Salicylic Acid - Properties
Ichi chigadzirwa chichena chakanaka chetsono crystal kana chena crystalline powder; isina kunhuwa kana kuti inenge isina kunhuwa; aqueous solution inoratidza acidic reaction. Ichi chigadzirwa chinonyungudika zviri nyore mu ethanol kana ether, soluble mumvura iri kufashaira, zvishoma soluble mu trifluoromethane, zvishoma soluble mumvura.
Nhanganyaya yeSalicylic Acid
Salicylic acid, inozivikanwawo se salicylic acid, ichena crystalline poda, isinganhuhwi, ine inovava zvishoma uyezve kuravira kwakashata. Inowanikwa muwillow bark, chena pearl mashizha uye inotapira birch mune zvakasikwa. Kemikari formula C6H4 (OH) (COOH), nzvimbo yekunyungudika 157-159 ℃, zvishoma nezvishoma inoshandura ruvara pasi pechiedza. Hukama density ndeye 1.44. Iyo yekubikira inenge 211°C/2.67kPa. Sublimation pa76°C. Pasi pekumanikidzwa kwakajairika, inogona kuderedzwa kuita phenol uye carbon dioxide nekukurumidza kupisa. Soluble mu ethanol, ether, chloroform, benzene, acetone, turpentine, isinganyunguriki nyore mumvura. 1g ye salicylic acid inogona kunyungudutswa mu 460ml yemvura, 15ml yemvura iri kufashaira, 2.7ml ye ethanol, 3ml ye acetone, 3ml ye ether, 42ml ye chloroform, 135ml ye benzene, 52ml ye turpentine 60ml ye 60ml ye turpentine ne 8ml glycol ye 8ml ye turpentine ether. Kuwedzera sodium phosphate, borax, nezvimwewo zvinogona kuwedzera kunyungudika kwe salicylic acid mumvura. Iyo pH yeaqueous salicylic acid mhinduro ndeye 2.4. Salicylic acid uye ferric chloride aqueous solution inoburitsa yakasarudzika ruvara rwepepuru.
Iwe unogona kunge usina kunzwa nezve salicylic acid, asi iwe unofanirwa kunge uchiziva nezve aspirin. Kutaura zvazviri, aspirin inotorwa kubva kune salicylic acid.Kuwedzera kune yakagadzirwa salicylic acid mune mamwe madhiragi, salicylic acid yakasikwa inewo zvakawanda zvekudya, zvakadai semichero yakawanda, miriwo, kofi, tii, nzungu, zvinonhuwira uye uchi. Izvi zvakasikwa salicylic acids zvinomera A nzira yekuzvidzivirira kune zvipembenene, fungi uye zvirwere.Zvisinei, salicylic acid, ingave yakasikwa kana yakagadzirwa, inogona kukonzera kukanganisa kwakaipa kune vamwe vanhu.Kusagadzikana kweSalicylate kunowanzoenderana nemishonga yaunotora, sezvo mishonga. se aspirin ine huwandu hwepamusoro hwe salicylates kana ichienzaniswa nechikafu. Semuenzaniso, kudya kwekudya kwe salicylic acid kunowanzoita 10-200 mg pazuva, zvichienzaniswa ne325-650 mg yepimo ye aspirin.Zvidzidzo zvakawana kuti aspirin inowedzera njodzi yechirwere chemudumbu.
