Isithako Esiyisihluthulelo Esenza Isikhumba Sakho Siqukethe
Ama-humectants yizithako ezitholakalayo ezakhiweni nasezihlanjululeni ezihlanza isikhumba ngokuheha ama-molecule wamanzi njenge-magnet. Ukukhuluma ngamakhemikhali, ama-humectants yizinto eziphilayo ezakha ama-hydrogen izibopho ngamakhemikhali amanzi. Lokhu kuhlanganiswa kusiza ukunciphisa isikhumba ngokudweba amanzi kusuka ezingxenyeni ezingaphansi kwamaseli.
Ukuthi ama-Humectants asebenza kanjani
Ama-humectants asebenza ngokudonsa amanzi avela emhlathini ( okwesigaba sesibili sesikhumba) ukuya epidermis (ungqimba ophezulu wesikhumba).
Le nqubo ikwandisa izinga lokuswakama kwi- stratum corneum , ungqimba lwamangqamuzana afile ahlanganisa i-ecstermus yangaphandle. Ngokwenza kanjalo, isikhumba sizobukeka singenangqondo futhi singathandeki ukuchotshozwa nokushayela.
I-Humectants ibuye ikhuthaze ukuchithwa kwamaseli afile (okuthiwa ama- dequamation ) ngokuphula amaprotheni abamba amaseli ndawonye. Uma umswakama ungaphezu kwamaphesenti angama-70, ama-humectants angakwazi ngisho nokudweba umfutho wamanzi emoyeni ukusiza ukuthuthukisa isikhumba.
Izinhlobo ze-Humectants
Ama-humectants asetshenziselwa imikhiqizo eminingi yokunakekelwa nezimonyo kubandakanya izimo zezinwele, izihlungi zomzimba, izikhwama zobuso, ama-eye lotions, emva kwelanga-lotions, ama-frizz serum, ama-lip balms kanye nezinye izinsipho.
Ama-humectants angahle abe ngabantu noma atholakala emvelweni. Ngamunye usebenza ngokuhlukile futhi angase abe nezinto ezizenza zifanelekele izinhlelo zokusebenza ezithile. Esinye isibonelo esinjalo yiluhlobo lwe-humectant olubizwa ngokuthi i-nanolipid gel elisetshenziselwa izinyawo eziningi nezithende zezithende ngenxa yezinto zayo zokufakelwa.
Ama-Humectants ahlukahlukene
Ama-humectants anama-synthetic asetshenziselwa kakhulu imikhiqizo yokunakekela abantu ngoba ayabizi ukukhiqiza futhi abe nokuphila kwe-shelf okwesikhathi eside.
Ngenkathi ama-humectants akhiqiza akwazi ukukhiya umswakama ngezinga elithile, awahlinzeki noma yiziphi izakhi noma izinzuzo eziphawulekayo esikhumbeni.
Kwezinye izimo, zingaphazamisa indlela yokunyusa umzimba futhi iphele ukomisa isikhumba ngaphezu kwesikhathi eside.
Amanye ama-humectants ayenziwa kakhulu ahlanganisa:
- I-butylene glycol
- Urea
- I-Glycerin
- I-Tremella ikhiphe
- I-Sorbitol
- Dicyanamide
- I-PCA ye-sodium
- I-lactate ye-sodium
Ama-Humectants ezemvelo
Ama-humectants ezemvelo asebenza ngenhloso emibili: ukudweba umswakama ebusweni besikhumba ngenkathi kuthuthukiswa ikhono lokuhlunga isikhumba. Benza kanjalo ngezinto ezivuselela ukukhiqizwa komswakama emhlathini ngenkathi zikhuthaza ukukhula kwamaseli amasha epidermis.
Ezinye zezinto ezidume kakhulu zemvelo zihlanganisa:
- I-Hyaluronic acid , ikhemikhali eyenziwa ngumzimba okhuthaza ukukhanda isikhumba nokukhula kwama- keratinocytes ase-basal
- I-Aloe vera , isithwathwa esitshalo esinamakhemikhali okulwa nokuvuvukala nokulwa namagciwane
- I-Alpha hydroxy acid , isakhi samvelo esitholakala ezitshalweni, ubisi, kanye nomshukela okhuthaza ukuxoshwa nokuxoshwa kwamanzi
- Uju , isithako esingenayo amafutha esine-alpha hydroxy acid
- Okulwandle , isitshalo samanzi esilwandle esine-hydrocolloids esisiza ekuphulukiseni
Abasebenzi
Uma isimo sezulu sinomile kakhulu (ikakhulukazi phakathi nezinyanga zasebusika), ama-humectants angakwazi ukudweba amanzi amaningi kakhulu emvuleni bese enza ukuma ngaphambi kwesikhathi.
Lokhu kuyiqiniso ikakhulukazi ngama-humectants anama-synthetic afana ne-glycerin.
Ukuphikisana nalokhu, amanye ama-moisturizers azofaka i-agent ebonakalayo evimbela ukulahleka komswakama ngokudala i-oil or lipid barrier esikhumbeni. Ngokuvamile izisebenzi zicebile futhi zinamafutha futhi zifaka izithako ezifana nalezi:
- Amafutha amaminerali
- I-Petrolatum
- Lanolin
- I-Dimethicone
- Ibhotela likaShea
Ngenkathi kunemikhiqizo emibili ngemibili equkethe i-humectant kanye ne-agent esebenzayo, abanye abantu bakhetha ukuxuba kanye nokufanisa ama-moisturizers njengengxenye yesimiso sabo se-skincare nsuku zonke. Funda ilebula lomkhiqizo ngokucophelela uma ukhetha, futhi usebenzise njalo umswakama we-moisturizer owakhiqiza ngemuva kwesikhumbuzi se-humectant semiphumela emihle kakhulu.
> Umthombo:
> Sethi, A .; I-Taur, K .; kanye noGambhir, M. "Ukuthungatha umzimba: Umgwaqo wokuHlala." I-Ind J Dermatol. 2016; 61 (3): 279-87. I-DOI: 10.4103 / 0019-5154.182427.