{"id":15212,"date":"2026-07-08T08:46:32","date_gmt":"2026-07-08T08:46:32","guid":{"rendered":"https:\/\/www.natural-huatai.com\/?p=15212"},"modified":"2026-07-08T08:46:33","modified_gmt":"2026-07-08T08:46:33","slug":"the-truth-behind-a-list-skincare-actives-lab-data-coas-and-why-most-serums-fail","status":"publish","type":"post","link":"https:\/\/www.natural-huatai.com\/ko\/the-truth-behind-a-list-skincare-actives-lab-data-coas-and-why-most-serums-fail\/","title":{"rendered":"A\uae09 \uc2a4\ud0a8\ucf00\uc5b4 \ud65c\uc131 \uc131\ubd84\uc758 \uc228\uaca8\uc9c4 \uc9c4\uc2e4: \uc2e4\ud5d8\uc2e4 \ub370\uc774\ud130, COA \ubc0f \ub300\ubd80\ubd84\uc758 \uc138\ub7fc\uc774 \uc2e4\ud328\ud558\ub294 \uc774\uc720"},"content":{"rendered":"<p>\ube0c\ub79c\ub4dc\ub4e4\uc740 \ubcd1\uc5d0 \"\ub808\ud2f0\ub180\" \ub610\ub294 \"\ube44\ud0c0\ubbfc C\"\ub97c \ubd99\uc774\ub294 \uac83\uc744 \uc88b\uc544\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uadf8 \ubcd1\uc744 \uc9c8\ub7c9 \ubd84\uc11d\uae30\uc5d0 \ub123\uc73c\uba74, \ud65c\uc131 \uc131\ubd84\uc774 \uc138 \ub2ec \uc804\uc5d0 \ubd84\ud574\ub418\uc5c8\ub2e4\ub294 \uac83\uc744 \uc54c\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uc2a4\ud0a8\ucf00\uc5b4\ub97c \ub9c8\ubc95 \ubb3c\uc57d\ucc98\ub7fc \ucde8\uae09\ud569\ub2c8\ub2e4. \uadf8\uac83\uc740 \ub2e8\uc9c0 \ud654\ud559\uc77c \ubfd0\uc785\ub2c8\ub2e4. \uc2e4\uc81c \uacc4\uc0b0, \uc2e4\ud5d8 \ubcf4\uace0\uc11c, \uadf8\ub9ac\uace0 \uc2e4\uc81c A\uae09 \uc2a4\ud0a8\ucf00\uc5b4 \ud65c\uc131 \uc131\ubd84\uc758 \uc81c\ud615 \ud55c\uacc4\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p><p>\ub9c8\ucf00\ud305 \uacfc\uc7a5 \uc5c6\uc774 \ud6a8\uacfc\uac00 \uc788\ub294 \uac83\uc744 \ubcf4\uc5ec\ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/p><h3 class=\"wp-block-heading\" id=\"h-the-real-a-list-specs-and-performance-data\">\uc9c4\uc815\ud55c A\uae09 \uc131\ubd84: \uc0ac\uc591 \ubc0f \uc131\ub2a5 \ub370\uc774\ud130<\/h3><p>\ub9e4\ub144 \uc218\uc2ed \uac00\uc9c0\uc758 \"\uae30\uc801\uc758\" \ucd94\ucd9c\ubb3c\uc5d0 \ub300\ud574 \ub4e3\uc2b5\ub2c8\ub2e4. \ubb34\uc2dc\ud558\uc2ed\uc2dc\uc624. \uc9c4\uc815\ud55c A\uae09 \ud65c\uc131 \uc131\ubd84\uc740 \uc218\uc2ed \ub144\uac04\uc758 \uc784\uc0c1\uc801 \uadfc\uac70\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uadf8 \ud6a8\uacfc\ub294 \uc804\uc801\uc73c\ub85c \uadf8 \uc0ac\uc591\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc5d0 \uc8fc\uc694 \uacf5\uae09\uc5c5\uccb4\uc758 \uc6d0\uc2dc \ub370\uc774\ud130\ub97c \ucde8\ud569\ud588\uc2b5\ub2c8\ub2e4.