{"id":15116,"date":"2026-07-21T08:43:18","date_gmt":"2026-07-21T08:43:18","guid":{"rendered":"https:\/\/www.totarolchina.com\/?p=15116"},"modified":"2026-07-21T08:43:19","modified_gmt":"2026-07-21T08:43:19","slug":"retinol-and-ferulic-acid-overcoming-formulation-instability-and-skin-irritation","status":"publish","type":"post","link":"https:\/\/www.totarolchina.com\/ko\/retinol-and-ferulic-acid-overcoming-formulation-instability-and-skin-irritation\/","title":{"rendered":"\ub808\ud2f0\ub180\uacfc \ud398\ub8f0\uc0b0: \uc81c\ud615 \ubd88\uc548\uc815\uc131 \ubc0f \ud53c\ubd80 \uc790\uadf9 \uadf9\ubcf5"},"content":{"rendered":"<div style=\"max-width: 100%; margin: 0 auto; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333333; line-height: 1.6; font-size: 16px;\">\n    <p style=\"margin-bottom: 16px;\">\uc21c\uc218 \uacb0\uc815\uc9c8 \ub808\ud2f0\ub180\ub85c \uc81c\ud615\uc744 \ub9cc\ub4e4\ub824\uace0 \ud558\uc9c0 \ub9c8\uc138\uc694. <span style=\"color: #B91C1C; font-weight: bold;\">\uc21c\uc218 \uacb0\uc815\uc9c8 \ub808\ud2f0\ub180<\/span>. \uc21c\uc218 \ub808\ud2f0\ub180(98% \ubd84\uc11d)\uc740 \ub9e4\uc6b0 \ubd88\uc548\uc815\ud569\ub2c8\ub2e4. \uc0b0\uc18c, \ube5b, \uc5f4\uc5d0 \ub178\ucd9c\ub418\uba74 \ube60\ub974\uac8c \ubd84\ud574\ub429\ub2c8\ub2e4. \uacf5\uc7a5\uc5d0\uc11c \uc21c\uc218 \ub808\ud2f0\ub180 \ubd84\ub9d0\uc744 \ucde8\uae09\ud558\ub294 \uac83\uc740 \uc791\uc5c5\uc790\uc5d0\uac8c \uc548\uc804\uc0c1\uc758 \uc704\ud5d8\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uc804\ubb38 \uc81c\uc870\uc5c5\uccb4\ub294 \uac70\uc758 \uc804\uc801\uc73c\ub85c \uc548\uc815\ud654\ub41c \ud615\ud0dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 BHT\uac00 \ucca8\uac00\ub41c \ub300\ub450\uc720\uc5d0 \uc6a9\ud574\ub41c \ub808\ud2f0\ub180 \ub610\ub294 <span style=\"color: #047857; font-weight: bold;\">\ub9ac\ud3ec\uc19c \ucea1\uc290\ud654 \ub808\ud2f0\ub180<\/span>.<\/p>\n\n    <p style=\"margin-bottom: 16px;\">\uc81c\ud615 \ub2f4\ub2f9\uc790\ub294 \ub808\ud2f0\ub178\uc774\ub4dc\uc640 \uad00\ub828\ud558\uc5ec \ub450 \uac00\uc9c0 \uc2ec\uac01\ud55c \ubb38\uc81c\uc5d0 \uc9c1\uba74\ud569\ub2c8\ub2e4. \ubcd1 \uc548\uc5d0\uc11c\uc758 \ud654\ud559\uc801 \ubd84\ud574\uc640 \ud53c\ubd80\uc5d0\uc11c\uc758 \uc0dd\ubb3c\ud559\uc801 \uc790\uadf9\uc785\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \ubb38\uc81c\ub294 \ub9ac\ud3ec\uc19c\uc73c\ub85c \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \ubc88\uc9f8 \ubb38\uc81c\ub294 \ud398\ub8f0\uc0b0\uc73c\ub85c \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n    <p style=\"margin-bottom: 16px;\">\ub808\ud2f0\ub180\uc740 \ub808\ud2f0\ub178\ud654(retinization)\ub97c \uc720\ubc1c\ud569\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc740 \uc138\ud3ec \ud134\uc624\ubc84\ub97c \uac00\uc18d\ud654\ud558\uc9c0\ub9cc \uc5fc\uc99d\uc131 \uc0ac\uc774\ud1a0\uce74\uc778\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4. \ud53c\ubd80\uac00 \ubd89\uc5b4\uc9c0\uace0 \uac74\uc870\ud574\uc9c0\uba70 \ubc97\uaca8\uc9d1\ub2c8\ub2e4. \uc18c\ube44\uc790\ub294 \uc774\ub97c \uc2eb\uc5b4\ud569\ub2c8\ub2e4. \ud398\ub8f0\uc0b0\uc740 \uc0dd\ubb3c\ud559\uc801 \uc644\ucda9\uc81c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uac15\ub825\ud55c \uc2dd\ubb3c \uc720\ub798 \ud56d\uc0b0\ud654\uc81c\uc785\ub2c8\ub2e4. \ud53c\ubd80 \uc5fc\uc99d \uc911\uc5d0 \uc0dd\uc131\ub418\ub294 \ud65c\uc131 \uc0b0\uc18c\uc885\uc744 \uc911\ud654\ud569\ub2c8\ub2e4. \uc774 \ub458\uc744 \ud568\uaed8 \uc0ac\uc6a9\ud558\uba74 \uc2ec\uac01\ud55c \ud45c\ud53c \uc7a5\ubcbd \uc190\uc0c1 \uc5c6\uc774 \ub808\ud2f0\ub180\uc758 \ucf5c\ub77c\uac90 \ubd80\uc2a4\ud305 \ud6a8\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n    <h2 style=\"color: #2563EB; font-size: 20px; margin-top: 32px; margin-bottom: 16px;\">\ud604\uc2e4\uc801\uc778 \uc6d0\ub8cc \uc0ac\uc591<\/h2>\n    <p style=\"margin-bottom: 16px;\">\uc774\ub860\uc801\uc778 \uc21c\ub3c4\ub9cc\uc73c\ub85c \uc6d0\ub8cc\ub97c \uc18c\uc2f1\ud558\uc9c0 \ub9c8\uc138\uc694. \uc81c\ud615 \uc801\uc6a9 \uac00\ub2a5\uc131\uc744 \uae30\uc900\uc73c\ub85c \uc18c\uc2f1\ud558\uc138\uc694.<\/p>\n\n    <table style=\"width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px;\">\n        <thead>\n            <tr style=\"background-color: #F3F4F6; text-align: left;\">\n                <th style=\"border: 1px solid #D1D5DB; padding: 12px; color: #1F2937;\">\uc0ac\uc591 \ub9e4\uac1c\ubcc0\uc218<\/th>\n                <th style=\"border: 1px solid #D1D5DB; padding: 12px; color: #1F2937;\">\ub808\ud2f0\ub180(10% \ub9ac\ud3ec\uc19c \ud604\ud0c1\uc561)<\/th>\n                <th style=\"border: 1px solid #D1D5DB; padding: 12px; color: #1F2937;\">\ud398\ub8f0\uc0b0(98% \ucc9c\uc5f0 \ucd94\ucd9c\ubb3c)<\/th>\n            <\/tr>\n        <\/thead>\n        <tbody>\n            <tr>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px; font-weight: bold;\">\uc678\uad00<\/td>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px;\">\ub178\ub780\uc0c9 \ubd88\ud22c\uba85 \uc810\uc131 \uc561\uccb4<\/td>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px;\">\ubc31\uc0c9\uc5d0\uc11c \ubbf8\ud669\uc0c9 \uacb0\uc815\uc131 \ubd84\ub9d0<\/td>\n            <\/tr>\n            <tr style=\"background-color: #FAFAFA;\">\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px; font-weight: bold;\">\ud65c\uc131 \uc131\ubd84 \ubd84\uc11d<\/td>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px; color: #047857; font-weight: bold;\">0% \u2013 11.0% (HPLC)<\/td>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px; color: #047857; font-weight: bold;\">\ucd5c\uc18c 98.0% (HPLC)<\/td>\n            <\/tr>\n            <tr>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px; font-weight: bold;\">\uc6a9\ud574\ub3c4<\/td>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px;\">\ubb3c \ubd84\uc0b0 \uac00\ub2a5<\/td>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px;\">\ubb3c\uc5d0 \uc798 \ub179\uc9c0 \uc54a\uc74c. \ud504\ub85c\ud310\ub514\uc62c, DMI, \uc5d0\ud0c4\uc62c\uc5d0 \uc6a9\ud574\ub428.<\/td>\n            <\/tr>\n            <tr style=\"background-color: #FAFAFA;\">\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px; font-weight: bold;\">\ucd5c\uc801 pH \ubc94\uc704<\/td>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px;\">5.5 &#8211; 6.5<\/td>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px;\">3.0 &#8211; 5.0<\/td>\n            <\/tr>\n            <tr>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px; font-weight: bold;\">Storage Temperature<\/td>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px;\">2\u00b0C \u2013 8\u00b0C (\ub0c9\uc7a5 \ubcf4\uad00)<\/td>\n                <td style=\"border: 1px solid #D1D5DB; padding: 10px;\">\uc0c1\uc628, \ube5b\uc774 \ub2ff\uc9c0 \uc54a\ub294 \uacf3<\/td>\n            <\/tr>\n        <\/tbody>\n    <\/table>\n\n    <h2 style=\"color: #2563EB; font-size: 20px; margin-top: 32px; margin-bottom: 16px;\">\uc81c\ud615 \uacfc\uc81c: \ud45c\uc801 \uc6a9\ub9e4 \uc2dc\uc2a4\ud15c<\/h2>\n    <p style=\"margin-bottom: 16px;\">\uc9c4\uc815\ud55c \uacfc\uc81c\ub294 \uc774\ub4e4\uc744 \ud63c\ud569\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ud398\ub8f0\uc0b0\uc744 \ub2e8\uc21c\ud788 \ubb3c \uc0c1\uc5d0 \ub5a8\uc5b4\ub728\ub9b4 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4. \ub9e4\uc6b0 \uae4c\ub2e4\ub86d\uc2b5\ub2c8\ub2e4. \ubb3c\uc744 80\u00b0C\ub85c \uac00\uc5f4\ud558\uba74 \ud398\ub8f0\uc0b0\uc774 \uc6a9\ud574\ub429\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc5d0\uba40\uc83c\uc774 \ub0c9\uac01\ub418\ub294 \uc21c\uac04 \ub2e4\uc2dc \uacb0\uc815\ud654\ub429\ub2c8\ub2e4. \uacb0\uad6d \uac70\uce5c \uc138\ub7fc\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n    <p style=\"margin-bottom: 16px;\">\ud45c\uc801 \uc6a9\ub9e4 \uc2dc\uc2a4\ud15c\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. <span style=\"font-family: monospace; background-color: #F3F4F6; padding: 2px 6px; border-radius: 