{"id":15388,"date":"2026-07-14T09:04:01","date_gmt":"2026-07-14T09:04:01","guid":{"rendered":"https:\/\/glabridinchina.com\/?p=15388"},"modified":"2026-07-17T01:54:58","modified_gmt":"2026-07-17T01:54:58","slug":"the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols","status":"publish","type":"post","link":"https:\/\/glabridinchina.com\/ko\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/","title":{"rendered":"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols"},"content":{"rendered":"
\n\n

\n Walk into any cosmetics manufacturing lab and ask the head chemist to mix Alpha Arbutin with Kojic Acid. Watch their face drop.\n <\/p>\n

\n Brands love this combination on paper. Both ingredients target hyperpigmentation aggressively. Formulators usually hate working with them together. I watched a client dump an entire production run of premium brightening serum last month. The liquid turned the color of an old, oxidized penny after just three weeks in a warm warehouse. \n <\/p>\n\n

\n Worse than the color change? The serum became technically illegal.<\/strong> You cannot simply mix two powerful active ingredients in a water base and hope for the best. Let us look at the actual chemical battlefield inside the mixing tank.\n <\/blockquote>\n\n

\uae30\uacc4\uc801 \ucda9\ub3cc<\/h2>\n

\n \uc54c\ud30c \uc54c\ubd80\ud2f4\uacfc \ucf54\uc9c1\uc0b0\uc740 \uba5c\ub77c\ub2cc \uc0dd\uc131\uc744 \ub3d9\uc77c\ud55c \ubd80\uc704\uc5d0\uc11c \uacf5\uaca9\ud569\ub2c8\ub2e4: \ud2f0\ub85c\uc2dc\ub098\uc544\uc81c \ud6a8\uc18c<\/strong>. \n \ucf54\uc9c1\uc0b0\uc740 \ubc1c\ud1b1\ucc98\ub7fc \uc791\uc6a9\ud569\ub2c8\ub2e4.<\/span> \ud6a8\uc18c\uac00 \uae30\ub2a5\ud558\ub294 \ub370 \ud544\uc694\ud55c \uad6c\ub9ac \uc774\uc628\uc744 \ud0ac\ub808\uc774\ud2b8\ud654\ud558\uc5ec \uae30\uacc4\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ud30c\uad34\ud569\ub2c8\ub2e4. \n \uc54c\ud30c \uc54c\ubd80\ud2f4\uc740 \ubbf8\ub07c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/span> \uba5c\ub77c\ub2cc\uc758 \ucc9c\uc5f0 \ube4c\ub529 \ube14\ub85d\uc744 \ubaa8\ubc29\ud558\uc5ec \uacbd\uc7c1\uc801 \uc5b5\uc81c\ub97c \ud1b5\ud574 \ud6a8\uc18c\uc758 \uae30\uc5b4\ub97c \ub9c9\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n \uc2dc\ub108\uc9c0\ub294 \uc5c4\uccad\ub0a9\ub2c8\ub2e4. \uc548\uc815\uc131 \ud504\ub85c\ud544\uc740 \uc545\ubabd\uc785\ub2c8\ub2e4.<\/strong>\n <\/p>\n

\n Kojic Acid is highly reactive. It oxidizes rapidly upon exposure to air and UV light, forming dark brown polymeric compounds. It also binds violently with trace iron (Fe3+) in your water, turning the solution blood-red or dark brown almost instantly.\n <\/p>\n\n

pH \uc704\ud611 \ubc0f \ud558\uc774\ub4dc\ub85c\ud034\ub17c \uc704\ud5d8<\/h2>\n

\n \ud558\uc9c0\ub9cc \uac00\uc7a5 \ud070 \uc704\ud611\uc740 pH \ucda9\ub3cc\uc785\ub2c8\ub2e4. \ucf54\uc9c1\uc0b0\uc740 \ubcf8\uc9c8\uc801\uc73c\ub85c \uc0b0\uc131\uc785\ub2c8\ub2e4. \ubb3c\uc5d0 \ucca8\uac00\ud558\uba74 pH\uac00 \ub0ae\uc544\uc9d1\ub2c8\ub2e4. \uc54c\ud30c \uc54c\ubd80\ud2f4\uc740 \ubc30\ub2f9\uccb4\uc785\ub2c8\ub2e4. \uc548\uc815\uc801\uc778 pH \ud658\uacbd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. 5 ~ 6.5<\/strong>.\n <\/p>\n