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Active Ingredient<\/strong><\/td><td><strong>\ucd5c\uc801 \ub18d\ub3c4<\/strong><\/td><td><strong>\ud544\uc694\ud55c pH \uc218\uc900<\/strong><\/td><td><strong>\ud0c0\uac9f \ud53c\ubd80 \uace0\ubbfc<\/strong><\/td><td><strong>\ud6a8\ub2a5 \ub370\uc774\ud130 (8\uc8fc \uc784\uc0c1 \ubca4\uce58\ub9c8\ud06c)<\/strong><\/td><td><strong>\uc77c\ubc18\uc801\uc778 \ubd80\uc791\uc6a9<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>L-\uc544\uc2a4\ucf54\ub974\ube0c\uc0b0 (\ube44\ud0c0\ubbfc C)<\/strong><\/td><td>10% &#8211; 20%<\/td><td>5 \ubbf8\ub9cc<\/td><td>\uc0c9\uc18c \uce68\ucc29, \uce59\uce59\ud568<\/td><td>\uba5c\ub77c\ub2cc \ud569\uc131 32% \uac10\uc18c<\/td><td>\ud64d\uc870, \ub530\uac00\uc6c0<\/td><\/tr><tr><td><strong>Retinol<\/strong><\/td><td>0.25% &#8211; 1.0%<\/td><td>5.5 &#8211; 6.0<\/td><td>\uc8fc\ub984, \ud53c\ubd80\uacb0<\/td><td>\ucf5c\ub77c\uac90 \ubc00\ub3c4 24% \uc99d\uac00<\/td><td>\ubc97\uaca8\uc9d0, \uac74\uc870\ud568<\/td><\/tr><tr><td><strong>\ub098\uc774\uc544\uc2e0\uc544\ub9c8\uc774\ub4dc (\ube44\ud0c0\ubbfc B3)<\/strong><\/td><td>2% &#8211; 5%<\/td><td>5.0 &#8211; 7.0<\/td><td>\ubaa8\uacf5, \ud64d\uc870<\/td><td>\ud53c\ubd80 \uc7a5\ubcbd \uae30\ub2a5 18% \uac1c\uc120<\/td><td>5%\uc5d0\uc11c \uac70\uc758 \uc5c6\uc74c<\/td><\/tr><tr><td><strong>\uc0b4\ub9ac\uc2e4\uc0b0 (BHA)<\/strong><\/td><td>1% &#8211; 2%<\/td><td>3.0 &#8211; 4.0<\/td><td>\uc5ec\ub4dc\ub984, \ud53c\uc9c0 \uc870\uc808<\/td><td>\ud65c\uc131 \uba74\ud3ec 45% \uac10\uc18c<\/td><td>\uac74\uc870\ud568<\/td><\/tr><tr><td><strong>\uc544\uc9c0\ub810\ub9b0 (\ud3a9\ud0c0\uc774\ub4dc)<\/strong><\/td><td>5% &#8211; 10%<\/td><td>4.0 &#8211; 7.0<\/td><td>\ud45c\uc815 \uc8fc\ub984<\/td><td>\uc8fc\ub984 \uae4a\uc774 17% \uac10\uc18c<\/td><td>\ubcf4\uace0\ub41c \ubc14 \uc5c6\uc74c<\/td><\/tr><\/tbody><\/table><\/figure><p><em>\uc778\uc6a9\ub41c \ub370\uc774\ud130\ub294 Journal of Clinical and Aesthetic Dermatology (2023)\uc758 \uacf5\uac1c \uc870\uc0ac \uacb0\uacfc\uc640 \uc77c\uce58\ud569\ub2c8\ub2e4.<\/em><\/p><p>\uc800\ub294 \ube0c\ub79c\ub4dc\ub4e4\uc774 10% \ub610\ub294 \uc2ec\uc9c0\uc5b4 15% \ub098\uc774\uc544\uc2e0\uc544\ub9c8\uc774\ub4dc\ub97c \ud64d\ubcf4\ud558\ub294 \uac83\uc744 \ubcf4\ub294 \uac83\uc5d0 \uc9c0\ucce4\uc2b5\ub2c8\ub2e4. 