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Antioxidant · Anti-ageing · Brightening

Ferulic Acid

Ferulic Acid

阿魏酸

INCI
Ferulic Acid
Family
多酚
Typical use level
0.1–0.5%
pH window
3.0–5.0(与L-抗坏血酸体系搭配时通常压到更低)

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Incompatibilities and failure points

根子上的问题是水溶性差:冷水中基本不溶,必须靠乙醇、丙二醇、丁二醇增溶,或用碱调成盐才能进水相。碱溶会显著推高体系pH,如果在维C体系里先加碱溶阿魏酸再加维C,维C会在那段高pH窗口里快速氧化,整批发黄甚至发橙——这是这条原料最典型也最贵的顺序错误。反过来若把pH压得过低(低于2.5),阿魏酸溶解度下降会析出针状结晶。与铁离子生成有色络合物;与阳离子体系相对温和但仍需实测;溶剂里含水比例高时冷藏易返晶,配方必须留出溶解余量而不是踩线做。

Stability

见光会发生顺反异构与降解,溶液由无色或淡黄逐步转深黄;pH上移与氧气加速氧化;高温加速。经典的维C加维E加阿魏酸体系必须整体低pH、低氧、避光,优先用不透光安瓶、真空泵或次抛。常见做法:pH控在3.0–3.5、加螯合剂、有条件做氮气保护灌装、包材避光。要提前跟客户说明的是,这个体系正常也会随时间轻微加深,所以稳定性验收标准必须事先约定颜色上限,写成不得变色的合同条款是不可能达成的。

Processing notes

加料顺序就是这条记录的核心。路线一(醇溶法,优先):先用乙醇或1,3-丙二醇、丁二醇在40–50℃下把阿魏酸溶清,再并入已配好的酸性水相,全程不加碱,pH用柠檬酸或乳酸微调。路线二(碱溶法,慎用):必须单独用极稀的氢氧化钠或氨甲基丙醇把阿魏酸溶成盐,随即用酸把这份预溶液回调到接近目标pH,再并入主体;绝不能把碱直接加进含维C的主锅。无论走哪条路线,L-抗坏血酸都应在体系pH已稳定在3.0–3.5、温度降到30℃以下之后最后加入,加完立即封罐减少顶空。放大的坑有两个:大罐调pH慢、局部碱度高,pH计要多点取样确认均匀;配好到灌装的等待时间越长颜色越深,SOP必须卡死时限,建议当班灌完,并把灌装线末端的料作为留样。

What it addresses

存在于米糠、燕麦等植物中的羟基肉桂酸类酚酸,在配方中最常见的用途是作为维C与维E体系的稳定化组分:它自身容易被氧化,从而延缓体系里其他更贵、更易氧化的活性物被消耗,同时调节体系整体的还原电位。也单独用于抗氧化方向。

Market direction

中国 / CN
作为化妆品原料常规使用,需确认原料收录状态与原料安全信息;若涉及功效方向宣称,按对应品类的评价要求准备资料;以最新官方文本为准。
欧盟 / EU
欧盟框架下作为化妆品成分常规使用,安全评估需覆盖纯度、来源(植物提取或合成)与残留溶剂;以最新官方文本为准。
美国 / US
美国按化妆品管理常规使用,关注成分安全支持文件与标签准确性,以及设施与产品登记义务;以最新官方文本为准。
亚太 / APAC
日韩及东南亚主要市场普遍可用,需按各国原料目录与宣称管理制度逐一复核;以最新官方文本为准。

Listing in the China inventory

Inventory no.
01020
Standard Chinese name
阿魏酸
Max historical use, leave-on
2.2278%
Source
国家药监局 2021 年第 62 号公告 · 已使用化妆品原料目录(2021年版)

Status by market inventory (exact INCI match)

中国 · Inventory of Existing Cosmetic Ingredients in China (2021)
Listed (01020)
印尼 · BPOM Technical Requirements for Cosmetic Ingredients (PerBPOM 17/2022)
Not listed
中国 · Safety and Technical Standards for Cosmetics — prohibited and restricted
Not on the prohibited/restricted list — not the same as unrestricted; check the full text and the responsible person
欧盟 · CosIng — European Commission cosmetic ingredient database
Listed (33935) · 功能 ANTIMICROBIAL, ANTIOXIDANT
欧盟 · Regulation (EC) No 1223/2009 — Annexes II to VI
Not on the prohibited/restricted list — not the same as unrestricted; check the full text and the responsible person
东盟 · ASEAN Cosmetic Directive — Annexes
Not on the prohibited/restricted list — not the same as unrestricted; check the full text and the responsible person
美国 · FDA prohibited and restricted cosmetic ingredients; color additives
Not on the prohibited/restricted list — not the same as unrestricted; check the full text and the responsible person
加拿大 · Cosmetic Ingredient Hotlist
Not on the prohibited/restricted list — not the same as unrestricted; check the full text and the responsible person
日本 · Standards for Cosmetics — appended tables
Not on the prohibited/restricted list — not the same as unrestricted; check the full text and the responsible person
韩国 · Regulation on Safety Standards for Cosmetics
Not on the prohibited/restricted list — not the same as unrestricted; check the full text and the responsible person
巴西 · ANVISA cosmetic ingredient restrictions and positive lists
Not on the prohibited/restricted list — not the same as unrestricted; check the full text and the responsible person
Matched on the exact INCI name; salts, esters and synonyms may be missed. The latest official text prevails.

Basics

Synonyms and botanical name
阿魏酸,反式阿魏酸,4-羟基-3-甲氧基肉桂酸,Ferulic Acid
CAS
1135-24-6(反式构型另见 537-98-4,以供应商COA标注为准)
Suits formats
Serum · Essence · Toner · Lotion · Cream
Halal and vegan
来源可为植物提取或合成,通常可做vegan主张,但需向供应商确认来源与工艺助剂;清真需供应商出具证明。
Cost band
Mid
Evidence strength

Others in this family

Compiled from published formulation knowledge and factory experience for selection reference. Not an efficacy claim; use levels describe common published ranges, not regulatory limits; market availability is governed by the latest official texts and reviewed by the brand and its responsible person.