Paradoxical Hypertrichosis After Laser Therapy: A Review
BACKGROUND Laser hair removal is a safe and effective procedure for the treatment of unwanted body hair but is not exempt from side effects. A rare but significant adverse effect with this treatment modality is paradoxical hypertrichosis. OBJECTIVE To evaluate the potential etiologies, risk factors,...
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| Veröffentlicht in: | Dermatologic surgery 2010-03, Vol.36 (3), p.291-298 |
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| creator | DESAI, SHRADDHA MAHMOUD, BASSEL H. BHATIA, ASHISH C. HAMZAVI, ILTEFAT H. |
| description | BACKGROUND
Laser hair removal is a safe and effective procedure for the treatment of unwanted body hair but is not exempt from side effects. A rare but significant adverse effect with this treatment modality is paradoxical hypertrichosis.
OBJECTIVE
To evaluate the potential etiologies, risk factors, related laser types, and treatment options for the development of excess hair after laser therapy.
MATERIALS AND METHODS
An analysis of previously published case studies and review articles along with our own experience was used to gather information regarding this phenomenon.
RESULTS
Paradoxical hypertrichosis has a low incidence, ranging from 0.6% to 10%, and most commonly occurs on the face and neck. All laser and light sources have the potential to cause hair induction, especially in individuals with darker skin types (III–VI); with dark, thick hair; and with underlying hormonal conditions. Possible causes include the effect of inflammatory mediators and subtherapeutic thermal injury causing induction of the hair cycle. Treatment for paradoxical hypertrichosis is laser therapy of the affected area.
CONCLUSIONS
Paradoxical hypertrichosis is a rare side effect of laser hair removal; the pathogenesis of this event remains widely unknown. We recommend further large‐scale studies to investigate this effect.
The authors have indicated no significant interest with commercial supporters. |
| doi_str_mv | 10.1111/j.1524-4725.2009.01433.x |
| format | Article |
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Laser hair removal is a safe and effective procedure for the treatment of unwanted body hair but is not exempt from side effects. A rare but significant adverse effect with this treatment modality is paradoxical hypertrichosis.
OBJECTIVE
To evaluate the potential etiologies, risk factors, related laser types, and treatment options for the development of excess hair after laser therapy.
MATERIALS AND METHODS
An analysis of previously published case studies and review articles along with our own experience was used to gather information regarding this phenomenon.
RESULTS
Paradoxical hypertrichosis has a low incidence, ranging from 0.6% to 10%, and most commonly occurs on the face and neck. All laser and light sources have the potential to cause hair induction, especially in individuals with darker skin types (III–VI); with dark, thick hair; and with underlying hormonal conditions. Possible causes include the effect of inflammatory mediators and subtherapeutic thermal injury causing induction of the hair cycle. Treatment for paradoxical hypertrichosis is laser therapy of the affected area.
CONCLUSIONS
Paradoxical hypertrichosis is a rare side effect of laser hair removal; the pathogenesis of this event remains widely unknown. We recommend further large‐scale studies to investigate this effect.