\n \ucf54\uc9c1\uc0b0\uc774 \ud3ec\ubbac\ub7ec pH\ub97c 4.0 \ubbf8\ub9cc\uc73c\ub85c \ub5a8\uc5b4\ub728\ub9ac\uba74 \uc54c\ud30c \uc54c\ubd80\ud2f4\uc758 \ubc30\ub2f9 \uacb0\ud569\uc774 \ub04a\uc5b4\uc9c0\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4. \uc774 \uac00\uc218\ubd84\ud574 \ubc18\uc751\uc740 \ud558\uc774\ub4dc\ub85c\ud034\ub17c<\/strong> \uc138\ub7fc\uc73c\ub85c \ubc29\ucd9c\ub429\ub2c8\ub2e4. \ud558\uc774\ub4dc\ub85c\ud034\ub17c\uc740 \uc5c4\uaca9\ud788 \uae08\uc9c0\ub429\ub2c8\ub2e4<\/strong> \ub300\ubd80\ubd84\uc758 \uae00\ub85c\ubc8c \uc2dc\uc7a5\uc5d0\uc11c \ud654\uc7a5\ud488\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc644\ucda9\ub418\uc9c0 \uc54a\uc740 \ucf54\uc9c1\uc0b0 \ubc0f \uc54c\ud30c \uc54c\ubd80\ud2f4 \uc138\ub7fc\uc740 \ub2e8\uc21c\ud788 \uac08\uc0c9\uc73c\ub85c \ubcc0\ud558\ub294 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ub3c5\uc131\uc774 \uc788\uace0 \uaddc\uc815\uc744 \uc900\uc218\ud558\uc9c0 \uc54a\ub294 \uc704\ud5d8 \ubb3c\uc9c8\ub85c \ubd84\ud574\ub429\ub2c8\ub2e4.\n <\/p>\n\n

Raw Material Quality Specifications (COA Benchmark)<\/h2>\n

\n \ud1a4 \ub2e8\uc704\ub85c \uc774\ub7ec\ud55c \uc6d0\ub8cc\ub97c \uc0dd\uc0b0\ud558\ub294 \uc81c\uc870\uc5c5\uccb4\ub85c\uc11c \uc6b0\ub9ac\ub294 \ucca0\uc800\ud55c \ubd84\uc11d \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uc815\uc81c\ub418\uc9c0 \uc54a\uace0 \uc800\ub834\ud55c \ubd84\ub9d0\uc744 \uad6c\ub9e4\ud558\uae30 \ub54c\ubb38\uc5d0 \ube0c\ub79c\ub4dc\uac00 \ubc18\ubcf5\uc801\uc73c\ub85c \uc2e4\ud328\ud558\ub294 \uac83\uc744 \ubd05\ub2c8\ub2e4. \uacf5\uae09\uc5c5\uccb4\ub85c\ubd80\ud130 \uc5c4\uaca9\ud55c \uc0ac\uc591\uc744 \uc694\uad6c\ud574\uc57c \ud569\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc6b0\ub9ac\uac00 \uc2dc\ud589\ud558\ub294 \ubca4\uce58\ub9c8\ud06c\uc785\ub2c8\ub2e4.\n <\/p>\n\n

\n \n \n \n \n \n \n \n \n \n \n \n
Analytical Parameter<\/th>\n Alpha Arbutin (High Purity)<\/th>\n Kojic Acid (Cosmetic Grade)<\/th>\n <\/tr>\n <\/thead>\n
\ubaa8\uc2b5<\/td>\n \ud770\uc0c9 \uacb0\uc815 \ubd84\ub9d0<\/td>\n Almost white crystalline powder<\/td>\n <\/tr>\n
\uc21c\ub3c4(HPLC)<\/td>\n \u2265 99.5%<\/td>\n \u2265 99.8%<\/td>\n <\/tr>\n
\ud2b9\uc815 \uad11\ud559 \ud68c\uc804<\/td>\n +174.0\u00b0 to +186.0\u00b0<\/td>\n Not Applicable<\/td>\n <\/tr>\n
Heavy Metals (Total)<\/td>\n 10ppm \uc774\ud558<\/td>\n 10ppm \uc774\ud558<\/td>\n <\/tr>\n
Iron (Fe3+) Limit<\/td>\n 2ppm \uc774\ud558<\/td>\n \u2264 1 ppm<\/td>\n <\/tr>\n
Hydroquinone Limit<\/td>\n 10ppm \uc774\ud558<\/td>\n Not Applicable<\/td>\n <\/tr>\n
\uac74\uc870 \uac10\ub7c9<\/td>\n \u2264 0.5%<\/td>\n \u2264 0.5%<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n

