Indlela Ukwelashwa Okubomvu Okusiza Ngayo Ngezinduna Nokuvuvukala Kwesikhumba

Uma uke wazizwa ukhungathekile ngenxa yokuqubuka okuqhubekayo, isikhumba esibucayi, esithukuthele, noma ukuphela kancane kwamamaki angemva kokuvuvukala, awuwedwa. Abantu abaningi bafuna izinketho ezingahlaseli, ezithambile, nezisebenzayo esikhathini eside, futhi lelo sifiso sokwazi liye lasiza inani elikhulayo labantu ukuthi bahlole izindlela ezisuselwe ekukhanyeni. Ukwelashwa ngokukhanya okubomvu kungenye yalezo zinketho ezisuke ezilungiselelweni zezokwelapha zaya kumadivayisi asekhaya, ama-spa, kanye namahhovisi e-dermatology, okuthembisa ukwehla kokuvuvukala, ukuqubuka okuncane, kanye nesikhumba esinempilo iyonke.

Lesi sihloko sizokuqondisa ngendlela ukwelashwa kokukhanya okubomvu okusebenza ngayo ezingeni lebhayoloji, ubufakazi obusekela ukusetshenziswa kwayo ekuvuvukeni kwesikhumba kanye nokuvuvukala kwesikhumba, izindlela zokwelapha ezisebenzayo, indlela yokukuhlanganisa ngokuphephile nezinye izindlela zokwelapha i-acne, kanye namathiphu okukhetha idivayisi nokugwema izingibe ezivamile. Kungakhathaliseki ukuthi ucabanga ukuyizama okokuqala noma ufuna ukujulisa ukuqonda kwakho ngaphambi kokuzibophezela ohlelweni, izigaba ezilandelayo zinikeza ulwazi oluningiliziwe nolusebenzayo ukukusiza wenze izinqumo ezinolwazi futhi ubeke amathemba angokoqobo.

Indlela ukukhanya okubomvu okukhuthaza ngayo ukulungiswa kwamaseli nokunciphisa ukuvuvukala

Ukwelashwa kokukhanya okubomvu, okwaziwa nangokuthi ukwelashwa kokukhanya okuphansi noma i-photobiomodulation uma kwenziwa ngamaza athile kanye namandla aphansi, kuxhumana namaseli esikhumba ngezindlela ezisekela ukulungiswa nokuzola ukuvuvukala. Indlela eyamukelwa kabanzi ihilela i-mitochondria, ama-organelle akhiqiza amandla ngaphakathi kwamaseli. Ama-chromosome anjenge-cytochrome c oxidase amunca ama-photon ebangeni elibomvu neliseduze ne-infrared, okungathuthukisa ukuphefumula kwe-mitochondrial. Lokhu kuholela ekukhiqizweni okwandisiwe kwe-adenosine triphosphate (ATP), "imali yamandla" yamaseli, okuvumela amaseli ukuthi enze imisebenzi yokulungisa nokugcina kahle. Lapho ama-keratinocyte, ama-fibroblast, namaseli omzimba esikhumbeni ene-ATP eningi etholakalayo, angakwazi ukuhlanganisa amaprotheni esakhiwo, asuse izingxenye ezonakele, futhi abuyisele umgoqo wesikhumba.

Kanye nokukhiqizwa kwamandla, ukukhanya okubomvu kuthonya izinhlobo ze-oxygen ezisabelayo (i-ROS) kanye nezindlela zokubonisa amaseli. Kumithamo yokwelapha, i-photobiomodulation inganciphisa i-ROS eyeqile ngenkathi ikhuthaza ukubonisa okulawulwayo okubangela ukuzivikela kwe-antioxidant. Lokhu kuguquguquka kusiza ukunciphisa ukuqhuma okulimazayo okuvame ukuhambisana nokuvuvukala. Izindlela ezibalulekile zokuvuvukala, njenge-nuclear factor kappa B (NF-κB), zingancishiswa ukuvezwa ukukhanya, kunciphise ukukhishwa kwama-cytokines abangela ukuvuvukala. Ngezinduna, lapho ukuvuvukala okuzungeze izinwele kanye nezindlala ze-sebaceous kubangela izilonda eziningi, ukunciphisa ukubonisa kwe-cytokine kusiza ukunciphisa ukubomvu, ukuvuvukala, kanye nobuhlungu obuhambisana nokuqhekeka okusebenzayo.

