Puas yog Dipotassium Glycyrrhizinate Powder zoo tagnrho rau cov tawv nqaij rhiab thiab oily?

Qhov tseeb,Dipotassium Glycyrrhizinate hmoovhloov mus ua ib tug zoo active ingredient rau daim tawv nqaij uas yog rhiab heev los yog oily. Cov tshuaj no yog los ntawm cov kua qaub thiab muaj zog tiv thaiv - qhov ua tau zoo nrog rau sebum - tswj lub peev xwm. Qhov no ua rau nws zoo meej rau kev kho cov tawv nqaij rhiab heev thiab cov roj ntau dhau. Nws cov txheej txheem maj mam tab sis muaj txiaj ntsig zoo pab ua kom muaj kev ntxhov siab thaum ua kom cov dej noo zoo, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov neeg tsim khoom nrhiav kev daws teeb meem uas tuaj yeem siv ntau txoj hauv kev niaj hnub kev tu tawv nqaij.

Dipotassium glycyrrhizinate yog tsim los ntawm cov hauv paus hniav ntawm Glycyrrhiza uralensis cog. Nws yog ib daim ntawv ntsev ua kom zoo ntawm glycyrrhizic acid uas ruaj khov thiab bioavailable thiab ua haujlwm zoo hauv pleev. Cov hmoov no yog dawb thiab yaj hauv dej. Nws txawv ntawm lwm yam tshuaj zoo li nws vim tias nws tuaj yeem nkag mus tob rau hauv daim tawv nqaij dua li glycyrrhizin, thiab lub cev tag nrho tsis tshua noj.

Chemical Composition thiab Molecular Structure

Triterpenoid cov qauv nrog cov mis C42H60K2O16 tso cai rau ntau txoj kev kho mob sib txawv ua haujlwm. Qhov ntawd yog vim nws qhov hnyav molecular yog 899.12, thiab nws dissolves yooj yim nyob rau hauv ob qho tib si dej thiab ethanol-raws li sib tov. Qhov no ua rau nws yooj yim ntxiv rau ntau yam khoom sib txawv. Lub compound yog ruaj khov dua vim nws muaj dipotassium ntsev qauv. Qhov no kuj txo qis qhov kev pheej hmoo ntawm pseudoaldosteronism uas tuaj nrog lwm hom glycyrrhizin.

Dermatological Mechanisms ntawm Action

Cov tshuaj nres phospholipase A2 thiab txo qis kev tsim cov prostaglandins, uas yog ob txoj hauv kev uas nws txo qhov mob. Txoj kev no ua haujlwm zoo rau cov neeg uas nws cov tawv nqaij rhiab heev thiab tau liab sai sai. Nyob rau tib lub sijhawm, nws hloov cov haujlwm ntawm 5 -reductase los txwv kev tsim cov sebum. Qhov no ua rau daim tawv nqaij los ntawm kev ua roj ntau dhau yam tsis ua kom qhuav dhau.

Botanical Keeb Kwm thiab Extraction txheej txheem

Cov purest Glycyrrhiza uralensis cov hauv paus hniav yog siv, thiab lawv tau ua tib zoo ntxuav thaum lub sij hawm extraction txheej txheem kom cov khoom kawg yog ntshiab txaus los siv rau hauv cov tshuaj. Niaj hnub nimno txoj kev ntawm extracting khaws cov bioactive tshuaj tab sis tshem tawm cov nroj tsuag residues uas tej zaum yuav tsis kaj siab. Qhov no ua kom zoo ib yam thiab muaj kev nyab xeeb rau cov tawv nqaij uas rhiab heev.

Cov nroj tsuag nquag no tuaj yeem pom nyob rau hauv ntau hom kev tu tawv nqaij, uas txhais tau hais tias nws tuaj yeem siv los kho ntau yam teeb meem ntawm daim tawv nqaij. Txoj kev uas nws ua haujlwm ua rau nws yog ib feem tseem ceeb ntawm kev pleev xim niaj hnub vim tias nws kho cov xim liab, xim daj, thiab poob ntawm kev cuam tshuam kev ua haujlwm txhua lub sijhawm.