\n *\uc54c\ud30c \uc54c\ubd80\ud2f4\uc758 \ube44\uc120\uad11\ub3c4\uc5d0 \uc8fc\uc758\ud558\uc2ed\uc2dc\uc624. \uc774\uac83\uc740 \uc800\ub834\ud558\uace0 \ub35c \uc548\uc815\uc801\uc778 \"\ubca0\ud0c0\" \uc774\uc131\uc9c8\uccb4\uac00 \uc544\ub2cc \ub9e4\uc6b0 \ud6a8\uacfc\uc801\uc778 \"\uc54c\ud30c\" \uc774\uc131\uc9c8\uccb4\ub97c \uc5bb\uace0 \uc788\uc74c\uc744 \uc99d\uba85\ud569\ub2c8\ub2e4. \ucf54\uc9c1\uc0b0\uc758 \ucca0\ubd84 \ud55c\ub3c4\ub97c \uc0b4\ud3b4\ubcf4\uc2ed\uc2dc\uc624. \ucf54\uc9c1\uc0b0\uc5d0 \ucca0\ubd84\uc774 \ub192\uc73c\uba74 \ucda9\uc804 \ub77c\uc778\uc5d0 \ub3c4\ub2ec\ud558\uae30\ub3c4 \uc804\uc5d0 \uc81c\ud615\uc774 \ubcc0\uc0c9\ub429\ub2c8\ub2e4.\n <\/p>\n\n

\ub4c0\uc624 \uc548\uc815\ud654: 45\uc77c \uac00\uc18d \ubd84\uc11d(45\u00b0C + UV)<\/h2>\n

\n \ud45c\uc900 2% \uc54c\ud30c \uc54c\ubd80\ud2f4 \ubc0f 1% \ucf54\uc9c1\uc0b0 \uc218\uc131 \ubca0\uc774\uc2a4\uc758 \ubd84\ud574\ub97c \ucd94\uc801\ud588\uc2b5\ub2c8\ub2e4. \uc0c9\uc0c1 \ubcc0\ud654, \ud65c\uc131 \uc720\uc9c0\uc728, \uadf8\ub9ac\uace0 \uac00\uc7a5 \uc911\uc694\ud55c \ud558\uc774\ub4dc\ub85c\ud034\ub17c \uc0dd\uc131\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud588\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n

\n \n \n \n \n \n \n \n \n
\ud504\ub85c\ud1a0\ucf5c<\/th>\n Buffer \/ Protective System<\/th>\n pH \ub4dc\ub9ac\ud504\ud2b8(0\uc77c\ucc28 \u2794 45\uc77c\ucc28)<\/th>\n \ucf54\uc9c1\uc0b0 \uc720\uc9c0\uc728<\/th>\n Hydroquinone Detected<\/th>\n <\/tr>\n <\/thead>\n
\uc81c\uc5b4<\/td>\n \uc5c6\uc74c<\/td>\n 4.8 \u2794 3.6<\/td>\n 31% (Dark Brown)<\/td>\n 145 ppm (Fail)<\/td>\n <\/tr>\n
Protocol A<\/td>\n 0.1% EDTA<\/td>\n 4.8 \u2794 4.1<\/td>\n 68% (Yellow)<\/td>\n 35 ppm (Fail)<\/td>\n <\/tr>\n
Protocol B<\/td>\n 0.1% EDTA + 0.2% Sodium Metabisulfite<\/td>\n 4.8 \u2794 4.3<\/td>\n 89% (Light Yellow)<\/td>\n 12 ppm (Borderline)<\/td>\n <\/tr>\n
Optimized Protocol<\/td>\n EDTA + Metabisulfite + Citric Acid\/Sodium Citrate Buffer<\/td>\n 5.2 \u2794 5.1<\/td>\n 97% (Clear)<\/td>\n Undetected (Pass)<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n

