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Antioxidant · Soothing · Anti-ageing

Ergothioneine

Ergothioneine

麦角硫因

INCI
Ergothioneine
Family
发酵物
Typical use level
0.01–0.1%
pH window
4.0–7.5

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Incompatibilities and failure points

最需要警惕的是金属离子:与铁、铜含量较高的植物提取物、部分黏土与矿粉、未经纯化的果蔬提取物同用时,可能形成有色络合物,料体在货架期逐渐转粉、转灰或转褐。这类组合上中试之前必须先做 1:1 小样兼容并在 45℃ 放四周观察颜色,绝不能凭理论直接放大。与过氧化物、高浓度过硫酸盐等强氧化体系同用会被持续消耗,昂贵的活性物白花钱。与其它含硫化合物同用需评估气味叠加与相互消耗。若配方里已经有铜肽类原料,两者在机理上互相牵制,不建议放进同一支产品。与高浓度阳离子表活的相容性缺少通用经验,需单独验证。

Stability

干粉状态稳定性好,常温密封储存问题不大。水溶液在中性偏酸区相对稳定,但只要体系里存在游离过渡金属离子,尤其是铜和铁,消耗速度和变色速度都会明显加快。配套做法有三条:体系里同步加入螯合剂(EDTA 类或植酸)、控制生产用水的金属离子含量、避免使用带锈或裸露铁质的辅具与未钝化管路。它的光稳定性相对有限,但实践中成品色变多数来自金属络合而不是光解,所以排查变色时应该先查金属和水质,而不是先去换避光包材,换包材往往解决不了问题还多花钱。高温长时间加热会造成损失,建议冷却阶段加入。

Processing notes

单价极高,称量误差同时是成本问题和稳定性问题:小批量必须用万分之一天平,并且先配 1:100 或 1:1000 母液再投料,不要直接称取毫克级粉末,静电和挂壁会让实际投料量严重失真。母液当班用完,不隔夜。投料放在冷却阶段(40℃ 以下),顺序上先让螯合剂进水相把金属离子锁住,再加麦角硫因,顺序反过来会在最开始的几分钟就损失一部分。生产用水优先用纯化水并检测金属离子;不锈钢锅具没有问题,但要避免带锈辅具、铁质刮刀和未钝化管路。商务上要注意很多品牌方对「0.01% 也算添加」没有概念,报价时应同时给出浓度与对应成本区间,并把浓度写进打样单,避免后期为了压价悄悄降浓度而埋下纠纷。来料同样要看 HPLC 纯度与手性(L-型),并要求报告可追溯到原厂批号。

What it addresses

天然存在的含硫组氨酸衍生物,在生理 pH 下以硫酮式为主而非硫醇式,因此不像常见硫醇类那样容易自身氧化,常用于抗氧化与调节体系氧化应激的方向。它对过渡金属离子具有螯合能力,这既是其作用机理的一部分,也是配方设计上必须提前处理的变量。近年询盘增长很快,但因单价极高,实际方案的添加量普遍很低。

Market direction

中国 / CN
作为化妆品原料的准入身份与备案资料需按现行原料目录逐项确认,不同来源与规格的原料身份可能不同,以最新官方文本为准。
欧盟 / EU
作为化妆品成分使用,需按最新官方文本复核并在产品信息文件中保留纯度、手性与生产工艺资料,以最新官方文本为准。
美国 / US
常规使用方向,宣称按目标渠道规则复核,以最新官方文本为准。
亚太 / APAC
日韩市场关注度高,准入与规格按目标市场规则复核,以最新官方文本为准。

Listing in the China inventory

Inventory no.
04576
Standard Chinese name
麦角硫因
Max historical use, leave-on
7.5%
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 (04576)
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 (56156) · 功能 ANTIOXIDANT, SKIN CONDITIONING - MISCELLANEOUS
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
L-麦角硫因,EGT,硫代组氨酸三甲基内盐,L-Ergothioneine
CAS
497-30-3
Suits formats
Serum · Essence · Cream · Lotion · Toner · Sheet mask
Halal and vegan
主流商品化路线为微生物发酵法生产,非动物来源,一般可做 vegan;清真需供应商出具证明并确认发酵培养基组分。
Cost band
Premium
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.