I-Hydroxypropyl methylcellulose (HPMC)Ingabe i-polymer ancibilikayo ye-polymer ethathwe kusuka ku-cellulose yemvelo futhi isetshenziswa kabanzi kwimikhiqizo ehlukahlukene yokunakekelwa kwesikhumba, izimonyo kanye nemikhiqizo yezemithi. Njenge-cellulose eguquliwe, akusetshenziswa kabanzi kuphela embonini, kepha futhi idlala izindima eziningi emikhiqizweni yokunakekelwa kwesikhumba.
1. Abakhulu kanye nabaqinisile
I-Hydroxypropylm methylcellulose iyinhlangano esebenza kahle engakhulisa kakhulu ukubonwa kwemikhiqizo yokunakekelwa kwesikhumba futhi isize umkhiqizo wakhe umkhiqizo omuhle. Imvamisa ingezwe ku-lotions, okhilimu, abahlanza ubuso neminye imikhiqizo ukuyinikeza i-viscosity elinganiselayo, okungeyona kulula ukuyisebenzisa, kepha futhi ithuthukisa ukusetshenziswa nenduduzo yomkhiqizo.
Ngaphezu kwalokho, umphumela wokuqina we-HPMC kwifomula usiza ukuqinisa ukwakheka kwe-emulsion, ukuvimbela ukuhlukaniswa kwezithako noma ukuhlukaniswa kwamanzi, futhi kunwebe impilo yeshelufu yomkhiqizo. Ngokwandisa i-viscosity efomula, kwenza ukuxhumana phakathi kwesigaba samanzi kanye nesigaba samafutha zizinzile, ngaleyo ndlela ziqinisekise ukufana nokuqina kwemikhiqizo efana ne-lotion kanye nokhilimu.
2. Umphumela we-moisturing
I-Hydroxypropylm methylcellulose inama-hydration amahle, futhi ama-molecule awo aqukethe amaqembu e-hydrophilic angakha ama-hydrogen bond ngama-molecule wamanzi ukusiza ukugcina umswakama. I-HPMC ayigcini nje ngokudlala indima ebanzi emikhiqizweni yokunakekelwa kwesikhumba, kepha futhi imunca futhi ikhiya umswakama, ukuhlinzeka ngemiphumela yesikhathi eside. Lokhu kusiza kakhulu esikhunjeni esomile noma ngesizini sokoma kwesizini, ukugcina isikhumba sinamanzi.
Kwamanye okhilimu kanye ne-lotions equkethe i-hydroxypropyllylylyly, umphumela wabo wokuswakama uthuthukiswa futhi, kushiye isikhumba sizizwa sithambile, sibushelelezi futhi somile kancane.
3. Ukwenza ngcono isikhumba uzizwe bese uthinta
Njengoba ukwakheka kwamangqamuzana kwe-HPMC kunezinga elithile lokuguquguquka, kungathuthukisa kakhulu umuzwa wemikhiqizo yokunakekelwa kwesikhumba, ubenze babushelelezi futhi bantekenteke ngokwengeziwe. Ngesikhathi sokusebenzisa, i-hydroxypropyl methylcellulose inganikeza umkhiqizo nge-silky, umuzwa othambile, ukuze isikhumba singazizwa sinamafutha noma sinamathele ngemuva kwesicelo, kepha sizomunca ngokushesha ukugcina umphumela oqabulayo.
Lokhu kuthuthukiswa kokuthungwa kuyisici sokukhathazeka okukhulu kubathengi, ikakhulukazi abasebenzisi abanesikhumba esibucayi noma esinamafutha, lapho ukuzizwa bekuphakathi kokusetshenziswa kubalulekile ikakhulukazi.
4. Lawula ubungako kanye nokusakazeka kwefomula
Umphumela wokuqina weI-HPMCAkagcini nje ngokwenza umkhiqizo ube mkhulu, kepha futhi ulawula uketshezi lomkhiqizo, okwenza lulungele ukusetshenziswa. Ikakhulu eminye imikhiqizo ye-lotion kanye ne-gel, ukusetshenziswa kwe-hydroxypropylllylylylylyl methylcellulose kungathuthukisa ukufana kwesicelo, okuvumela umkhiqizo ukuthi usakaze kahle esikhunjeni ngaphandle kokudonsa noma ukungcola.