Ukukhanya okubomvu kuthinta namaseli abhekene nokuvuselelwa kwezicubu. Ama-Fibroblast asabela ekukhanyeni okubomvu nokuseduze kwe-infrared ngokwandisa ukwakheka kwe-collagen ne-elastin kanye nokukhipha izinto ezikhulisayo ezisekela isakhiwo sesikhumba. Ukukhiqizwa kwe-collagen okuthuthukisiwe akusizi nje kuphela ukulungisa izibazi ze-acne ngokuhamba kwesikhathi kodwa futhi kuqinisa i-dermal-epidermal junction, kuthuthukise ukusebenza kwesithiyo kanye nokuqina ngokumelene nezinto ezicasulayo zangaphandle. Ngezinguquko ze-pigment ezilandela ukuvuvukala, ukulawulwa komsebenzi we-melanocyte kanye nokulungiswa kokuguquka kwe-epidermal kunganciphisa ubukhali kanye nobude be-hyperpigmentation.

Omunye umphumela ofanele ukuguqulwa kwempendulo yomzimba. Ukuguqulwa kwe-photobio kungashintsha umsebenzi we-macrophage kusuka ku-phenotype ebangela ukuvuvukala uye ku-phenotype yokubuyisela, okukhuthaza ukuqedwa kwemfucumfucu kanye nokulungiswa kokuvuvukala. Lolu shintsho lwe-phenotype lubalulekile ekuguquleni izilonda ze-acne ezivuvukile ziye ekwelapheni kunokuvuvukala noma izibazi isikhathi eside. Umphumela ophelele wale miphumela yamaseli nama-molecule ukwehla kwe-erythema kanye ne-edema, ukuphulukiswa okusheshayo kwezilonda, kanye nokwakheka kwesikhumba okuthuthukisiwe okumelana nokuvutha kokuvuvukala kwesikhathi esizayo. Ukuqonda lezi zindlela kusiza ukuchaza ukuthi kungani ukwelashwa kokukhanya okubomvu kungeyona nje ukukhululeka kwezimpawu kodwa kungasekela ukuphulukiswa kwezicubu ezijulile kanye nokuthuthuka kwesikhathi eside empilweni yesikhumba.

Ubufakazi besayensi kanye nezifundo zezokwelapha ezisekela ukusetshenziswa kwayo kwe-acne

Izincwadi zesayensi mayelana nokwelashwa kokukhanya okubomvu kwezinduna kanye nokuvuvukala kwesikhumba zikhule kakhulu eminyakeni engamashumi amabili edlule, okuhlanganisa izivivinyo ezincane zemitholampilo, izifundo ezilawulwa ngokungahleliwe, kanye nokubuyekezwa okuhlelekile. Izifundo eziningi zihlola ukukhanya okubomvu kuphela, kanti ezinye ziqhathanisa nokukhanya okuluhlaza okwesibhakabhaka, zikuhlanganisa namaza okukhanya aluhlaza okwesibhakabhaka, noma zikuhlanganise nokwelashwa kwangaphandle. Isivumelwano esivamile emphakathini wocwaningo ukuthi ukukhanya okubomvu kunomphumela wokulwa nokuvuvukala kanye nokwelapha ohambisana noma othuthukisa ezinye izindlela zokwelapha izinduna.

Izivivinyo zemitholampilo zivame ukubika ukwehla kwenani lezilonda ezivuvukalayo, ukwehla kwe-erythema, kanye nokuthuthuka kokuthungwa kwesikhumba ngemuva kokwelashwa okuqhubekayo. Isibonelo, izivivinyo eziqhathanisa ukukhanya okubomvu kuphela uma kuqhathaniswa nokwelashwa kwe-placebo noma kwe-sham zivame ukukhombisa ukwehla okuphawulekayo kwezibalo emazingeni obunzima be-acne, ikakhulukazi ezilondeni ezivuvukalayo njenge-papules kanye ne-pustules. Izifundo ezihlanganisa ukukhanya okubomvu nokuluhlaza okwesibhakabhaka zivame ukuthola ukwehla kwasekuqaleni kwenani lezilonda okubangelwa umphumela wokulwa namagciwane wokukhanya okuluhlaza okwesibhakabhaka ku-Propionibacterium acnes (Cutibacterium acnes) kanye nemiphumela yokulwa nokuvuvukala kanye nokubuyisela emuva okuvela ekukhanyeni okubomvu. Okubalulekile, izifundo ziphinde zabona ukuthuthuka ekushiseni kwamanxeba kanye nokushisa kwesikhumba ngemva kokuvuvukala ngemva kwezinyanga eziningana zokwelapha ukukhanya okubomvu, okuphakamisa ukulungiswa kwesakhiwo kanye nokujwayelekile kombala ngaphezu kwesenzo sokulwa nokuvuvukala ngokushesha.