\n \uc6d0\uc2dc \ub370\uc774\ud130\ub294 \uc81c\ud615\uc758 \ud604\uc2e4\uc744 \ub4dc\ub7ec\ub0c5\ub2c8\ub2e4. \ud0ac\ub808\uc774\ud2b8\uc81c(EDTA)\ub97c \ucd94\uac00\ud558\ub294 \uac83\ub9cc\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud56d\uc0b0\ud654\uc81c(\uc544\ud669\uc0b0\uc218\uc18c\ub098\ud2b8\ub968)\ub97c \ucd94\uac00\ud558\ub294 \uac83\ub9cc\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. pH\ub97c \uace0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/strong> \ucd5c\uc801\ud654\ub41c \ud504\ub85c\ud1a0\ucf5c\uc740 \ucf54\uc9c1\uc0b0\uc774 \ubb3c\uc744 \uc0b0\uc131\ud654\ud558\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uc5ec \uc54c\ud30c \uc54c\ubd80\ud2f4\uc774 \uac00\uc218\ubd84\ud574\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.\n <\/p>\n\n

3\uac00\uc9c0 \uc808\ub300 \ubc30\ud569 \uaddc\uce59<\/h2>\n
    \n
  1. Lock the pH.<\/strong> \ud65c\uc131 \uc131\ubd84\uc744 \ucd94\uac00\ud558\uae30 \uc804\uc5d0 \uc644\ucda9 \uc2dc\uc2a4\ud15c\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \uc5c4\uaca9\ud55c pH\ub97c \ubaa9\ud45c\ub85c \ud569\ub2c8\ub2e4. 0 ~ 5.5<\/span>.<\/li>\n
  2. Cage the metals.<\/strong> Use 0.1% Disodium EDTA in the heated water phase. You must scavenge every trace metal before introducing Kojic Acid.<\/li>\n
  3. Use an oxygen scavenger.<\/strong> \uc544\ud669\uc0b0\uc218\uc18c\ub098\ud2b8\ub968(0.1% \u2013 0.2%)\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4. \uc0b0\ud654 \uc190\uc0c1\uc744 \ud761\uc218\ud558\uc5ec \ucf54\uc9c1\uc0b0\uc774 \uc190\uc0c1\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud569\ub2c8\ub2e4. (\ucc38\uace0: \uc57d\uac04\uc758 \ud669 \ub0c4\uc0c8\ub97c \uc9c0\ub2a5\uc801\uc73c\ub85c \ub9c8\uc2a4\ud0b9\ud558\uc9c0 \uc54a\uc73c\uba74 \uc81c\ud488\uc774 \ubbf8\uc801\uc73c\ub85c \uc2e4\ud328\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.)<\/em><\/li>\n
  4. Cold processing only.<\/strong> \ub450 \uc131\ubd84 \ubaa8\ub450 \uc5f4\uc5d0 \ub9e4\uc6b0 \ubd88\uc548\uc815\ud569\ub2c8\ub2e4. \uc808\ub300 35. \uc774\uc0c1\uc758 \uc628\ub3c4\uc5d0 \ub178\ucd9c\uc2dc\ud0a4\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc2e4\uc628 \ubb3c\uc5d0 \ubbf8\ub9ac \ub179\uc5ec \ucd5c\uc885 \ub0c9\uac01 \ub2e8\uacc4\uc5d0\uc11c \ucca8\uac00\ud569\ub2c8\ub2e4. 40\u00b0C<\/strong>.<\/li>\n <\/ol>\n\n

    \uaddc\uc81c \ud658\uacbd<\/h2>\n

    \n \uaddc\uc81c \ud658\uacbd\uc740 \uc804 \uc138\uacc4\uc801\uc73c\ub85c \uac15\ud654\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc720\ub7fd SCCS(\uc18c\ube44\uc790 \uc548\uc804 \uacfc\ud559 \uc704\uc6d0\ud68c)\ub294 \uc548\uc804 \ub9c8\uc9c4\uc744 \ucd5c\uc885 \ud655\uc815\ud588\uc2b5\ub2c8\ub2e4.\n <\/p>\n

      \n
    • \ucf54\uc9c1\uc0b0:<\/strong> \uc5bc\uad74 \ubc0f \uc190 \uc81c\ud488\uc758 \uacbd\uc6b0 1%\ub85c \uc5c4\uaca9\ud558\uac8c \uc81c\ud55c\ub429\ub2c8\ub2e4.<\/li>\n
    • \uc54c\ud30c \uc54c\ubd80\ud2f4:<\/strong> \uc548\uba74 \ud06c\ub9bc\uc5d0 \ucd5c\ub300 2%\uae4c\uc9c0 \ud5c8\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n <\/ul>\n