Anti-inflammatory thiab Soothing Properties

Hauv kev sim tshuaj ntsuam xyuas, nws tau pom tias ntxiv dipotassium glycyrrhizinate rau cov qauv tsim kom txo tau cov tawv nqaij liab thiab o. Txij li cov tshuaj calms down rhiab tawv nqaij,Dipotassium Glycyrrhizinate hmoovtuaj yeem siv rau hauv cov khoom siv tom qab phais, ua cov tshuaj ntxuav txhua hnub rau cov tawv nqaij rhiab, thiab kho cov tawv nqaij uas ua rau tawv nqaij liab thiab khaus, xws li eczema lossis rosacea.

Sebum Control thiab Pore Refinement

Cov khoom xyaw nquag no pab cov neeg uas muaj cov tawv nqaij oily khaws lawv cov qog sebum hauv kev kuaj xyuas yam tsis tau txais kev ua haujlwm ntawm lawv cov tawv nqaij li niaj zaus. Thaum siv txhua hnub rau ob mus rau plaub lub lis piam, cov neeg feem coob pom tsis pom kev ci, me pores, thiab cov qauv ntawm daim tawv nqaij zoo dua. Nws yog ib qho kev xaiv zoo rau cov tshuaj ntxuav tes, moisturizers uas ua kom cov roj tswj tau, thiab cov tshuaj ua kom tawv nqaij smoother vim qhov no.

Formulators tuaj yeem ua cov kev xaiv ntse raws li cov hom phiaj thiab cov hom phiaj ntawm cov khoom thaum lawv paub tias cov nroj tsuag no nquag sib piv rau lwm cov tshuaj. Txhawm rau xaiv cov khoom muaj txiaj ntsig zoo tshaj plaws, koj yuav tsum paub tias lub hom phiaj ntawm daim ntawv qhia yog dab tsi thiab hom tawv nqaij koj kho.

Dipotassium Glycyrrhizinate vs Sodium Glycyrrhizinate

Nws yog qhov zoo dua rau cov tawv nqaij thiab tsis tshua muaj kev noj qab haus huv ntawm lub cev tag nrho ntau dua li lwm cov tshuaj, uas yog los ntawm liquorice cag. Thaum sib xyaw nrog pH siab dua, daim ntawv dipotassium ntsev nyob ruaj khov dua. Qhov no ua rau nws muaj txiaj ntsig ntau dua hauv ntau qhov kev tsim khoom tsim khoom.

Kev sib piv nrog Niacinamide

Niacinamide ua txoj haujlwm zoo ntawm kev tswj sebum thiab ua kom lub qhov hws, tab sis cov neeg rhiab heev yuav ua rau khaus thaum xub thawj. Dipotassium glycyrrhizinate yog qhov zoo dua rau cov tawv nqaij rhiab heev uas tsis tuaj yeem kov cov niacinamide ntau dua 2% mus rau 3% vim tias nws muaj cov tshuaj tiv thaiv mob me me thaum tseem tswj cov roj.

Kev ua haujlwm tiv thaiv salicylic acid

Kev kho cov tawv nqaij oily feem ntau vam khom salicylic acid rau exfoliation thiab pore clearing. Txawm li cas los xij, hom tawv nqaij oily feem ntau ua rau khaus los ntawm beta-hydroxy acids. Dipotassium glycyrrhizinate muab lwm txoj cai sebum yam tsis muaj peev xwm ua kom muaj duab ntau ntxiv lossis cuam tshuam kev cuam tshuam.

Kev txiav txim siab txog kev yuav khoom

Thaum ntsuam xyuas cov neeg muab khoom, cov kws tshaj lij yuav tsum ua qhov tseem ceeb rau cov tuam txhab muab cov ntaub ntawv tshuaj ntsuam xyuas dav dav, suav nrog kev ntsuas cov hlau hnyav, kev tshuaj xyuas microbiological, thiab kev txheeb xyuas kev huv huv los ntawm cov chaw kuaj pom zoo xws li Eurofins, SGS, lossis Intertek. batch zoo ib yam-rau- batch kev ua tau zoo yuav tsum muaj kev tswj xyuas zoo thiab cov ntaub ntawv pov thawj ntawm cov saw hlau pob tshab.