Ukubuyekezwa okuhlelekile kanye nokuhlaziywa kwe-meta kwe-phototherapy yezinduna ngokuvamile kugqamisa ukusebenza kahle kanye nokuphepha kwezindlela ezisuselwe ekukhanyeni, kuqaphela ukuthi ukukhanya okubomvu kunciphisa ukuvuvukala futhi kusheshisa ukuphulukiswa ngemiphumela emibi emincane. Kodwa-ke, abacwaningi baxwayisa ngokuthi imiklamo yocwaningo iyahlukahluka kakhulu: ubude be-wavelength, ukukhanya, ubude beseshini, imvamisa, kanye nenani eliphelele leseshini kuyahlukahluka kuzo zonke izivivinyo, okwenza kube nzima ukuqhathanisa okuqondile kanye nezincomo zephrothokholi eziqondile. Izifundo ezenziwa emitholampilo yesikhumba zivame ukusebenzisa amadivayisi anamandla kakhulu kanye nezilungiselelo ezilawulwayo, kuyilapho ucwaningo lwamadivayisi okusetshenziswa ekhaya lubonisa ukukhanya okuphansi kodwa kulula kakhulu kanye nemvamisa.

Ngaphezu kwalokho, ucwaningo luye lwahlola imiphumela ezinhlotsheni ezahlukene zesikhumba kanye nobunzima be-acne. Izifundo eziningi zigxile ku-acne yokuvuvukala okuncane kuya kokuphakathi, lapho ukukhanya okubomvu kubonisa izinzuzo ezihlala njalo. I-acne ye-nodulocystic eqinile ivame ukudinga ukwelashwa okuhlelekile, kodwa ukukhanya okubomvu kusengaba usizo njengesithasiselo sokunciphisa ukuvuvukala nokusekela ukuphulukiswa. Ukulandelela isikhathi eside kwezinye izivivinyo kubonisa ukuthuthuka okuqhubekayo ngemva kwenkambo yokwelashwa kokukhanya, nakuba izikhathi zokulungisa zingadingeka ukuze kulondolozwe imiphumela. Sekukonke, ngenkathi izivivinyo ezinkulu nezijwayelekile zingaqinisa isisekelo sobufakazi, izifundo ezikhona zisekela ukwelashwa kokukhanya okubomvu njengendlela esebenzayo yokunciphisa ukuvuvukala, ukwehlisa inani lezilonda, nokuthuthukisa ukulungiswa kwesikhumba kubantu abavame ukuba nama-acne.

Izindlela zokwelapha ezifanele kakhulu: ubude bamaza, ubude besikhathi, imvamisa

Ukunquma izindlela eziqondile zokwelapha ngokukhanya okubomvu kudinga ukunakwa kobude be-wavelength, ukukhanya, ubude besikhathi, kanye nemvamisa. Ukukhanya okubomvu okwelaphayo kuvame ukuwela ezinhlotsheni ezimbili: obomvu obonakalayo (cishe phakathi no-600s nm) kanye nobubanzi be-near-infrared (cishe ububanzi be-800-900 nm). Ububanzi obubomvu obubonakalayo busebenza kahle kakhulu ekubhekiseni izendlalelo zesikhumba ezingaphezulu njenge-epidermis kanye ne-dermis engenhla, lapho kutholakala khona ukuvuvukala okuhlobene ne-acne kanye neyunithi ye-pilosebaceous. Ama-wavelength e-near-infrared angena ngokujulile futhi awusizo ekuthinteni izakhiwo ezijulile zesikhumba kanye nomsebenzi we-fibroblast, ukusekela ukwakheka kwe-collagen kanye nokulungiswa kwezibazi. Ukusetha okuningi kwemitholampilo kanye namadivayisi asekhaya kuhlanganisa ama-wavelength abomvu naseduze kwe-infrared ukuze kulethe izinzuzo ezihambisanayo.