The authors have indicated no significant interest with commercial supporters.</description><identifier>ISSN: 1076-0512</identifier><identifier>EISSN: 1524-4725</identifier><identifier>DOI: 10.1111/j.1524-4725.2009.01433.x</identifier><identifier>PMID: 20100274</identifier><language>eng</language><publisher>Malden, USA: Blackwell Publishing Inc</publisher><subject>Biological and medical sciences ; Dermatology ; Hair and nails disorders ; Hair Follicle - injuries ; Hair Follicle - physiopathology ; Hair Removal - adverse effects ; Hair Removal - methods ; Humans ; Hypertrichosis - epidemiology ; Hypertrichosis - etiology ; Hypertrichosis - physiopathology ; Laser Therapy - adverse effects ; Medical sciences ; Risk Factors ; Skin plastic surgery ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><ispartof>Dermatologic surgery, 2010-03, Vol.36 (3), p.291-298</ispartof><rights>2010 by the American Society for Dermatologic Surgery, Inc.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3983-952dad794a5bade83384110b591007b3ab760e60eba8196fb3b758cffb50e1eb3</citedby><cites>FETCH-LOGICAL-c3983-952dad794a5bade83384110b591007b3ab760e60eba8196fb3b758cffb50e1eb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1524-4725.2009.01433.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1524-4725.2009.01433.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22554789$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20100274$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>DESAI, SHRADDHA</creatorcontrib><creatorcontrib>MAHMOUD, BASSEL H.</creatorcontrib><creatorcontrib>BHATIA, ASHISH C.</creatorcontrib><creatorcontrib>HAMZAVI, ILTEFAT H.</creatorcontrib><title>Paradoxical Hypertrichosis After Laser Therapy: A Review</title><title>Dermatologic surgery</title><addtitle>Dermatol Surg</addtitle><description>BACKGROUND
Laser hair removal is a safe and effective procedure for the treatment of unwanted body hair but is not exempt from side effects. A rare but significant adverse effect with this treatment modality is paradoxical hypertrichosis.
OBJECTIVE
To evaluate the potential etiologies, risk factors, related laser types, and treatment options for the development of excess hair after laser therapy.
MATERIALS AND METHODS
An analysis of previously published case studies and review articles along with our own experience was used to gather information regarding this phenomenon.
RESULTS
Paradoxical hypertrichosis has a low incidence, ranging from 0.6% to 10%, and most commonly occurs on the face and neck. All laser and light sources have the potential to cause hair induction, especially in individuals with darker skin types (III–VI); with dark, thick hair; and with underlying hormonal conditions. Possible causes include the effect of inflammatory mediators and subtherapeutic thermal injury causing induction of the hair cycle. Treatment for paradoxical hypertrichosis is laser therapy of the affected area.
CONCLUSIONS
Paradoxical hypertrichosis is a rare side effect of laser hair removal; the pathogenesis of this event remains widely unknown. We recommend further large‐scale studies to investigate this effect.
The authors have indicated no significant interest with commercial supporters.</description><subject>Biological and medical sciences</subject><subject>Dermatology</subject><subject>Hair and nails disorders</subject><subject>Hair Follicle - injuries</subject><subject>Hair Follicle - physiopathology</subject><subject>Hair Removal - adverse effects</subject><subject>Hair Removal - methods</subject><subject>Humans</subject><subject>Hypertrichosis - epidemiology</subject><subject>Hypertrichosis - etiology</subject><subject>Hypertrichosis - physiopathology</subject><subject>Laser Therapy - adverse effects</subject><subject>Medical sciences</subject><subject>Risk Factors</subject><subject>Skin plastic surgery</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><issn>1076-0512</issn><issn>1524-4725</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkN9LwzAQgIMoTqf_gvRFfGq9JM2SCD6M-WPCQNHtOSRtyjq6dSabW_97Uzfnq-FIDu67y_EhFGFIcDi3swQzksYpJywhADIBnFKabI_Q2aFwHHLgvRgYJh107v0MABNJ4RR1CGAAwtMzJN6003m9LTNdRcNmad3Kldm09qWP-sXKumikfbjHU-v0srmL-tG7_Srt5gKdFLry9nL_dtHk6XE8GMaj1-eXQX8UZ1QKGktGcp1zmWpmdG4FpSLFGAyTYQNuqDa8BzaE0QLLXmGo4UxkRWEYWGwN7aKb3dylqz_X1q_UvPSZrSq9sPXaK04pxSAxC6TYkZmrvXe2UEtXzrVrFAbValMz1dpRrR3ValM_2tQ2tF7tP1mbuc0Pjb-eAnC9B7QPpgqnF1np_zjCWMqFDNz9jtuUlW3-vYB6-Ji0Gf0GeHeG7g</recordid><startdate>201003</startdate><enddate>201003</enddate><creator>DESAI, SHRADDHA</creator><creator>MAHMOUD, BASSEL H.