ingxenyetho yobugcino lekojic acid
Umoya wokugcina umthwalo lweKojic acid ulandelayo ukuthi kuhlelwa okubhekisele kwisezulwini lokusebenza ngekuphakamisana nokuhlola lesibayesi, uhlola uphawu olukhulu lokungafanelela lokuhlola iziphumo zomphandle. Ukufundiswa olunikezayo kuhlanganisa amaphathiso amahle okanyekezekile kokugcina umthwalo wekojic acid, eshiyekileyo kusuka emfene yobukhulu bengcula ngempumelelo yokuqabula, ngezinto ezihlabeleka ezinikezela ukukhupha umdlalo. Umoya wokugcina ufunda phakathi kwesilayithi sokugcina umtyosinase, yesinye sijimo esikhethelako umthwalo wemelanin, uhlola imigomo yokugcina, amasipho amadala, kunye nomdabu omkhulu wesibayesi. Umgama olumelwe kakhulu ungenze ukufika phakathi kwezilayithi zesibayesi, uzokusetyenziswa kakhulu ngokushesha kunye nokuhlola ukudibanisa. Okungavakalayo okusetshenziswa kuhlu le nto kukhona kwindawo yakwabo: xa umthwalo wekojic acid ufunda ukungacabanga umelanin, amaphathiso amahlabeleka wemoya wokugcina akhupha umdlalo kunye nokuhlola umsebenzi wesibayesi. Lento nenkinga elincane le-pH elingezise ukungafanelela nesibayesi somnyama kunye nokungaphezulu, ngokuba ikhwenkethi lakho lokusebenza lwekojic acid lindiza ukusebenza ngokukhulu ngokucabanga ukungazimiselela iindlela ezidingekayo. Abashethi abaningi bazohlala amaxhobo angaphambili xa kuzama ukusebenza ngokubonakale kwezi 4-8 izikati, ngoba umoya wokugcina ufunda ngokushesha ukukhupha umdlalo omkhulu kunye nokuhlola umndabu omkhulu wesibayesi.