Ukushiswa kokukhanya, okuvezwa njengobuningi bamandla, kanye namandla aphelele alethwayo (ukushelela) kubalulekile ekufezeni i-photobiomodulation ngaphandle kokubangela umonakalo wokushisa. I-photobiomodulation esebenzayo isebenza ngaphakathi kwefasitela lokwelapha: amandla amancane kakhulu awakhiqizi mphumela, futhi amaningi kakhulu angavimbela ukuphulukiswa noma abangele ukucasuka. Yingakho imininingwane yedivayisi ehambisanayo kanye nokunamathela eziqondisweni zomkhiqizi noma izinqubo zezokwelapha kubalulekile. Ubude besikhathi buhlobene ngqo nokushiswa kokukhanya kanye nomthamo wamandla ofunwayo; idivayisi eshiswa kokukhanya okuphansi izodinga isikhathi eside ukuze ilethe amandla okwelapha, kuyilapho amadivayisi anamandla aphezulu ethola umthamo ofanayo ngesikhathi esincane. Ukuvama kokwelashwa kungenye into eguquguqukayo: izifundo eziningi zezokwelapha ziqala ngezikhathi ezivame kakhulu, njengezikhathi eziningi ngesonto, bese zincipha ngezikhathi zokulungisa. Izindlela zasekhaya zivame ukuncoma izikhathi zansuku zonke noma zansuku zonke amasonto ambalwa, bese kunciphisa imvamisa njengoba ukuthuthuka kuzinza.

Ukuvumelana ngokuhamba kwesikhathi kubalulekile. Ukuguqulwa kwe-photobio kuvusa izimpendulo zamaseli eziqongelelekayo—ukukhushulwa kwe-mitochondrial, ukwakheka kwe-collagen, kanye nokuguqulwa kokuvuvukala—okwakha ngokuchayeka okuphindaphindiwe. Lindela ukubona ukuthuthuka kancane kancane emavikini kunokushintsha okukhulu okusheshayo, bese uhlela izifundo zokwelapha zamasonto amaningana kuya ezinyangeni ukuze uthole imiphumela enenjongo. Izici zemvelo nezomuntu ngamunye, njengempilo yesikhumba eyisisekelo, ukwelashwa ngasikhathi sinye, kanye nokunamathela, nazo zithinta imiphumela futhi zingadinga ukulungiswa kwephrothokholi. Ngaphambi kokuqala noma iyiphi iphrothokholi, buyekeza imininingwane yedivayisi, ukusetshenziswa okunconywayo, kanye ne-contraindications. Uma kungenzeka, xhumana nodokotela wesikhumba ukuze uhlele uhlelo lwakho ngokwezinga le-acne yakho, uhlobo lwesikhumba, kanye nanoma yiziphi izindlela zokwelapha eziqhubekayo ukuqinisekisa ukuphepha nokuthuthukisa izinzuzo.

Ukuhlanganisa ukwelashwa kokukhanya okubomvu nezinye izindlela zokwelapha induna

Ukwelashwa ngokukhanya okubomvu kuvame ukusetshenziswa njengengxenye yohlelo olubanzi lokuphathwa kwezinduna kunokuba kube yindlela yokwelapha ezimele, ikakhulukazi kulabo abanezinhlobo zezinduna eziphakathi noma ezixubile. Ngenxa yokuthi ukukhanya okubomvu kuthobisa kakhulu ukuvuvukala futhi kusekela ukulungiswa kwezicubu, kuhambisana kahle nokwelashwa okuhlose ezinye izindlela zezinduna, njengokukhiqizwa kwe-sebum, i-follicular hyperkeratinization, kanye nokukhula ngokweqile kwamagciwane. Ukwelashwa ngezihloko ezifana ne-benzoyl peroxide, i-salicylic acid, kanye ne-retinoids kulungisa lezi ezinye izindlela, futhi ukuzihlanganisa nokukhanya okubomvu kungaveza imiphumela yokusebenzisana—ukunciphisa ukwakheka kwezinduna ngenkathi kusheshiswa ukuphulukiswa kokuvuvukala okukhona.