4px; color: #4B5563;\">5 g\/100mL<\/span> \ubc0f <span style=\"font-family: monospace; background-color: #F3F4F6; padding: 2px 6px; border-radius: 4px; color: #4B5563;\">\ub514\uba54\ud2f8 \uc774\uc18c\uc18c\ub974\ubc14\uc774\ub4dc (DMI)<\/span> \uc774 \uc870\ud569\uc740 \ub9e4\uc6b0 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n    <div style=\"background-color: #F8FAFC; border-left: 4px solid #3B82F6; padding: 20px; margin: 24px 0; border-radius: 0 4px 4px 0;\">\n        <h3 style=\"margin-top: 0; margin-bottom: 12px; color: #1E40AF; font-size: 17px;\">\uc2e4\uc6a9\uc801\uc778 \ud504\ub808\uc784\uc6cc\ud06c: 0.3% \ub808\ud2f0\ub180 + 0.5% \ud398\ub8f0\uc0b0 \uc138\ub7fc<\/h3>\n        <ol style=\"margin-bottom: 0; padding-left: 20px;\">\n            <li style=\"margin-bottom: 8px;\"><strong>\uc6a9\ub9e4 \uc0c1:<\/strong> \ud398\ub8f0\uc0b0 0.5%\ub97c \ud504\ub85c\ud310\ub514\uc62c 5.0% \ubc0f DMI 3.0%\uc640 \ud63c\ud569\ud569\ub2c8\ub2e4. \uc644\uc804\ud788 \ud22c\uba85\ud574\uc9c8 \ub54c\uae4c\uc9c0 \ubd80\ub4dc\ub7fd\uac8c \uac00\uc5f4\ud569\ub2c8\ub2e4. \uc774\ub97c \uc8fc \ubb3c \uc0c1\uc5d0 \ucca8\uac00\ud569\ub2c8\ub2e4.<\/li>\n            <li style=\"margin-bottom: 8px;\"><strong>\uc720\ud654:<\/strong> \ud45c\uc900 O\/W \uc5d0\uba40\uc83c\uc744 \ud615\uc131\ud569\ub2c8\ub2e4.<\/li>\n            <li style=\"margin-bottom: 8px;\"><strong>\ub0c9\uac01 \uc0c1:<\/strong> \ubc30\uce58 \uc628\ub3c4\uac00 40\u00b0C \ubbf8\ub9cc\uc73c\ub85c \ub5a8\uc5b4\uc9c8 \ub54c\uae4c\uc9c0 \uae30\ub2e4\ub9bd\ub2c8\ub2e4. <span style=\"color: #B91C1C; font-weight: bold;\">\ub728\uac70\uc6b4 \ubc30\uce58\uc5d0 \ub808\ud2f0\ub180\uc744 \uc808\ub300 \ucca8\uac00\ud558\uc9c0 \ub9c8\uc138\uc694.<\/span><\/li>\n            <li><strong>\ud65c\uc131 \uc131\ubd84 \ucca8\uac00:<\/strong> \ucd5c\uc885 \ud65c\uc131 \ub18d\ub3c4 0.3%\ub97c \ub2ec\uc131\ud558\uae30 \uc704\ud574 \ub9ac\ud3ec\uc19c \ub808\ud2f0\ub180 3.0%(10%)\ub97c \ucca8\uac00\ud569\ub2c8\ub2e4.<\/li>\n        <\/ol>\n    <\/div>\n\n    <h2 style=\"color: #2563EB; font-size: 20px; margin-top: 32px; margin-bottom: 16px;\">pH \ucda9\ub3cc \uad00\ub9ac<\/h2>\n    <p style=\"margin-bottom: 16px;\">\uc774\uc81c pH \ucda9\ub3cc\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud398\ub8f0\uc0b0\uc740 \uc790\uc5f0\uc801\uc73c\ub85c \ud3ec\ubbac\ub7ec\uc758 pH\ub97c \ub0ae\ucda5\ub2c8\ub2e4. pH\uac00 4.5 \ubbf8\ub9cc\uc73c\ub85c \ub5a8\uc5b4\uc9c0\uba74 \ub9ac\ud3ec\uc19c \ub808\ud2f0\ub180 \uad6c\uc870\uac00 \ud30c\uad34\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub808\ud2f0\ub180\uc774 \uc720\ucd9c\ub418\uc5b4 \ubd84\ud574\ub429\ub2c8\ub2e4. \ucd5c\uc885 \uc5d0\uba40\uc83c\uc744 \uc644\ucda9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc218\uc0b0\ud654\ub098\ud2b8\ub968 \ub610\ub294 L-\uc544\ub974\uae30\ub2cc\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucd5c\uc885 pH\ub97c \uc815\ud655\ud788 \uc870\uc808\ud569\ub2c8\ub2e4. <span style=\"color: #047857; font-weight: bold; font-size: 18px; border-bottom: 2px solid #047857;\">5 ~ 6.0<\/span>. \uc774\uac83\uc774 \ub450 \ubd84\uc790\uac00 \ubaa8\ub450 \uc0b4\uc544\ub0a8\ub294 \ucd5c\uc801\uc758 \ubc94\uc704\uc785\ub2c8\ub2e4.<\/p>\n\n    <h2 style=\"color: #2563EB; font-size: 20px; margin-top: 32px; margin-bottom: 16px;\">\uc2dc\uc7a5 \uaddc\uc815 \uc900\uc218 \ubc0f \uc2dc\ub108\uc9c0 \ud6a8\uacfc<\/h2>\n    <p style=\"margin-bottom: 16px;\">\uc2dc\uc7a5 \uaddc\uc815 \uc900\uc218\uc5d0 \ub300\ud574 \uc774\uc57c\uae30\ud574 \ubd05\uc2dc\ub2e4. \uc720\ub7fd \uc5f0\ud569 SCCS\ub294 \uaddc\uc815\uc744 \uac15\ud654\ud588\uc2b5\ub2c8\ub2e4. \uc548\uba74 \ud06c\ub9bc\uc758 \uacbd\uc6b0 \ub808\ud2f0\ub180\uc744 \ucd5c\ub300 0.3% \ub808\ud2f0\ub180 \ub4f1\uac00\ubb3c\ub85c \uc5c4\uaca9\ud558\uac8c \uc81c\ud55c\ud569\ub2c8\ub2e4. \ub354 \ube60\ub978 \uacb0\uacfc\ub97c \uc5bb\uae30 \uc704\ud574 \ubcd1\uc5d0 1.0% \ub808\ud2f0\ub180\uc744 \uadf8\ub0e5 \ucc44\uc6cc \ub123\uc744 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n    <p style=\"margin-bottom: 16px;\">\ub354 \ub611\ub611\ud558\uac8c \uc81c\ud615\uc744 \ub9cc\ub4e4\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ud398\ub8f0\uc0b0\uc740 \uc774\ub7ec\ud55c \ud6a8\ub2a5 \uaca9\ucc28\ub97c \ud574\uc18c\ud569\ub2c8\ub2e4. \uc790\uccb4\uc801\uc778 \ub178\ud654 \ubc29\uc9c0 \ubc0f \ubbf8\ubc31 \ud6a8\uacfc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud2f0\ub85c\uc2dc\ub098\uc81c \ud65c\uc131\uc744 \uc5b5\uc81c\ud569\ub2c8\ub2e4. \uc774\ub294 \ub808\ud2f0\ub180\uacfc\ub294 \uc644\uc804\ud788 \ub2e4\ub978 \uacbd\ub85c\ub85c \uacfc\uc0c9\uc18c \uce68\ucc29\uc744 \ud574\uacb0\ud569\ub2c8\ub2e4. \uc18c\ube44\uc790\ub294 \ubc95\uc801\uc73c\ub85c \uaddc\uc815\uc744 \uc900\uc218\ud558\ub294 0.3% \ub808\ud2f0\ub180 \uc81c\ud488\uc5d0\uc11c \uc6b0\uc218\ud55c \uc2dc\uac01\uc801 \uacb0\uacfc\ub97c \uc5bb\uc2b5\ub2c8\ub2e4.<\/p>\n\n    <p style=\"margin-bottom: 16px;\">\uc804 \uc138\uacc4 \ud654\uc7a5\ud488 \uacf5\uc7a5\uc5d0 \uace0\uc21c\ub3c4 \ucc9c\uc5f0 \ud398\ub8f0\uc0b0\uacfc \uc548\uc815\ud654\ub41c \ub808\ud2f0\ub180 \uc2dc\uc2a4\ud15c\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4. \uc5f0\uad6c \uac1c\ubc1c\ud300\uc774 \uc2e4\uc2dc\uac04 \uc548\uc815\uc131 