</creator><creator>BHATIA, ASHISH C.</creator><creator>HAMZAVI, ILTEFAT H.</creator><general>Blackwell Publishing Inc</general><general>Wiley</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201003</creationdate><title>Paradoxical Hypertrichosis After Laser Therapy: A Review</title><author>DESAI, SHRADDHA ; MAHMOUD, BASSEL H. ; BHATIA, ASHISH C. ; HAMZAVI, ILTEFAT H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3983-952dad794a5bade83384110b591007b3ab760e60eba8196fb3b758cffb50e1eb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Biological and medical sciences</topic><topic>Dermatology</topic><topic>Hair and nails disorders</topic><topic>Hair Follicle - injuries</topic><topic>Hair Follicle - physiopathology</topic><topic>Hair Removal - adverse effects</topic><topic>Hair Removal - methods</topic><topic>Humans</topic><topic>Hypertrichosis - epidemiology</topic><topic>Hypertrichosis - etiology</topic><topic>Hypertrichosis - physiopathology</topic><topic>Laser Therapy - adverse effects</topic><topic>Medical sciences</topic><topic>Risk Factors</topic><topic>Skin plastic surgery</topic><topic>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>DESAI, SHRADDHA</creatorcontrib><creatorcontrib>MAHMOUD, BASSEL H.</creatorcontrib><creatorcontrib>BHATIA, ASHISH C.</creatorcontrib><creatorcontrib>HAMZAVI, ILTEFAT H.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Dermatologic surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>DESAI, SHRADDHA</au><au>MAHMOUD, BASSEL H.</au><au>BHATIA, ASHISH C.</au><au>HAMZAVI, ILTEFAT H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Paradoxical Hypertrichosis After Laser Therapy: A Review</atitle><jtitle>Dermatologic surgery</jtitle><addtitle>Dermatol Surg</addtitle><date>2010-03</date><risdate>2010</risdate><volume>36</volume><issue>3</issue><spage>291</spage><epage>298</epage><pages>291-298</pages><issn>1076-0512</issn><eissn>1524-4725</eissn><abstract>BACKGROUND
Laser hair removal is a safe and effective procedure for the treatment of unwanted body hair but is not exempt from side effects. A rare but significant adverse effect with this treatment modality is paradoxical hypertrichosis.
OBJECTIVE
To evaluate the potential etiologies, risk factors, related laser types, and treatment options for the development of excess hair after laser therapy.
MATERIALS AND METHODS
An analysis of previously published case studies and review articles along with our own experience was used to gather information regarding this phenomenon.
RESULTS
Paradoxical hypertrichosis has a low incidence, ranging from 0.6% to 10%, and most commonly occurs on the face and neck. All laser and light sources have the potential to cause hair induction, especially in individuals with darker skin types (III–VI); with dark, thick hair; and with underlying hormonal conditions. Possible causes include the effect of inflammatory mediators and subtherapeutic thermal injury causing induction of the hair cycle. Treatment for paradoxical hypertrichosis is laser therapy of the affected area.
CONCLUSIONS
Paradoxical hypertrichosis is a rare side effect of laser hair removal; the pathogenesis of this event remains widely unknown. We recommend further large‐scale studies to investigate this effect.
The authors have indicated no significant interest with commercial supporters.</abstract><cop>Malden, USA</cop><pub>Blackwell Publishing Inc</pub><pmid>20100274</pmid><doi>10.1111/j.1524-4725.2009.01433.x</doi><tpages>8</tpages></addata></record> |
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| ispartof | Dermatologic surgery, 2010-03, Vol.36 (3), p.291-298 |
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| source | MEDLINE; Journals@Ovid Complete; Access via Wiley Online Library |
| subjects | Biological and medical sciences Dermatology Hair and nails disorders Hair Follicle - injuries Hair Follicle - physiopathology Hair Removal - adverse effects Hair Removal - methods Humans Hypertrichosis - epidemiology Hypertrichosis - etiology Hypertrichosis - physiopathology Laser Therapy - adverse effects Medical sciences Risk Factors Skin plastic surgery Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases |
| title | Paradoxical Hypertrichosis After Laser Therapy: A Review |
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