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Dehydroacetic Acid
Methylacetopyronone, Biocide 470F

Formula: C8H8O4 Molecular Weight: 168.15 Cas No:520-45-6; 771-03-9; 16807-48-0
Preservative
Chemical formula
d
2011-11-07
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功能?

c
2012-06-11
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化妝品防腐劑成分使用基準表
74年7月23日衛署藥字第539747號公告
Dehydroacetic acid and its salts 0.5%

2020-07-22
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CIR安全審查:CIR專家小組發現,含有這些成分的化妝品在許多臨床試驗中實際上無刺激性,不致敏性,不光敏性和無光毒性。
CIR專家小組指出,脫氫乙酸鈉和脫氫乙酸在低濃度(小於等於0.6%)對細菌和真菌均是有效的抗菌劑,並且脫氫乙酸的最適pH範圍為2至4。通過阻止微生物的生長而不是殺死微生物來採取行動。

https://cosmeticsinfo.org/ingredient/dehydroacetic-acid

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