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BIOSPHERE-AIOne plant. An Eastern mission.

Hydrating · Soothing · Barrier repair · Conditioning

Betaine

Betaine

甜菜碱

INCI
Betaine
Family
植物提取物
Typical use level
0.5–5%
pH window
3.0–9.0

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Incompatibilities and failure points

化学上很宽容,真正的冲突不多,但它本质上是电解质性质的小分子,这一点决定了它的两个坑。第一,用量超过约 3–5% 会对卡波姆类增稠体系产生明显降粘作用,凝胶体系要么改用耐电解质增稠剂,要么把用量压下来,不能靠加大卡波姆用量硬补。第二,与盐类共用会叠加降粘,并且会改变表活体系的盐增稠曲线,洗面奶调粘度时必须在含甜菜碱的实际体系里重新标定加盐量,沿用空白配方的曲线一定偏。与阴离子表活相容性很好,是氨基酸洁面里的常客。另外必须提醒一个中文命名陷阱:「甜菜碱」与「椰油酰胺丙基甜菜碱(Cocamidopropyl Betaine)」完全不是一种东西,后者是两性表活,两者在规格书、物料编码和检验项上必须彻底分开,车间串料会直接毁掉一整锅。

Stability

化学稳定性很好:耐热、耐宽 pH 区间、不见光敏、不易氧化,乳化阶段或冷却阶段加入都可以,在加速试验里基本不构成变量。它不是理想的微生物营养源,但也不提供任何保护,防腐按常规体系设计即可。这一支真正的稳定性问题不在料体端而在粉料端:无水甜菜碱粉极易吸潮,吸潮后先结块,严重时潮解成糊,称量精度和投料效率都会受影响。高浓度水溶液牌号在低温下可能析出结晶,冬季运输与仓储要留意,析出后可用温水加热复溶,但必须确认完全澄清后再投料,不能带着未溶结晶入锅。

Processing notes

粉料储存是这一支的头号实务问题:开封后必须立即密封,建议加干燥剂并按小包装分装,车间湿度大的季节尽量不要在敞开环境长时间称量。已经结块的料在使用前要先判断是单纯物理结块(可打散复溶,仍可用)还是已经潮解(应报废),不要为了省料把潮解的粉倒进锅里。溶解方面,它在常温水中溶解度很高,但一次性大量倒入会在锅底形成高浓度层并结团,应该边搅拌边分次加入,或者先配 20–30% 母液再投。溶解过程略微吸热,冬季用冷水溶解会明显变慢,用 35–40℃ 温水即可加快,不需要更高温度。市面上也有 40–50% 的液体牌号,液体省掉了吸潮的麻烦,但要按固含折算并注意冬季析晶,报价单与配方表上要写清是粉料还是液体牌号,不能混着报。用它替换部分多元醇是常见的降本手段,但替换后黏腻感和成膜感都会下降,必须在打样单上提前说明,让品牌方带着预期评估。

What it addresses

甜菜糖蜜来源的天然相容性溶质,与依克多因同属渗透调节类小分子,只是分子更简单、成本低得多。在配方里主要承担吸湿保湿方向,也常用于降低表活体系刺激感受的方向。实际使用中一个很有价值的用法是替换掉一部分甘油:在保持保湿的同时减轻甘油带来的黏腻,是性价比最高的肤感调整手段之一。

Market direction

中国 / CN
作为化妆品原料的常规使用方向,按现行原料目录与备案要求核对来源与规格,以最新官方文本为准。
欧盟 / EU
作为化妆品成分常规使用,注意与两性表活类甜菜碱的名称区分,以最新官方文本为准。
美国 / US
常规使用方向,按目标渠道规则复核标签与宣称,以最新官方文本为准。
亚太 / APAC
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.
06665
Standard Chinese name
甜菜碱
Max historical use, leave-on
20%
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 (06665)
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 (74520) · 功能 HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING - HUMECTANT
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
三甲基甘氨酸,无水甜菜碱,TMG,Trimethylglycine,Glycine Betaine
CAS
107-43-7
Suits formats
Serum · Essence · Toner · Lotion · Cream · Sheet mask · Cleanser · Gel
Halal and vegan
常见为甜菜糖蜜来源,也存在合成来源牌号;植物来源牌号通常可做 vegan,清真需供应商出具证明并确认生产路线与来源。
Cost band
Value
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.