15%\uc5d0\uc11c \ubb34\uc2a8 \uc77c\uc774 \uc77c\uc5b4\ub098\ub294\uc9c0 \uc544\uc2ed\ub2c8\uae4c? \ud53c\ubd80 \uc7a5\ubcbd\uc774 \ubb34\ub108\uc9d1\ub2c8\ub2e4. \uc784\uc0c1 \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74 \ucd5c\ub300 \uc774\uc810\uc740 5%\uc5d0\uc11c \uc815\uc810\uc744 \uc774\ub8f9\ub2c8\ub2e4. \uadf8 \uc774\uc0c1\uc740 \ud3ec\uc7a5\uc5d0 \uc22b\uc790\ub97c \uae30\uc785\ud558\ub824\ub294 \ube0c\ub79c\ub4dc\uc77c \ubfd0\uc785\ub2c8\ub2e4.<\/p><h3 class=\"wp-block-heading\" id=\"h-inside-the-lab-a-real-certificate-of-analysis-coa\">\uc2e4\ud5d8\uc2e4 \ub0b4\ubd80: \uc2e4\uc81c \ubd84\uc11d \uc99d\uba85\uc11c (COA)<\/h3><p>\uc81c\ud615 \ub2f4\ub2f9\uc790\ub294 \uc790\uc2e0\uc774 \ubb34\uc5c7\uc744 \uad6c\ub9e4\ud558\ub294\uc9c0 \uc5b4\ub5bb\uac8c \uc54c \uc218 \uc788\uc744\uae4c\uc694? COA\ub97c \uc77d\uc2b5\ub2c8\ub2e4. \ube0c\ub79c\ub4dc\ub97c \ucd9c\uc2dc\ud558\uace0 \uc2f6\ub2e4\uba74 \uc774 \ubb38\uc11c\ub97c \uc694\uad6c\ud558\uc2ed\uc2dc\uc624.<\/p><p>\uace0\ud488\uc9c8 \uc21c\uc218 L-\uc544\uc2a4\ucf54\ub974\ube0c\uc0b0 (\ube44\ud0c0\ubbfc C) \ubc30\uce58\uc5d0 \ub300\ud55c \ud45c\uc900 COA \uc2a4\ub0c5\uc0f7\uc785\ub2c8\ub2e4.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\ud14c\uc2a4\ud2b8 \ub9e4\uac1c\ubcc0\uc218<\/strong><\/td><td><strong>\uc0ac\uc591 \ud55c\uacc4<\/strong><\/td><td><strong>\uc2e4\uc81c \uc2e4\ud5d8\uc2e4 \uacb0\uacfc<\/strong><\/td><td><strong>\uc2dc\ud5d8 \ubc29\ubc95<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Appearance<\/strong><\/td><td>White crystalline powder<\/td><td>White crystalline powder<\/td><td>\uc721\uc548 \uac80\uc0ac<\/td><\/tr><tr><td><strong>\uc21c\ub3c4 (\ubd84\uc11d)<\/strong><\/td><td>99.0% &#8211; 100.5%<\/td><td>99.8%<\/td><td>\uc801\uc815<\/td><\/tr><tr><td><strong>Heavy Metals (Pb)<\/strong><\/td><td>Less than 10 ppm<\/td><td>1 ppm<\/td><td>ICP-MS<\/td><\/tr><tr><td><strong>pH (5% \ubb3c \uc6a9\uc561)<\/strong><\/td><td>2.1 &#8211; 2.6<\/td><td>2.4<\/td><td>pH \ubbf8\ud130<\/td><\/tr><tr><td><strong>\uc0b0\ud654 \uc0c1\ud0dc<\/strong><\/td><td>\ud14c\uc2a4\ud2b8 \ud1b5\uacfc<\/td><td>\ud1b5\uacfc (\ubcc0\uc0c9 \uc5c6\uc74c)<\/td><td>\ubd84\uad11 \uad11\ub3c4\uacc4<\/td><\/tr><\/tbody><\/table><\/figure><p>pH \uacb0\uacfc\ub97c \uc8fc\ubaa9\ud558\uc2ed\uc2dc\uc624. 2.4\uc785\ub2c8\ub2e4. \uc774 \uc6d0\ub8cc \ubd84\ub9d0\uc744 pH 6.0\uc758 \uc77c\ubc18 \ub85c\uc158\uc5d0 \ud63c\ud569\ud558\uba74 L-\uc544\uc2a4\ucf54\ub974\ube0c\uc0b0\uc774 \uc911\ud654\ub429\ub2c8\ub2e4. \uc4f8\ubaa8\uc5c6\uac8c \ub429\ub2c8\ub2e4. \ube44\uc2fc \ubb3c\uc744 \uc0b0 \uac83\uc785\ub2c8\ub2e4.