Kwamanye okhilimu wamehlo noma imikhiqizo yokunakekelwa kwe-topical, ukungezwa kwe-hydroxypropyll methylcellulose kungathuthukisa ngempumelelo ubushelelezi bohlelo lokusebenza, okuvumela umkhiqizo ukuthi usetshenziswe ezindaweni ezibucayi zesikhumba ngaphandle kokubangela ukungaphatheki kahle.
5. Njenge-ejenti yokumisa okwesikhashana
I-Hydroxypropylm methylcellulose ivame ukusetshenziswa njenge-ejenti esombile emikhiqizweni yokunakekelwa kwesikhumba, ikakhulukazi lawo aqukethe izithako ezisebenzayo noma izithako ze-granular. Kungavimbela ngempumelelo ukwehlukana noma ukuhlukaniswa kwezithako eziqinile (njengezinhlayiya zamaminerali, ukukhishwa kwezimbiwa, njll.), Qinisekisa ukuthi zonke izithako ezisefomula zisatshalaliswa ngokulinganayo, futhi zigweme imiphumela ngenxa yemvula noma ukubekwa phansi.
Isibonelo, kwezinye imaski yobuso equkethe izinhlayiya ze-scrub noma izitshalo ezikhishwe, i-hpmc ingasiza ukugcina ukusatshalaliswa kwezinhlayiya, ngaleyo ndlela kuthuthukise ukusebenza komkhiqizo.
I-6. IMnene futhi ayicasuli
Njengoba isithako sikhishwe kusuka ku-cellulose yemvelo, i-hydroxypropylm methylcellulose ngokwayo ine-biocomplution enhle kanye ne-hypoallergenicicity, ngakho-ke ilungele zonke izinhlobo zesikhumba, ikakhulukazi isikhumba esibucayi. Ubumnene bakhona bukwenza kube okuphephile ukusebenzisa imikhiqizo ehlukahlukene yokunakekelwa kwesikhumba ngaphandle kokubangela ukucasuka noma ukungaphatheki esikhunjeni.
Lesi sici senza i-HPMC isithako esithandwayo semikhiqizo eminingi lapho sithuthukisa imikhiqizo yesikhumba esibucayi, ukunakekelwa kwesikhumba sengane, nemikhiqizo engenangeze.
7. Thuthukisa imisebenzi ye-antioxidant kanye nokungcola kokungcola
Ezinye izifundo zikhombisile ukuthi ukwakheka kwamangqamuzana kwe-hydroxypropyllylylylylyllose, okususelwa emvelweni, kungahlinzeka ngokuvikelwa kokungcola nokungcola ngezinga elithile. Emikhiqizweni yokunakekelwa kwesikhumba, ingasetshenziswa ngokubambisana nezinye izithako ze-antioxidant (ezinjengevithamini C, Vitamin E, njll.) Ukusiza ukususa ama-radicals wamahhala futhi wehlise ijubane lokuguga kwesikhumba. Ngaphezu kwalokho, ukwakheka kwe-hpmplic ye-HPMC kungasiza ukuvikela isikhumba kusuka kungcola emoyeni.
Hydroxypropyl methylcelluloseIdlala indima ehlukahlukene emikhiqizweni yokunakekelwa kwesikhumba. Akukwazi kuphela ukusebenza njengesikhumuli kanye ne-stabilizer ukuthuthukisa ukuthungwa nokuzizwa ngomkhiqizo, kepha futhi kunemisebenzi ebalulekile efana nokuthambisa, ukwenza ngcono isikhumba. Njengesithako esimnene nesisebenzayo, kungathuthukisa ukusebenza kahle kwemikhiqizo yokunakekelwa kwesikhumba kanye nesipiliyoni sabathengi. Isetshenziswa kabanzi kwimikhiqizo ehlukahlukene yokunakekelwa kwesikhumba efana nokhilimu wobuso, ama-lotion, izihlanza zobuso, kanye nemidlalo yobuso. Njengoba ukufunwa kwezithako zemvelo kanye nemikhiqizo yokunakekelwa kwesikhumba emnene iyaqhubeka nokwanda, i-hydroxypropyllylylylylykyl iyoqhubeka nokudlala indima ebalulekile ekuthuthukisweni komkhiqizo wokunakekelwa kwesikhumba okuzayo.
Isikhathi sePosi: Dece-12-2024