      \n \ub354 \uc774\uc0c1 4% \ucf54\uc9c1\uc0b0\uc73c\ub85c \ud53c\ubd80 \ubbf8\ubc31\uc744 \uac15\uc81c\ub85c \ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ubc95\uc73c\ub85c \uae08\uc9c0\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc815\ubc00\ud558\uace0 \uacc4\uc0b0\ub41c \uc2dc\ub108\uc9c0\uc5d0 \uc758\uc874\ud574\uc57c \ud569\ub2c8\ub2e4. 2% \uc54c\ud30c \uc54c\ubd80\ud2f4 \ubc0f 1% \ucf54\uc9c1\uc0b0<\/strong>\uc774\ub294 \uc804\ub2ec \uc2dc\uc2a4\ud15c, \uc644\ucda9 \ud504\ub85c\ud1a0\ucf5c \ubc0f \uc6d0\ub8cc \uc21c\ub3c4\uac00 \uc644\ubcbd\ud574\uc57c \ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uace0\uc131\ub2a5 \uc2a4\ud0a8\ucf00\uc5b4\ub294 \ud0c0\ud611\ud558\uc9c0 \uc54a\ub294 \uc6d0\ub8cc\uc5d0\uc11c \uc2dc\uc791\ub429\ub2c8\ub2e4. \uc800\ub834\ud558\uace0 \ubd88\uc548\uc815\ud55c \ubd84\ub9d0\ub85c \ud654\ud559\uc801\uc73c\ub85c \ud6cc\ub96d\ud55c \uc81c\ud615\uc744 \ub9dd\uce58\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.\n <\/p>\n\n

      \n\n
      \n \ucc38\uc870 \ubc0f \uacf5\uac1c \ub370\uc774\ud130 \uc18c\uc2a4 \uc0c1\ub2f4:<\/strong>\n
        \n
      • SCCS (Scientific Committee on Consumer Safety), Opinion on the safety of Kojic Acid (SCCS\/1637\/21). Final version adopted March 2022.<\/li>\n
      • SCCS, Opinion on the safety of alpha-arbutin (SCCS\/1642\/22). Final version adopted March 2023.<\/li>\n
      • Burnett, C. L. \ub4f1. \"\ud654\uc7a5\ud488\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ucf54\uc9c1\uc0b0\uc758 \uc548\uc804\uc131 \ud3c9\uac00 \ucd5c\uc885 \ubcf4\uace0\uc11c.\" \uad6d\uc81c \ub3c5\uc131\ud559 \uc800\ub110 29.6 (2010): 244S-273S.<\/li>\n
      • Smit, N., Vicanova, J., & Pavel, S. \"\ucc9c\uc5f0 \ud53c\ubd80 \ubbf8\ubc31\uc81c \ucc3e\uae30.\" \uad6d\uc81c \ubd84\uc790 \uacfc\ud559 \uc800\ub110 10.12 (2009): 5326-5349.<\/li>\n <\/ul>\n <\/div>\n\n<\/div>","protected":false},"excerpt":{"rendered":"

        \ud654\uc7a5\ud488 \uc81c\uc870 \uc2e4\ud5d8\uc2e4\uc5d0 \ub4e4\uc5b4\uac00\uc11c \uc218\uc11d \ud654\ud559\uc790\uc5d0\uac8c \uc54c\ud30c \uc54c\ubd80\ud2f4\uacfc \ucf54\uc9c1\uc0b0\uc744 \ud63c\ud569\ud574 \ub2ec\ub77c\uace0 \uc694\uccad\ud574 \ubcf4\uc138\uc694. \uadf8\ub4e4\uc758 \uc5bc\uad74\uc774 \uc2e4\ub9dd\ud558\ub294 \uac83\uc744 \ubcf4\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4. \ube0c\ub79c\ub4dc\ub4e4\uc740 \uc774\uac83\uc744 \uc88b\uc544\ud569\ub2c8\ub2e4\u2026<\/p>","protected":false},"author":8,"featured_media":11051,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[],"class_list":["post-15388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-news"],"yoast_head":"\nThe Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols - Shaanxi Huatai Bio-Fine Chemical Co., Ltd.<\/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:\/\/glabridinchina.com\/ko\/the-brutal-chemistry-of-alpha-arbutin-and-kojic-acid-ph-conflicts-stability-data-and-compounding-protocols\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Brutal Chemistry of Alpha Arbutin and Kojic Acid: pH Conflicts, Stability Data, and Compounding Protocols\" \/>\n<meta property=\"og:description\" content=\"Walk into any cosmetics manufacturing lab and ask the head chemist to mix Alpha Arbutin with Kojic Acid. 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