatology, Chengdu, China
| | - He Qiu
- Department of Cosmetic and Plastic Surgery, Sichuan University West China Hospital of Stomatology, Chengdu, China
| | - Shuo Liu
- Department of Cosmetic and Plastic Surgery, Sichuan University West China Hospital of Stomatology, Chengdu, China
| | - Lideng Cao
- Department of Cosmetic and Plastic Surgery, Sichuan University West China Hospital of Stomatology, Chengdu, China
| | - Donglei Yu
- Department of Cosmetic and Plastic Surgery, Sichuan University West China Hospital of Stomatology, Chengdu, China
| | - Hang Wang
- Department of Cosmetic and Plastic Surgery, Sichuan University West China Hospital of Stomatology, Chengdu, China
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