<\/p><h3 class=\"wp-block-heading\" id=\"h-formulation-cheat-sheet-what-to-actually-do\">\uc81c\ud615 \uce58\ud2b8 \uc2dc\ud2b8: \uc2e4\uc81c\ub85c \ud574\uc57c \ud560 \uc77c<\/h3><p>\uc5bc\uad74\uc5d0 \uce35\uc744 \ub9f9\ubaa9\uc801\uc73c\ub85c \uc11e\ub294 \uac83\uc744 \uba48\ucd94\uc2ed\uc2dc\uc624. \ud654\ud559 \ubc18\uc751\uc744 \uc77c\uc73c\ud0a4\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p><ol start=\"1\" class=\"wp-block-list\"><li><strong>\ube44\ud0c0\ubbfc C + \uc790\uc678\uc120 \ucc28\ub2e8\uc81c \uaddc\uce59:<\/strong> L-\uc544\uc2a4\ucf54\ub974\ube0c\uc0b0\uc740 UV \uad11\uc120\uc73c\ub85c \uc778\ud55c \uc0b0\ud654 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc608\ubc29\ud569\ub2c8\ub2e4. \uc544\uce68\uc5d0 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n<li><strong>\ub808\ud2f0\ub178\uc774\ub4dc \uc0cc\ub4dc\uc704\uce58:<\/strong> \ub808\ud2f0\ub180\uc740 \ud53c\ubd80\uac00 \uc2a4\uc2a4\ub85c \uad50\uccb4\ub418\ub294 \uc18d\ub3c4\ub97c \ub192\uc785\ub2c8\ub2e4. \ubc97\uaca8\uc9d0\uc744 \uc720\ubc1c\ud569\ub2c8\ub2e4. \uae30\ubcf8 \ubcf4\uc2b5\uc81c, \ub808\ud2f0\ub180, \ub2e4\uc2dc \ubcf4\uc2b5\uc81c\ub97c \ubc14\ub974\uc2ed\uc2dc\uc624. \uc784\uc0c1 \ud6a8\ub2a5\uc740 \uc57d 2% \uac10\uc18c\ud558\uc9c0\ub9cc \uc790\uadf9\uc740 50% \uac10\uc18c\ud569\ub2c8\ub2e4.<\/li>\n\n<li><strong>BHA\uc640 \ud3a9\ud0c0\uc774\ub4dc\ub97c \uc808\ub300 \uc11e\uc9c0 \ub9c8\uc2ed\uc2dc\uc624:<\/strong> \uad6c\ub9ac \ud3a9\ud0c0\uc774\ub4dc\ub294 \uace0\uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c \ubd84\ud574\ub429\ub2c8\ub2e4. \uc0b4\ub9ac\uc2e4\uc0b0(pH 3.5)\uc744 \uc0ac\uc6a9\ud558\uace0 \uc989\uc2dc \ud3a9\ud0c0\uc774\ub4dc \uc138\ub7fc\uc744 \ubc14\ub974\uba74 \ud3a9\ud0c0\uc774\ub4dc \uc0ac\uc2ac\uc774 \ud30c\uad34\ub429\ub2c8\ub2e4.<\/li><\/ol><h3 class=\"wp-block-heading\" id=\"h-a-real-world-failure-and-fix\">\uc2e4\uc81c \uc2e4\ud328 \ubc0f \ud574\uacb0\ucc45<\/h3><p>2025\ub144 \ucd08 \uc2e4\uc81c \uc81c\ud488 \uac1c\ubc1c \uc0ac\ub840\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud55c \ube0c\ub79c\ub4dc\ub294 \"\ub9d1\uc740 \ud53c\ubd80\" \uc138\ub7fc\uc744 \uc6d0\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub4e4\uc740 \ubb3c \ubca0\uc774\uc2a4\uc5d0 2% \uc0b4\ub9ac\uc2e4\uc0b0\uacfc 5% \ub098\uc774\uc544\uc2e0\uc544\ub9c8\uc774\ub4dc\ub97c \ud63c\ud569\ud588\uc2b5\ub2c8\ub2e4.<\/p><p>\ud55c \ub2ec \ud6c4 \uc2e4\ud5d8\uc2e4 \ud14c\uc2a4\ud2b8 \uacb0\uacfc\uac00 \ub098\uc654\uc2b5\ub2c8\ub2e4. \uc138\ub7fc\uc5d0\uc11c \uacb0\uc815\uc774 \uc0dd\uacbc\uc2b5\ub2c8\ub2e4. \uc65c \uadf8\ub7ac\uc744\uae4c\uc694?