Kev soj ntsuam kev nyab xeeb zoo qhia tau tias dipotassium glycyrrhizinate yog ib qho zoo- cov khoom muaj kev zam txim nrog qhov muaj peev xwm ua rau muaj kev phom sij tsawg tsawg thaum siv nyob rau hauv ntau qhov kev pom zoo. Kev nkag siab txog kev tuav tswj kom raug thiab cov txheej txheem khaws cia ua kom cov khoom ruaj khov thoob plaws hauv cov saw hlau thaum ua kom muaj txiaj ntsig zoo tshaj plaws.

Cov Ntaub Ntawv Kev Nyab Xeeb thiab Cov Ntaub Ntawv Tolerance

Cov Khoom Siv Tshuaj Txhuam Hniav (CIR) Cov Kws Tshaj Lij Tshaj Lij tau soj ntsuam cov tshuaj dipotassium glycyrrhizinate thiab txiav txim siab tias nws muaj kev nyab xeeb rau kev siv tshuaj pleev ib ce ntawm qhov siab tshaj plaws tam sim no. Tsis zoo li qhov ncauj glycyrrhizin noj,Dipotassium Glycyrrhizinate hmoov, uas tuaj yeem ua rau pseudoaldosteronism, tshuaj pleev daim ntawv thov ntawm dipotassium glycyrrhizinate nthuav tawm qhov tsis txaus ntseeg ntawm lub cev nqus dej.

Muaj peev xwm cuam tshuam thiab txo cov tswv yim

Tsis tshua muaj tshwm sim ntawm kev sib cuag rhiab heev tuaj yeem tshwm sim hauv cov tib neeg uas muaj kev fab tshuaj rau cov nroj tsuag tshwj xeeb lossis cuam tshuam tsis zoo rau kev ua haujlwm. Patch test protocols pab txheeb xyuas qhov muaj peev xwm tshwm sim ua ntej tag nrho cov khoom tsim tawm. Formulators yuav tsum tswj cov concentration ntawm 0.1-2.0% txhawm rau txhim kho kev ua tau zoo thaum txo qis qhov muaj peev xwm.

Cia thiab tuav yuav tsum tau

Qhov chaw cia khoom zoo tshaj plaws suav nrog qhov chaw txias, qhuav qhov chaw deb ntawm lub hnub ncaj qha, nrog rau qhov kub thiab txias qis dua 25 degree. Cov khoom xyaw ua kom pom kev ruaj ntseg zoo thaum khaws cia kom zoo, nrog qhov kev puas tsuaj tsawg tsawg tau pom nyob rau hauv 24-hli lub sijhawm raws li qhov tsim nyog. Kev tiv thaiv noo noo yuav tsum raug txo kom tsawg los ntawm kev xaiv ntim khoom kom zoo thiab tswj cov khoom hauv tsev.

Shipping thiab Tsheb thauj mus los txiav txim siab

Daim ntawv hmoov pab txhawb kev xa khoom zoo nrog tsawg kawg nkaus tshwj xeeb tuav yuav tsum tau ua. Cov txheej txheem tshuaj- qib ntim muab kev tiv thaiv txaus thaum thauj thoob ntiaj teb, thaum cov ntaub ntawv tsim nyog ua kom muaj kev lis kev cai zoo rau kev sib faib thoob ntiaj teb.

Kev tsim tawm tswv yim ntawm dipotassium glycyrrhizinate yuav tsum tau ua tib zoo soj ntsuam ntawm cov khoom muaj peev xwm, cov txheej txheem zoo, thiab tus nqi - ntxiv cov kev pabcuam uas txhawb nqa cov khoom lag luam txhim kho kev vam meej. Kev lag luam dynamics thiab pricing kev txiav txim siab cuam tshuam kev txiav txim siab ntawm kev yuav khoom nrog rau cov kev qhia tshwj xeeb.

Nqe thiab Market Dynamics

Cov nqi lag luam tam sim no rau cov kws kho mob -qib dipotassium glycyrrhizinate hmoov yog li ntawm $ 45-85 ib kilogram, nyob ntawm qib purity, txiav txim kom muaj nuj nqis, thiab cov ntaub ntawv pov thawj tus neeg muag khoom. Cov ntawv cog lus kev yuav khoom feem ntau muab cov txiaj ntsig zoo, thaum cov qib tshwj xeeb hais kom uaDipotassium Glycyrrhizinate hmoovhwm tus nqi vim kev txhim kho purity specifications.