Isikhathi sibalulekile lapho kuhlanganiswa izindlela zokwelapha. Ezinye izinto ezisetshenziswayo, ikakhulukazi ama-retinoid anamandla noma ama-exfoliants amakhemikhali, zandisa ukuzwela kwesikhumba futhi zingabangela ukucasuka uma zisetshenziswa ngokushesha ngaphambi noma ngemva kweseshini yokukhanya. Ngokuvamile kuyalulekwa ukusebenzisa imikhiqizo enjalo ngesikhathi esihlukile sosuku kunokwelashwa kwakho kokukhanya okubomvu—ama-retinoid ebusuku kanye nokukhanya okubomvu ekuqaleni kosuku, isibonelo—ukunciphisa ukucasuka nokwandisa inzuzo. Kubantu abasebenzisa imithi yesistimu efana nama-antibiotic omlomo, ukwelashwa ngama-hormone, noma i-isotretinoin, ukukhanya okubomvu ngokuvamile kungasetshenziswa njengesithasiselo sokusekela ukuphulukiswa nokunciphisa ukuvuvukala. Kodwa-ke, i-isotretinoin ingandisa ubuthakathaka besikhumba kanye nokuzwela, ngakho-ke isiqondiso sezokwelapha sibalulekile ngaphambi kokwengeza noma iyiphi indlela yokwengeza.

Ukuhlanganisa ukukhanya okuluhlaza okwesibhakabhaka nokukhanya okubomvu kuyindlela evamile yokwelapha induna ngoba ukukhanya okuluhlaza okwesibhakabhaka kuhlasela ama-acne e-Cutibacterium ngokukhiqiza izinhlobo ze-oxygen ezisebenzayo ngaphakathi kwama-porphyrins amabhaktheriya, okuholela ekunciphiseni kwamagciwane. Ukukhanya okubomvu kugcwalisa lokhu ngokunciphisa ukuvuvukala nokukhuthaza ukulungiswa. Izifundo zemitholampilo zivame ukubonisa imiphumela engcono lapho womabili ama-wavelength esetshenziswa ngokuhlanganiswa uma kuqhathaniswa noma yodwa, ikakhulukazi izilonda ezivuvukalayo. Ngokufanayo, ukuhlanganisa ukwelashwa kokukhanya okubomvu ngama-peels amakhemikhali athambile, i-microneedling, noma izinqubo zokuvuselela ubuso zobungcweti kungasheshisa ukululama futhi kuthuthukise ukulungiswa kabusha kwe-collagen, kodwa ukulandelana ngokucophelela kubalulekile. Isibonelo, ukusebenzisa ukukhanya okubomvu ngemuva kwenqubo ehlaselayo kungathulisa ukuvuvukala futhi kusekele ukuphulukiswa, kodwa kuqinisekiswe ukuthi inxeba livaliwe nokuthi udokotela wakho uyakuvumela ukuvezwa kokukhanya ngemuva kwenqubo.

Njalo cabangela uhlobo lwesikhumba kanye nokuzwela lapho uhlanganisa ukwelashwa. Labo abanesikhumba esimnyama bangase bathambekele kakhulu ekushintsheni kombala ngemva kokwelashwa okunamandla, ngakho-ke ukuhlanganisa ukukhanya okubomvu—okungasiza ekwenzeni umsebenzi we-melanocyte ube ngokwejwayelekile—nezithako ezithambile zokukhipha ukungcola kungaletha imiphumela engcono yobuhle. Izindlela zokuhlanganisa ezisebenzayo zenziwa ngazinye futhi zivame ukudinga isineke kanye nokulungiswa okuqhubekayo okusekelwe emiphumeleni kanye nokubekezelelana.

Ukukhetha idivayisi kanye nezinto okufanele uzicabangele ngokuphepha

Ukukhetha idivayisi yokwelapha ngokukhanya okubomvu kuncike ekutheni ubeka phambili amandla emitholampilo, ukusebenziseka kalula ekhaya, isabelomali, noma inhlanganisela yalezi zici. Amadivayisi emitholampilo asetshenziswa odokotela besikhumba ngokuvamile anamandla aphezulu, aletha ukukhanya okukhulu futhi avumela izikhathi zeseshini ezimfushane. Amadivayisi asezingeni labathengi asukela ezindongeni eziphathwayo kuya kumaphaneli nakumamaski, futhi ayahlukahluka ngokucaciswa kobude bewavelength, ukukhanya, kanye nekhwalithi yokwakha. Lapho ukhetha idivayisi, hlola ukuthi ikhipha ubude bewavelength okwaziwa ukuthi buyasebenza—ububanzi obuvame ukukhonjwa buhlanganisa obomvu obubonakalayo cishe phakathi no-600s nm kanye ne-near-infrared cishe phakathi no-800s nm. Imininingwane yedivayisi kufanele futhi ifake ukukhanya (mW/cm²) kanye nobude besikhathi seseshini obunconywayo ukukusiza ukulinganisa ukuthi uzodinga ukuyisebenzisa isikhathi esingakanani ukuze ufinyelele umthamo wamandla ofanele.