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc2e4\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ud14c\uc2a4\ud2b8 \uc0d8\ud50c\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uccb4\ud5d8 \uc7ac\ub8cc \ubc0f \ud2b9\uc218 \uc6a9\ub9e4 \uc9c0\uce68\uc744 \uc694\uccad\ud558\ub824\uba74 \uae30\uc220\ud300\uc5d0 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n    <hr style=\"border: none; border-top: 1px solid #E5E7EB; margin: 40px 0 20px 0;\">\n\n    <h3 style=\"color: #4B5563; font-size: 16px; margin-bottom: 12px;\">\ucc38\uace0 \uc790\ub8cc<\/h3>\n    <ul style=\"font-size: 14px; color: #6B7280; line-height: 1.6; padding-left: 20px;\">\n        <li style=\"margin-bottom: 6px;\">SCCS(\uc18c\ube44\uc790 \uc548\uc804 \uacfc\ud559 \uc704\uc6d0\ud68c). (2022). \ube44\ud0c0\ubbfc A(\ub808\ud2f0\ub180, \ub808\ud2f0\ub2d0 \uc544\uc138\ud14c\uc774\ud2b8, \ub808\ud2f0\ub2d0 \ud314\ubbf8\ud14c\uc774\ud2b8)\uc5d0 \ub300\ud55c \uacfc\ud559\uc801 \uc758\uacac \uac1c\uc815.<\/li>\n        <li style=\"margin-bottom: 6px;\">Zhai, H. \ub4f1 (2013). \u201c\ud53c\ubd80 \uad00\ub9ac \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ud398\ub8f0\uc0b0\uc758 \uc7a0\uc7ac\ub825.\u201d <em>\ub300\ud55c\ud53c\ubd80\uacfc\ud559\ud68c\uc9c0<\/em>.<\/li>\n        <li>Graf, E. (1992). \u201c\ud398\ub8f0\uc0b0\uc758 \ud56d\uc0b0\ud654 \uc7a0\uc7ac\ub825.\u201d <em>\uc790\uc720\ub77c\ub514\uce7c \uc0dd\ubb3c\ud559 \ubc0f \uc758\ud559<\/em>.<\/li>\n    <\/ul>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\uc21c\uc218 \uacb0\uc815\uc9c8 \ub808\ud2f0\ub180\ub85c \uc81c\ud615\uc744 \ub9cc\ub4e4\ub824\uace0 \ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc21c\uc218 \ub808\ud2f0\ub180(98% \ubd84\uc11d)\uc740 \ub9e4\uc6b0 \ubd88\uc548\uc815\ud569\ub2c8\ub2e4. \uc0b0\uc18c, \ube5b, \uc5f4\uc5d0 \ub178\ucd9c\ub418\uba74 \ube60\ub974\uac8c \ubd84\ud574\ub429\ub2c8\ub2e4\u2026.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-15116","post","type-post","status-publish","format-standard","hentry","category-product-updates"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.8 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Retinol and Ferulic Acid: Overcoming Formulation Instability and Skin Irritation - Shaanxi Huatai Bio<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.totarolchina.com\/ko\/retinol-and-ferulic-acid-overcoming-formulation-instability-and-skin-irritation\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Retinol and Ferulic Acid: Overcoming Formulation Instability and Skin Irritation\" \/>\n<meta property=\"og:description\" content=\"Stop trying to formulate with pure crystalline retinol. 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