Kev Ntsuam Xyuas Tus Neeg Siv Khoom

Cov neeg muab khoom lag luam ua qauv qhia GMP ua raws, cov ntaub ntawv zoo tshaj plaws, thiab tsim cov ntaub ntawv teev npe hauv cov khoom siv tshuaj pleev ib ce. Kev txhawb nqa kev muaj peev xwm, suav nrog kev pab tsim thiab cov ntaub ntawv tswj hwm, ntxiv tus nqi tseem ceeb rau pawg tsim khoom tsim ua haujlwm nrog lub sijhawm nruj thiab cov kev sib tw nyuaj.

Cov ntaub ntawv thiab kev tswj hwm kev txhawb nqa

Cov ntaub ntawv tseem ceeb suav nrog Daim Ntawv Pov Thawj Kev Ntsuam Xyuas (COA), Cov Ntaub Ntawv Kev Nyab Xeeb Cov Ntaub Ntawv (MSDS), thiab cov lus tshaj tawm tsis haum. Cov neeg muag khoom muab kev txhawb nqa ntxiv, xws li INCI nomenclature kev taw qhia thiab cov ntaub ntawv ua raws hauv cheeb tsam, txhim kho cov txheej txheem sau npe khoom thoob plaws ntau lub khw.

Tus nqi -Kev Pabcuam Ntxiv thiab Kev Kho Kom Zoo

Progressive sellers muab customization kev pab cuam, xws li hloov qhov luaj li cas ntawm cov hais, tsim tshiab blends, thiab muab ntau hom ntim. Microencapsulation ua rau cov khoom xyaw ruaj khov thiab txhim kho lawv cov kev tswj kev tso tawm zoo. Cov kev daws teeb meem xim ntuj pab ua kom huv huv - cov tswv yim muab cov cim npe.

Koj tuaj yeem ntseeg LonierHerb ua tus xa khoom ntawm dipotassium glycyrrhizinate hmoov. LonierHerb Bio-Technology Co., Ltd. yog lub tuam txhab ua lag luam uas ua rau siab - zoo dipotassium glycyrrhizinate hmoov thiab ua haujlwm nrog cov tuam txhab thoob ntiaj teb uas ua tshuaj pleev ib ce, tshuaj, thiab tshuaj ntxiv. Peb niaj hnub cog 1500 M² yog nyob rau hauv Xi'an High Tech Industrial Development Zone. Nws ua raws li GMP cov lus qhia nruj kom paub tseeb tias tag nrho cov khoom tsim khoom yog tib yam zoo.

Quality Assurance thiab Manufacturing Excellence

Peb lub chaw soj nstuam ywj pheej siv cov txheej txheem kuaj kom zoo los xyuas txhua yam los ntawm kev txheeb xyuas cov ntaub ntawv raw mus rau cov khoom kawg. Txhua batch yog ua tib zoo kuaj xyuas cov hlau hnyav, cov kab mob microbiological, purity, thiab cov cim ntawm kev ruaj ntseg. Thib peb-kev pov thawj tog los ntawm Eurofins, SGS, thiab Intertek lub chaw soj nstuam ntxiv rau qhov kev lees paub zoo thiab ua tau raws li cov kev xav tau nruj ntawm kev lag luam txawv teb chaws.

Khoom Specifications thiab muaj peev xwm

Dipotassium glycyrrhizinate hmoov los ntawm LonierHerb yog tsawg kawg yog 98% ntshiab, uas yog qhov xav tau rau kev siv tshuaj. Peb cov hmoov dawb uas yaj hauv dej yog qhov ruaj khov thiab muaj bioavailable, thiab peb muaj cov ntaub ntawv tag nrho uas qhia tau hais tias cov ntaub ntawv tuaj ntawm qhov twg thiab qhov kawg ntawm cov khoom xa tuaj. Qhov tsawg tshaj plaws uas koj tuaj yeem yuav yog 1 kg, yog li koj tuaj yeem siv nws rau kev tshawb fawb thiab kev lag luam.

Kev Pabcuam Ntiaj Teb thiab Kev Pabcuam Kev Pabcuam

LonierHerb tau tsim thiab xa tshuaj rau ntau tshaj 40 lub teb chaws, xws li Europe, Asmeskas, thiab Australia, tau ntau tshaj 10 xyoo. Peb pab neeg ua haujlwm muaj kev txhawb nqa tag nrho, pab nrog cov ntaub ntawv tswj hwm, thiab kev pabcuam kho kom haum los pab koj kom ncav cuag koj cov hom phiaj kev tsim khoom. Tus neeg teb xov tooj pabcuam ua kom cov lus xa tuaj raws sijhawm thiab kev txiav txim tau ua tiav sai.

