Cocamidopropyl Betaine
Cocoamidopropyl Betaine, Cocoamido propyl Betaine, CAPB, Cocoyl Amide Propyldimethyl Glycine
Formula: C19H38N2O3 Molecular Weight: 342.52 Cas No:61789-40-0; 83138-08-3; 86438-79-1
Surfactant; Hydrophilic Thickener; Cleaning agent; Foam Booster; Antistatic, yellow transparent viscous liquid, quaternary ammonium salt zwitterionic surfactant extracted from coconut oil and dimethylaminopropylamine, has cleaning and conditioning effects, It is often used as a surfactant in shampoo and hand soap; or to increase the emulsification and thickening effect of cosmetics; it is also commonly used in hair care products due to its antistatic properties [1].

In terms of surfactants, their effects are average, so they usually do not cause irritation to the skin or mucous membranes. It also has the ability to sterilize and disinfect, and is suitable for use in personal hygiene products [1].
[1] Wikipedia, the free encyclopedia, http://en.wikipedia.org.
Chemical formula
a
2013-05-29
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我不懂為何台灣維基寫用古柯葉,明明就是椰子油起泡,不含椰子油是怎回事?查證國外wiki得到以下說明
椰油酰胺丙基甜菜鹼(CAPB)是從椰子油和二甲基氨基丙胺衍生的有機化合物 。 [1],它是一種兩性離子 ,包括一個季銨陽離子和羧酸鹽 。 CAPB可為粘稠的淺黃色溶液,作為表面活性劑 ,在個人護理產品中使用。 反映了該分子的主要部分, 月桂酸基,來自椰子油的名稱。 已經大幅取代椰油酰胺DEA 。

a
2013-05-29
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椰油酰胺丙基甜菜鹼椰油酰胺和甘氨酸甜菜鹼的組合可以被看作是。 然而,它是製備相結合,是來自於二甲基氨基丙胺和月桂酸酰胺氯乙酸 :
CH 3(CH 2)10 C(O)N(H)CH 2 CH 2 CH 2 N(CH 3)2 + CLCH 2 CO 2 H +的NaOH→CH 3(CH 2)10 C(O)N(H N +(CH 3)2)CH 2 CH 2 CH 2 CH 2 CO 2 - +鹽+ H 2 O
規格和性能 [ 編輯 ]

椰油酰胺丙基甜菜鹼在香波中用作增泡劑[2],它是一種中等強度的表面活性劑也可用於浴用製品如洗手皂 。 也正是在化妝品中作為乳化劑和增稠劑 ,以減少刺激單純的離子的表面活性劑會導致。 它也可作為抗靜電劑 護髮 。 其中最常見的,不刺激皮膚或粘膜 。 這就是說,一些研究表明,它是一種過敏原。 [3] [4] [5]它還具有防腐特性,使得它適用於個人衛浴產品。 與其他陽離子,陰離子,非離子型表面活性劑,它是兼容的。
CAPB得到的水溶液的濃度為30%左右。
有效* 氯化鈉 4.6 - 5.6%
今天領先的製造商的典型雜質:
氯乙酸鈉 <5 ppm的

另外國外有研究會致敏。

s
2015-05-16
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所以是不是添加濃度太高也不適合過敏肌?

t
2015-10-21
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Suspected to be an environmental toxin
來源:http://www.ewg.org/skindeep/ingredient/701520/COCAMIDOPROPYL_BETAINE/#

2017-03-05
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椰油酰胺丙基甜菜碱有较高的引起皮肤过敏的可能,敏感肌应避免

c
2017-08-30
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請問這個界面活性劑屬於哪一個類別,是陰離子型、陽離子型、兩性型、非離子型哪一種?

c
2017-10-26
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兩性界面活性劑

p
2017-12-30
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究竟刺激性是4 還是1?
根據網上一篇投稿, Cocamidopropyl Betaine 烷基醯胺甜菜鹼
去脂力: 低
酸鹼性: 中-弱鹼
刺激性: 溫和無刺激性
屬於兩性型清潔劑


http://www.shs.edu.tw/works/essay/2014/03/2014033022051683.pdf

S
2019-04-09
people liked

Alguien sabe pq sale con un 4 en seguridad??? Quería cogerme el good morning gel tan famoso pero veo q su segundo ingrediente es este y está en amarillo y Núm 4 y no entiendo chino

2019-05-15
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342.524g/mol

t
2019-08-10
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SUPE, parece estar relacionado con el riesgo de cáncer en seres humanos

