{"id":9754,"date":"2026-09-03T16:21:28","date_gmt":"2026-09-03T08:21:28","guid":{"rendered":"https:\/\/www.zleygroup.com\/?p=9754"},"modified":"2026-09-03T16:21:28","modified_gmt":"2026-09-03T08:21:28","slug":"natural-soothing-agent-for-sensitive-skin","status":"publish","type":"post","link":"https:\/\/www.zleygroup.com\/ja\/natural-soothing-agent-for-sensitive-skin\/","title":{"rendered":"\u654f\u611f\u808c\u306e\u305f\u3081\u306e\u5929\u7136\u306e\u93ae\u9759\u6210\u5206"},"content":{"rendered":"

ZLEY\u00aePE210-KAENDA (CAS 84696-40-2):<\/strong> <\/strong><\/p>\n\n\n\n

\u654f\u611f\u808c\u306e\u305f\u3081\u306e\u5929\u7136\u306e\u93ae\u9759\u6210\u5206<\/strong><\/strong><\/p>\n\n\n\n

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<\/figcaption><\/figure>\n\n\n\n

\u88fd\u54c1\u6982\u8981<\/strong><\/p>\n\n\n\n

ZLEY\u00aePE210-KAENDA is a natural active ingredient derived from the leaves, roots, and stems of the Piper methysticum G. Forster plant, commonly known as kava kava<\/a>. It is primarily used as a \u76ae\u819a\u30b3\u30f3\u30c7\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u5264<\/strong> in cosmetics<\/a>.<\/p>\n\n\n\n

The extract contains kavalactones (including kavain, dihydrokavain, methysticin, dihydromethysticin, yangonin, and desmethoxyyangonin), volatile oils, piperine, crude fats, and various amide compounds<\/a>. It exhibits excellent antioxidant effects and penetration-enhancing properties<\/a><\/a>.<\/p>\n\n\n\n

ZLEY\u00ae is a professional supplier of this ingredient, providing consistent quality, technical support, and global delivery services covering over 60 countries.<\/p>\n\n\n\n

\u88fd\u54c1\u60c5\u5831<\/strong><\/p>\n\n\n\n

\u30d1\u30e9\u30e1\u30fc\u30bf<\/td>\u4ed5\u69d8<\/td><\/tr>
INCI\u540d<\/strong><\/td>\u30d1\u30a4\u30d1\u30fc\u30e1\u30c1\u30b9\u30c6\u30a3\u30ab\u30e0\u6839\u30a8\u30ad\u30b9<\/td><\/tr>
CAS\u756a\u53f7<\/strong><\/td>84696-40-2<\/td><\/tr>
\u5916\u89b3<\/strong><\/td>Light yellow to yellow granules and powder<\/a><\/td><\/tr>
\u63a8\u5968\u4f7f\u7528\u6cd5<\/strong><\/td>0.1% \u2013 1.0%<\/td><\/tr>
\u6eb6\u89e3\u5ea6<\/strong><\/td>\u6c34\u6eb6\u6027<\/td><\/tr>
\u52a0\u5de5<\/strong><\/td>Add to the formulation at approximately 55\u00b0C and mix thoroughly<\/td><\/tr>
\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong><\/td>Serums, creams, masks, color cosmetics, makeup removers, hair dye and perm products<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Is Kava (Piper methysticum) Leaf\/Root\/Stem Extract Safe?<\/strong><\/p>\n\n\n\n

Important Safety Note:<\/strong> The Cosmetic Ingredient Review (CIR) Expert Panel has examined kava-derived ingredients and concluded that the available data are insufficient to support the safety of these ingredients in cosmetics<\/strong><\/a>. The FDA issued a consumer advisory in 2002 expressing concern about liver damage in individuals who have ingested kava products<\/a>. However, the question of whether these ingredients would be substantially absorbed through the skin remains unresolved<\/a>.<\/p>\n\n\n\n

Based on historical use data from marketed products in China, the following maximum safe concentrations have been established for cosmetic use:<\/p>\n\n\n\n