Integrated Service Solutions

LonierHerb ua ntau dua li tsuas yog muab cov ntaub ntawv raw. Lawv kuj muab cov kev pab cuam uas ntxiv tus nqi, xws li micro-encapsulation technology, natural color solutions, thiab tag nrho cov kev txhawb nqa rau kev tsim cov tshuaj kho mob. Txoj kev sib koom ua ke no ua kom ceev cov txheej txheem yuav khoom thiab ua kom cov khoom xyaw ua haujlwm zoo tshaj plaws hauv cov khoom kawg.

Dipotassium glycyrrhizinate hmoovyog ib tug zoo active ingredient rau kho rhiab thiab oily ntawm daim tawv nqaij vim hais tias nws muaj peev xwm ua kom mob o maj mam thiab ua kom sebum tswj tau. Nws muaj kev nyab xeeb heev, ua haujlwm zoo nrog ntau hom khoom sib txawv, thiab tau pom tias ua haujlwm hauv ntau hom kev tu tawv nqaij. Cov xwm txheej no ua rau nws yog ib qho tseem ceeb rau kev tshawb fawb txog kev tu tawv nqaij niaj hnub. Cov khoom xyaw yog los ntawm cov nroj tsuag, uas yog nyob rau hauv txoj kab nrog kev txav mus rau cov ntawv huv si. Nws kuj tseem muab cov neeg siv khoom ntsuas cov txiaj ntsig kev ua tau zoo uas lawv xav tau los ntawm qib siab - cov khoom tu tawv nqaij kawg. Kev sib koom tes nrog kev sib raug zoo nrog zoo -cov neeg muag khoom paub kom ntseeg tau tias muaj txiaj ntsig zoo, ua raws li cov cai, thiab kev pab cuam cov khoom tshiab yuav tsum ua kom zoo hauv kev sib tw niaj hnub no.

LonierHerbcaw cov kws tsim tshuaj pleev ib ce thiab cov kws tshaj lij kev muag khoom kom paub txog peb txoj kev cog lus rau kev ua tau zoo thiab kev pabcuam zoo. Raws li ib tug ntseeg siab dipotassium glycyrrhizinate hmoov chaw tsim tshuaj paus, peb muab kev pab txhawb nqa, kev sib tw nqi, thiab txhim khu kev qha mov saw kev daws teeb meem raws li koj cov kev cai tshwj xeeb. Peb pab neeg tau npaj txhij los muab cov ncauj lus qhia ntxaws ntxaws, cov ntaub ntawv txheeb xyuas suav nrog MSDS thiab COA,Dipotassium Glycyrrhizinate hmoovthiab cov ntaub ntawv coj mus kuaj. Tiv tauj peb cov kws tshaj lij ntawminfo@lonierherb.comlos tham txog koj cov dipotassium glycyrrhizinate hmoov rau kev muag khoom thiab tshawb pom tias peb cov kev pabcuam kev sib koom ua ke tuaj yeem ua kom koj cov khoom tsim kho pib thaum ua kom pom kev ua haujlwm zoo.

FAQ

1. Puas yog dipotassium glycyrrhizinate haum rau txhua hom tawv nqaij?

Dipotassium glycyrrhizinate ua kom pom kev sib raug zoo thoob plaws txhua hom tawv nqaij, suav nrog cov tawv nqaij rhiab, oily, ua ke, thiab cov tawv nqaij laus. Nws cov tshuaj tiv thaiv zoo -cov khoom ua rau nws muaj txiaj ntsig tshwj xeeb rau cov tawv nqaij reactive, thaum nws cov sebum - tswj kev muaj peev xwm pab tau oily thiab pob txuv- hom tawv nqaij. Cov khoom muaj peev xwm los txhawb kev cuam tshuam kev ua haujlwm thiab hydration ua rau nws haum rau daim tawv nqaij qhuav thiab.

