Isithako Esisisiseko esilondoloza Isikhumba Sakho
Ama-Humectants ayinxalenye yezithako ezifunyenwe kwizilwanyana kunye nohlambululi ohambisa isikhumba ngokutsala ama-molecule yamanzi njengememori. Ukuthetha ngokwemvelo, i-humectants yimizimba e-hygroscopic eyenza i-hydrogen bonds kunye nama-molecule yamanzi. Ukubambisana kukunceda ukuphucula isikhumba ngokukrazula amanzi ukusuka kumacandelo eselula.
Njani i-Humectants isebenza
I-Humectants isebenza ngokudonsa amanzi kwi- dermis (lwesibini kwinqaba) kwi- epidermis (uluhlu oluphezulu lwesikhumba).
Le nkqubo ikwandisa izinga lokunyameka kwi- strneum corneum , ubuncinci beeseli ezifile ezibandakanya i-epidermis. Ngokwenza njalo, ulusu luya kubonakala lucacile kwaye lube luncitshiswa kakhulu ukukhahlela kunye nokutshisa.
Ama-Humectants akhuthaza ukuchithwa kweeseli ezifileyo (ezibizwa ngokuba yi- dequamation ) ngokuphula amaprotheni abamba iiseli kunye. Ukuba umswakama ungaphezu kwama-70 ekhulwini, abaxhamli bangakwazi ukuhambisa umphunga wamanzi emoyeni ukunceda ukuncipha kwesikhumba.
Iintlobo ze-Humectants
Ama-Humectants asetyenziswa kwiinkqubo ezininzi zokunyamekela kunye nokunyamekela, kuquka iinkqubo zokugcoba iinwele, ukuhlambulula umzimba, i-facial creams, i-lotion eye, emva kwelanga, i-frizz serums, i-lip balms kunye nezinye iisepha.
I-Humectants ingaba yenziwe ngumntu okanye ivela kwimvelo. Nganye isebenza ngokuhlukileyo kwaye inokuba neepropati ezenza zibe zifanelekileyo kwizicelo ezithile. Omnye umzekelo ngumhlobo we-humectant obizwa ngokuba yi-gel nanolipid esetyenziswe kwienyawo ezininzi kunye neesithende zeesithende ngenxa yeempahla zayo ezifakwe kwi-antifungal.
Humectants Synthetic
Ama-humectants asebenzayo asetyenziswa ngokubanzi kwimveliso yokunakekela abantu ngenxa yokuba ayabizi ukuvelisa kwaye abe nexesha elide lokuphila.
Nangona i-humectants yokwenziwa komsebenzi iyakwazi ukutshixa kumanzi kumlinganiselo othile, ababoneleli naluphi na izondlo okanye inzuzo ephawulekayo kwesikhumba.
Kwezinye iimeko, banokuphazamisa indlela yokunyusa umzimba kunye nokuphelisa ulusu phezu kwexesha elide.
Ezinye zezinto ezidumileyo ezixubileyo zibandakanya:
- I-Butylene glycol
- Urea
- Glycerin
- ITrmella ikhutshwe
- Sorbitol
- Dicyanamide
- PCA sodium
- Lactate
Humectants zemvelo
I-humectants yemvelo inika injongo ebini: ukutsala umswakama ebusweni besikhumba ngelixa kuphucula ikhwalithi ye-skin hydrating. Benza njalo ngezinto ezikhuthaza ukuveliswa kwemvelo kwidermisi ngelixa zikhuthaza ukukhula kwamaseli amatsha kwi-epidermis.
Ezinye zezinto ezidumileyo zemvelo ziquka:
- I-Hyaluronic acid , ikhemikhali eyenziwa ngumzimba okhuthaza ukulungiswa kesikhumba kunye nokukhula kwe- basal keratinocytes
- I-Aloe vera , isityalo esivela kwisityalo esinezixhobo ezichasayo nezichasayo
- I-Alpha hydroxy acid , i- composite yemvelo efumaneka kwiziqhamo, ubisi, kunye ne-sugar cane ekhuthaza ukunyuka kwezinto
- Inyosi , isongezelelo esingenayo i-oyile esine-alpha hydroxy acid
- Olwandle , i-extract plant ephethe i-hydrocolloids enceda ekuphiliseni
Abasebenzi
Ukuba imozulu iyomile ngokukodwa (ngokukodwa ngeenyanga zasebusika), ama-humectants angakwazi ukufumana amanzi amaninzi kwi-dermis kwaye abangela ukutywa kwexesha elide.
Oku kuyinyani ngokukodwa kunye nama-humectants ahlanganisayo afana ne-glycerin.
Ukumelana nale nto, ezinye i-moisturizers ziza kudibanisa i-agent agent ekhuselekileyo eyenza ukulahlekelwa ngumswakama ngokudala i-oyile okanye i-lipid ingqinamba kwesikhumba. Abasebenzi bavame ngokucebile kunye neoli kunye nokubandakanya izithako ezinjengoku:
- Iimbiwa zeoli
- Petrolatum
- Lanolin
- Dimethicone
- ibhatha yeshea
Nangona kukho imveliso yezinto ezimbini ngeyodwa equlethe i-humectant kunye ne-agent agent, abanye abantu banqwenela ukuxuba kunye ne-moisturizers njengengxenye yemihla ngemihla. Funda iilebula yeemveliso ngokucophelela xa ukhetha, kwaye usebenzise ixesha lokunyumba kwesikhuni emva kokushushumbisa kwe-humectant yeziphumo ezilungileyo.
> Umthombo:
> Sethi, A .; Taur, K .; kunye ne-Gambhir, M. "I-Moisturizers: I-Road Slippery." Ind J Dermatol. 2016; 61 (3): 279-87. INGXELO: 10.4103 / 0019-5154.182427.