Salicylic Acid - Kuenzaniswa neAHAs yeCosmetic Effects
Salicylic acid (BHA) inotorwa kubva kune willow bark uye holly mashizha, anozivikanwawo semiriwo acid; muchero asidi (AHA) inotorwa kubva munzimbe; iasidhi inotorwa kubva muzvinhu zviviri zvakasiyana. Ose ari maviri anogona kudzora oiri, exfoliate, yakajeka mburwa, shrink pores, uye kupera kuremara. Chibereko che acid peel ine huwandu hunopfuura 50% inogona kungoshandiswa nedermatologist, nepo salicylic acid peel inorondedzerwa sekurapa kwekurapa zvisinei nekusungwa. Zvakakosha kucherechedza kuti vanhu vashomanana havana kukodzera kushandisa chero huwandu hwemvura. Salicylic acid, saka general beauty salons haakwanise kuishandisa. Izvo zvinotenderwa zviri pamutemo kuita ganda peeling ine musanganiswa wemichero acid iri pasi pe40% mumasaroni ekunaka. Mukuenzanisa, asidhi yemuchero yakachengeteka zvakanyanya kupfuura salicylic acid. Kana iri iyo mhedzisiro, salicylic acid inongovharirwa mune yepamusoro stratum corneum, inongotora basa rekurapa kuri nyore uye kuvharira, uye shanduko yeganda reganda rinongove kwenguva pfupi, nepo muchero acid inopinda mudermis kuti ichinje ganda. zvinogona kurapwa. Hongu, kana ari magomba emapundu akaumbwa nedermis yakakuvadzwa, mhedzisiro ye salicylic acid haina simba, saka salicylic acid haigone kunzi "salicylic acid peeling", inogona kunzi "salicylic acid kurapwa". Kuchengetedzeka uye mhedzisiro ye salicylic acid peeling uye muchero acid peeling zvakasiyana, nekuti muchero asidhi haina chepfu uye inogona kushandiswa kubva pasi kusvika kumusoro (8% -15% -20% -30% -40%), zvishoma nezvishoma ichichinjika. hazvizokonzeri kutsva kweganda, kukanganisa kana chero mhedzisiro. Uye salicylic acid ine muchetura, yakanyanya kuwanda haikodzeri kushandiswa pachiso, pane imwe nhanho yekumisa, salicylic acid ine 3% -6% inogona kushandiswa pakubvisa, yakakwira kupfuura 6% Inoora paganda. , huwandu hwepamusoro hwe40% salicylic acid ine keratin yakasimba inoparadza zvinhu.
Chii chinoita salicylic acid?
Zvinoenderana nemirairo yeState Food and Drug Administration (CFDA), muganho wepamusoro wekusungwa kwezvizoro ndeye 2%. Izvo zvave zvichiratidzwa kuti 0.5% -2% salicylic acid haina kuchengetedzeka pakurapa mburwa. Hazvikurudzirwe kuti utsvage zvigadzirwa zvine huwandu hwakanyanya. Iyi yekuisa pfungwa yakakwana kuti ishande.
Salicylic acid inogona kunyungudutsa simende pakati pema cuticles uye kuita kuti cuticles idonhe, saka inogona kubvisa gobvu cuticles uye kukurudzira metabolism.
Ganda metabolism: Basa guru re stratum corneum yeganda kuchengetedza masero ega rega reganda. Iyo metabolism ye epidermal masero akaturikidzana ne layer anozogara achifamba kunze. Natural crumbs. Cheratin keratin isingadonhe zvakajairika ichaita kuti ganda riite serakagomara uye rakagomara, inonoke ganda remetabolism rate, uye kunyange kuumba mburwa kuvhara pores.
Mhedzisiro ye exfoliation: Salicylic acid inogona kubvisa cuticle yakawandisa, uye panguva imwechete inokurudzira kukurumidza kuvandudzwa kwemasero epidermal; kana masero epidermal ari matsva uye masero maduku akazara nehupenyu, anozogadzirisa ganda rakatsetseka uye rakapfava.
Shrink pores: Salicylic acid inonyungudika nemafuta, uye inogona kupinda mukati memukati wakadzika wepores pamwe nesebaceous glands iyo inobudisa mafuta, iyo inobatsira kunyungudutsa yekare yakaunganidzwa cuticles mumapores uye kugadzirisa mamiriro ekuvhara ma pores, saka inogona kuvhara. kuumbwa kwemburwa nekuipwanya.
Kudzivirirwa kweacne: Salicylic acid inoshanda pamaseru ebvudzi follicle madziro, ayo anogona kubatsira kubvisa akavharika bvudzi follicles uye kugadzirisa abnormal cell shedding. Inogona kudzivirira kuvhara kwepore kune madiki acne uye inonyanya kushanda kune blackheads. Inogona kuderedza bvudzi follicle wall Abnormal exfoliation, inodzivirira maronda matsva, asi haina simba pakuderedza sebum secretion uye kupedza acne bacilli.
Basa re salicylic acid nderekuchenesa kuchembera cutin, zvichiita kuti ganda rive rakapfava, uye risinganyanyi kuita acne.
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Nguva yekutumira: Mar-08-2023