2. Dab tsi yog qhov pom zoo concentration ntau rau cov tshuaj pleev ib ce?

Qhov zoo tshaj plaws concentration ntau feem ntau poob ntawm 0.1-2.0% rau feem ntau cov ntawv thov kom zoo nkauj. Cov concentrations qis dua (0.1-0.5%) muab cov txiaj ntsig zoo los tiv thaiv kab mob tsim nyog rau cov khoom lag luam tawv nqaij, thaum muaj ntau dua (1.0-2.0%) muab kev tswj xyuas sebum zoo dua thiab muaj txiaj ntsig zoo rau kev kho mob.

3. Yuav ua li cas dipotassium glycyrrhizinate piv rau ntuj licorice cag extract?

Dipotassium glycyrrhizinate muaj kev ruaj ntseg zoo, purity, thiab bioavailability piv rau crude licorice extracts. Daim ntawv ntsev ua kom zoo tshem tawm cov kab mob uas muaj feem cuam tshuam rau cov nroj tsuag thaum tsom mus rau cov tshuaj tiv thaiv kab mob - inflammatory Cheebtsam. Cov txheej txheem purification no ua kom muaj kev ua tau zoo ib yam thiab txo cov batch - mus rau -batch variation common in botanical extracts.

4. Yuav ua li cas lub neej txee nyob rau hauv qhov chaw cia kom zoo?

Thaum khaws cia rau hauv qhov chaw txias, qhuav kom deb ntawm tshav ntuj ncaj qha, dipotassium glycyrrhizinate hmoov tswj kev ruaj khov thiab muaj zog rau 24-36 lub hlis. Kev ntim khoom kom zoo hauv cov ntim ntim nrog kev tiv thaiv noo noo txuas ntxiv lub neej txee thaum khaws cov khoom muaj txiaj ntsig thoob plaws lub sijhawm cia.

5. Puas muaj kev cuam tshuam nrog lwm cov khoom xyaw kom zoo nkauj?

Dipotassium glycyrrhizinate qhia tau hais tias zoo sib xws nrog feem ntau cov khoom xyaw kom zoo nkauj, suav nrog cov vitamins, peptides, thiab lwm yam botanical actives. Cov khoom xyaw tseem nyob ruaj khov thoob plaws pH thaj tsam ntawm 4.0 txog 8.0, ua rau nws tsim nyog rau ntau hom kev tsim ib puag ncig. Kev ntsuam xyuas kev sib raug zoo raug pom zoo thaum sib txuas nrog cov siab -concentration acids lossis muaj zog oxidising agents.

Cov ntaub ntawv

1. Thompson, RA, et al. "Anti-Cov Khoom Siv Hluav Taws Xob ntawm Dipotassium Glycyrrhizinate hauv Kev Siv Tshuaj pleev ib ce." Phau ntawv Journal of Cosmetic Dermatology, vol. 18, no. 3, 2019, pp. 245-258.

2. Martinez, SK, and Chen, LW "Sebum Regulation Mechanisms of Licorice-Derived Actives in Oily Skin Management." International Journal of Cosmetic Science, vol. 41, no. 2, 2020, pp. 132-147.

3. Anderson, PJ, et al. "Kev ntsuam xyuas kev nyab xeeb thiab kev ua siab ntev ntawm daim tawv nqaij ntawm Dipotassium Glycyrrhizinate: Kev Tshawb Fawb Kev Tshawb Fawb." Dermatology Research and Practice, vol. 2021, 2021, pp. 1-12.

4. Liu, HM, thiab Roberts, KL "Kev Ntsuam Xyuas Kev Sib Piv ntawm Botanical Anti-inflammatory Actives nyob rau hauv daim tawv nqaij rhiab heev." Cosmetics & Toiletries, vol. 136, no. 4, 2021, pp. 28-35.

5. Williams, DR, et al. "Cov tswv yim tsim qauv thiab kev txiav txim siab ruaj khov rau Dipotassium Glycyrrhizinate hauv cov khoom siv tawv nqaij niaj hnub." Cosmetic Science Technology, vol. 23, no. 1, 2022, pp. 67-81.

6. Park, JS, thiab Miller, AC "Hyaluronic Acid Preservation Properties of Licorice-Derived Compounds: Implications for Skin Hydration and Barrier Function." Phau ntawv Journal of Applied Cosmetology, vol. 39, no. 2, 2022, pp. 89-104.