<\/p><p>\uc0b4\ub9ac\uc2e4\uc0b0\uc740 \uc6a9\ud574\ub41c \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ub0ae\uc740 pH\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ub098\uc774\uc544\uc2e0\uc544\ub9c8\uc774\ub4dc\ub294 \ub0ae\uc740 pH\uc5d0\uc11c \ub2c8\ucf54\ud2f4\uc0b0(\uc2ec\uac01\ud55c \ud53c\ubd80 \ud64d\uc870\ub97c \uc720\ubc1c\ud568)\uc73c\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4. \uc81c\ud615 \ub2f4\ub2f9\uc790\ub4e4\uc740 pH 4.5\ub85c \ud0c0\ud611\ud558\ub824\uace0 \ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294? \uc0b4\ub9ac\uc2e4\uc0b0\uc774 \uacb0\uc815\ud654\ub418\uc5c8\uace0 \ub098\uc774\uc544\uc2e0\uc544\ub9c8\uc774\ub4dc\ub294 \uc790\uadf9\uc81c\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p><p><strong>\ud574\uacb0\ucc45:<\/strong> \ubd84\ub9ac\ud588\uc2b5\ub2c8\ub2e4. BHA \ud1a0\ub108\uc640 \ubcc4\ub3c4\uc758 \ub098\uc774\uc544\uc2e0\uc544\ub9c8\uc774\ub4dc \uc138\ub7fc\uc744 \ub9cc\ub4e4\uc5c8\uc2b5\ub2c8\ub2e4. \uac04\ub2e8\ud569\ub2c8\ub2e4. \ube0c\ub79c\ub4dc\uac00 \uace0\uae09\uc758 \ube44\uc2fc \ucea1\uc290\ud654 \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\ub294 \ud55c \"\uc62c\uc778\uc6d0\" \ub9c8\ubc95 \uacf5\uc2dd\uc744 \uac00\uc9c0\uace0 \uc788\ub2e4\uace0 \uc124\ub4dd\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p><h3 class=\"wp-block-heading\" id=\"h-industry-trends-amp-compliance\">\uc0b0\uc5c5 \ub3d9\ud5a5 \ubc0f \uaddc\uc815 \uc900\uc218<\/h3><p>FDA\uc640 EU SCCS\uac00 \ub2e8\uc18d\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc720\ub7fd \uc5f0\ud569\uc740 \ucd5c\uadfc \uc77c\ubc18 \uc758\uc57d\ud488 \ubc14\ub514 \ub85c\uc158\uc758 \ub808\ud2f0\ub180\uc744 0.05%\ub85c, \ud398\uc774\uc2a4 \ud06c\ub9bc\uc740 0.3%\ub85c \uc81c\ud55c\ud588\uc2b5\ub2c8\ub2e4.<\/p><p>\uc65c\uc694? \uc0ac\ub78c\ub4e4\uc740 1% \ud398\uc774\uc2a4 \ud06c\ub9bc, 0.5% \ubc14\ub514 \ub85c\uc158, \uadf8\ub9ac\uace0 \ube44\ud0c0\ubbfc A \ubcf4\ucda9\uc81c\ub97c \ud568\uaed8 \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4. \uc804\uc2e0 \ub3c5\uc131\uc774 \uc2e4\uc81c \uc704\ud5d8\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ud2b8\ub80c\ub4dc\ub294 \"\ucd5c\ub300 \uac15\ub3c4\"\uc5d0\uc11c \ubc97\uc5b4\ub098 \ud45c\uc801 \uc804\ub2ec \uc2dc\uc2a4\ud15c\uc73c\ub85c \ud5a5\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub9ac\ud3ec\uc19c. \uc9c0\uc9c8 \ub098\ub178 \uc785\uc790. \uc6b0\ub9ac\ub294 \ub354 \uc774\uc0c1 \"\uc5bc\ub9c8\ub098 \ub4e4\uc5b4 \uc788\ub098?