Kubalulekile ukucabangela ukuphepha. Ukushintshashintsha kwe-photobiomedulation kumithamo yokwelapha ngokuvamile kuphephile futhi kubekezelelwa kahle; imiphumela emibi ayivamile kodwa ingafaka ukufudumala kwesikhashana, i-erythema encane, noma ukuba kubi kwesikhashana kwezimpawu uma umthamo uphezulu kakhulu. Amadivayisi anamandla aphezulu asetshenziswa ngendlela engafanele angabangela ukusha, ikakhulukazi uma esetshenziswa eduze kakhulu nesikhumba noma isikhathi eside kakhulu. Ukuvikela amehlo kubalulekile uma usebenzisa amadivayisi okukhanya okuseduze kwe-infrared noma okubomvu—abanye odokotela batusa izibuko noma ukugwema ukuchayeka ngqo emehlweni, ikakhulukazi ezindaweni ezingavikelwe ezisebenzisa amandla aphezulu. Abantu abathatha imithi ethinta ukukhanya kufanele baxhumane nochwepheshe wezempilo ngaphambi kokuqala ukwelashwa kokukhanya okubomvu, njengoba le mithi ingashintsha impendulo yesikhumba ekukhanyeni futhi yandise ingozi yemiphumela emibi.

Naka imiyalelo yokugcinwa kwedivayisi kanye nomsebenzisi; ibanga elihambisanayo, i-engeli, kanye nobude besikhathi kusiza ukuqinisekisa imiphumela ephindaphindwayo. Kulabo abanezitho zokufakelwa noma amadivayisi ezokwelapha, hlola ukuthi azikho yini izithiyo, ikakhulukazi ngamadivayisi kagesi afakwe eduze kwendawo yokwelashwa. Ukukhulelwa kanye nezimo ezithile zokuzivikela komzimba kungadinga ukuqaphela okwengeziwe kanye nokubonisana nodokotela ngaphambi kokusebenzisa ukwelashwa kokukhanya. Okokugcina, qaphela izimangalo zokumaketha eziqisiwe. Nakuba ukukhanya okubomvu kusekela ukunciphisa ukuvuvukala kanye nokulungiswa kwezicubu, akuyona ikhambi elisheshayo futhi kusebenza kahle njengengxenye yohlelo lokunakekelwa kwesikhumba olucatshangelwe kahle. Funa amadivayisi anezincazelo ezicacile, ukwesekwa kwezokwelapha noma ukuvunyelwa kochwepheshe besikhumba, kanye nokusekelwa kwamakhasimende okunedumela elihle ekuxazululeni izinkinga.

Ngamafuphi, ukwelashwa kokukhanya okubomvu kunikeza ithuluzi elisebenziseka ngokwebhayoloji, elisekelwa ngokwezokwelapha lokunciphisa ukuvuvukala okuhlobene ne-acne nokukhuthaza ukulungiswa kwesikhumba. Kusebenza ngokuvuselela ukusebenza kwe-mitochondrial, ukuguqula izindlela zokuvuvukala, nokukhuthaza ukukhiqizwa kwe-collagen kanye nokulawulwa kwamasosha omzimba—izindlela ezincishisa ukubomvu ndawonye, ​​​​zisheshise ukulungiswa kwezilonda, futhi zithuthukise ubuqotho besakhiwo sesikhumba.

Sekukonke, uma kuhlanganiswa kahle namanye amasu okuphatha izinduna futhi kusetshenziswa namadivayisi nezinqubo ezifanele, ukwelashwa kokukhanya okubomvu kungathuthukisa imiphumela ngephrofayili enobungozi obuphansi. Isineke nokusetshenziswa njalo, ukunaka ukuphepha, kanye nokubambisana nochwepheshe bokunakekelwa kwesikhumba lapho kudingeka kuzokusiza ukuthi uthole okuningi kule ndlela emnene nevuselelayo.