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Hydrating · Soothing · Barrier repair · Repair

Ectoin

Ectoin

依克多因

INCI
Ectoin
Family
发酵物
Typical use level
0.3–2%
pH window
3.0–9.0(实际使用多在 4.5–7.0)

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Incompatibilities and failure points

化学上非常温和,几乎没有典型的配伍禁忌,这正是它的价值所在。需要提醒的不是冲突而是误解:它对体系粘度和肤感的贡献接近于零,常被误以为加了就能改善手感,配方上必须靠其它组分撑手感,否则客户会觉得「加了很贵的东西却没感觉」。高用量时会略微提高体系渗透压,若配方同时使用卡波姆类增稠体系并含较多盐类,可能出现粘度下降,这时应改用耐电解质增稠剂,而不是靠加大增稠剂用量硬顶。与强氧化或强还原体系未见普遍冲突,但极端 pH 加高温的组合仍建议实测,不要凭「它很稳」直接跳过。

Stability

是稳定性最省心的一类活性物之一:耐受常规乳化温度,pH 适应范围宽,不见光敏、不易氧化,加速试验中通常不构成变量。它本身不是防腐剂,也不给微生物提供额外营养,但纯水溶液体系仍需按常规设计防腐。真正的风险不在稳定性而在来料:市面上掺假、低纯度、以其它相容性溶质冒充的情况都存在,而它在成品里既不显色也不显味,一旦买到问题料,通过感官和常规理化指标根本发现不了,只能靠来料端拦住。

Processing notes

这一支单价高、客户点名率高,来料验证是整条链上最该花力气的环节:每批索取 HPLC 纯度图谱与含量数据,并核对报告上的批号能否追溯到原厂批号,必要时送第三方复检;只有文字版 COA 不足以放行。水溶性极好,常温直接溶于水相即可,不需要加热助溶,建议放在冷却阶段加入以减少无谓的热暴露。白色结晶粉末,称量后立即封口,干燥密封储存。最容易出事的地方是漏投:因为它不改变外观、气味、粘度和 pH,产线上漏加一整锅也不会有人察觉,所以必须把它列入关键投料双人复核清单并保留称量记录,这是这一支的头号工厂风险。商务上,配方定稿前先按目标到岸价倒推可用浓度,不要先按 2% 打样再往下砍,砍浓度会直接让客户产生缩水印象。

What it addresses

来自极端环境微生物的相容性溶质,属于「优先排阻」型的水结构调节分子:它不直接结合到蛋白与膜表面,而是改变周围水分子的排布状态,常用于外界刺激条件下降低体系应激反应的方向,以及保湿与屏障舒缓方向。分子小、水溶性极好、化学性质惰性,几乎不改变体系的外观、粘度和 pH,是少见的「加进去不惹麻烦」的活性物,这也是它在配方上受欢迎的主要原因。

Market direction

中国 / CN
作为化妆品原料的常规使用方向,需按现行原料目录与备案要求核对来源、规格与安全信息资料,以最新官方文本为准。
欧盟 / EU
作为化妆品成分常规使用,产品信息文件中保留纯度与生产工艺资料,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
日韩市场使用广泛,属常规使用方向,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.
06443
Standard Chinese name
四氢甲基嘧啶羧酸
Max historical use, leave-on
7%
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 (06443)
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 (56122) · 功能 SKIN CONDITIONING
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
依克多因,四氢甲基嘧啶羧酸,Ectoine,THP(A)
CAS
96702-03-3
Suits formats
Serum · Essence · Toner · Lotion · Cream · Sheet mask · Gel
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来源。
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.