S
2019-08-30
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I use Google to translate other languages. I just copy & paste.
I got this ingredient in a Facial Cleanser in a beauty bag. I am going to pass on using it.

c
2019-09-12
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很多洗髮精 都有這個成份

2019-12-23
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MF: C19H38N2O3 MW: 342.5g/mol

f
2020-04-02
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椰油酰胺丙基甜菜碱过敏反应
有些人在使用含有CAPB的产品时会有过敏反应。2004年,美国接触性皮炎协会宣布CAPB为“年度过敏原”。
从那以后,2012年的一项科学综述研究发现,导致过敏反应的不是CAPB本身,而是制造过程中产生的两种杂质。
这两种刺激物是氨基酰胺(AA)和3-二甲基氨基丙胺(DMAPA)。在多项研究中,当人们接触不含这两种杂质的CAPB时,他们没有过敏反应。已纯化的高等级CAPB不含AA和DMAPA,不会引起过敏反应。

https://www.healthline.com/health/cocamidopropyl-betaine

S
2020-07-17
people liked

Translating the comment from user ftbase:


“Some people have allergic reactions when using products containing CAPB. In 2004, the American Contact Dermatitis Association declared CAPB as the "Allergen of the Year".
Since then, a scientific review study in 2012 found that it is not the CAPB itself that caused the allergic reaction, but two impurities generated during the manufacturing process.
The two stimuli are aminoamide (AA) and 3-dimethylaminopropylamine (DMAPA). In multiple studies, when people were exposed to CAPB that did not contain these two impurities, they had no allergic reactions. The purified high-grade CAPB does not contain AA and DMAPA and does not cause allergic reactions.”

c
2020-09-04
people liked

為何我只要洗,含有 sls、sles、als、 Cocoamidopropyl Betaine 的洗髮精 都會過敏(頭皮癢 頭皮皮膚過敏發炎 頭皮屑),而且有Cocoamidopropyl Betaine的洗髮精 洗了好像都會有銀屑,特別是那種洗髮精sls、Cocoamidopropyl Betaine 洗了,沒多久 頭皮會癢 皮膚過敏發炎,有大大 能介紹 不會過敏的洗髮精嗎?

有些洗髮精不知什麼原因 什麼成份過敏(或著有毒的成份),會造成眼睛 很痛 連帶頭也跟著痛,而且痛到 睡覺 根本睡不著。

s
2020-12-03
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有濕疹的人可以洗含這個的沐浴乳嗎?

L
2021-03-15
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it is a fatty acid

c
2021-06-25
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請問洗髮精 洗了造成過敏,可以要求賠償嗎?

c
2021-06-25
people liked

請問洗髮精 洗了造成過敏,為何我只要洗,含有 sls、sles、als、 Cocoamidopropyl Betaine 的洗髮精 都會過敏(頭皮癢 頭皮皮膚過敏發炎 頭皮屑),而且有Cocoamidopropyl Betaine的洗髮精 洗了好像都會有銀屑,特別是那種洗髮精sls、Cocoamidopropyl Betaine 洗了,沒多久 頭皮會癢 皮膚過敏發炎,有大大 能介紹 不會過敏的洗髮精嗎?

有些洗髮精不知什麼原因 什麼成份過敏(或著有毒的成份),會造成眼睛 很痛 連帶頭也跟著痛,而且痛到 睡覺 根本睡不著。可以要求賠償嗎?

c
2021-07-28
people liked

有什麼洗髮精,不含 Cocoamidopropyl Betaine、SLS、SLES、ALS 致敏防腐劑 香精 等,比較溫和 不會造成過敏 銀屑

s
2021-09-18
people liked

Cocamidopropyl betaine, Triethanolamine and Cocamide DEA/MEA(以及以'DEA'或'MEA'結尾的所有成分):這些成分被亞硝胺污染,亞硝胺是一種已知會對人類造成致癌風險的化學物質。

M
2022-02-05
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Cocamidopropyl betaine may cause allergic reactions and skin sensitivity and has been suspected to be a possible environmental toxin [1,2]. The chemical is subject to impurities created during its manufacturing process that can cause adverse skin reactions

J
2022-03-14
people liked

I've discovered I'm allergic to this after using multiple shampoos with this ingredient. I get itchy red bumps all other my forehead and hairline but when I stop using the shampoo they go away within a few days (so it's not acne. Also no whiteheads form). I've taken long periods of time in between trying shampoos. I was using one shampoo for 6 months that my hairdresser recommended. Then he suggested I switch it up due to weather changes. I got the bumps. Sure enough it had this ingredient. Switched back to my old shampoo, which doesn't contain it, and they went away.

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