\"\ub77c\uace0 \ubb3b\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \"\uc5bc\ub9c8\ub098 \uae4a\uc774 \ub4e4\uc5b4\uac00\ub294\uac00?\"\ub77c\uace0 \ubb3b\uc2b5\ub2c8\ub2e4.<\/p><h3 class=\"wp-block-heading\" id=\"h-quick-reference-active-ingredient-compatibility\">\ube60\ub978 \ucc38\uc870: \ud65c\uc131 \uc131\ubd84 \ud638\ud658\uc131<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\uc131\ubd84 A<\/strong><\/td><td><strong>\uc131\ubd84 B<\/strong><\/td><td><strong>\ud63c\ud569 \uac00\ub2a5?<\/strong><\/td><td><strong>\uc774\uc720<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Retinol<\/td><td>\ube44\ud0c0\ubbfc C<\/td><td>\uc544\ub2c8\uc694<\/td><td>pH \uc694\uad6c \uc0ac\ud56d \ucda9\ub3cc; \ub192\uc740 \uc790\uadf9 \uc704\ud5d8.<\/td><\/tr><tr><td>Niacinamide<\/td><td>Hyaluronic Acid<\/td><td>\uc608<\/td><td>\ub458 \ub2e4 \uc218\uc6a9\uc131; \ud568\uaed8 \ub9e4\uc6b0 \uc548\uc815\uc801\uc785\ub2c8\ub2e4.<\/td><\/tr><tr><td>BHA<\/td><td>AHA<\/td><td>\uc8fc\uc758\ud574\uc11c<\/td><td>\uacfc\ub3c4\ud55c \uac01\uc9c8 \uc81c\uac70\uc758 \ub9e4\uc6b0 \ub192\uc740 \uc704\ud5d8.<\/td><\/tr><tr><td>\uc131\uc219 \ud53c\ubd80 \ud56d\uc8fc\ub984 \ud06c\ub9bc:<\/td><td>\ube44\ud0c0\ubbfc C<\/td><td>\uc544\ub2c8\uc694<\/td><td>\uc0b0\uc131 pH\ub294 \ud3a9\ud0c0\uc774\ub4dc \uacb0\ud569\uc744 \ubd84\ud574\ud569\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>Brands love plastering \u201cRetinol\u201d or \u201cVitamin C\u201d on a bottle. But drop that bottle into a mass spectrometer, and you will find out the active\u2026<\/p>","protected":false},"author":1,"featured_media":4460,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[356],"tags":[],"class_list":["post-15212","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-new"],"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>The Truth Behind A-List Skincare Actives: Lab Data, COAs, and Why Most Serums Fail - Natural huatai<\/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.natural-huatai.com\/ko\/the-truth-behind-a-list-skincare-actives-lab-data-coas-and-why-most-serums-fail\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Truth Behind A-List Skincare Actives: Lab Data, COAs, and Why Most Serums Fail\" \/>\n<meta property=\"og:description\" content=\"Brands love plastering &#8220;Retinol&#8221; or &#8220;Vitamin C&#8221; on a bottle. 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