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Bismuth Oxychloride
Wismuthoxichlorid, CI 77163
氯氧化铋
分子量:260.43 Cas No:7787-59-9
自地壳取得之矿物,具亮粉光泽的珠光粉体,称之为人工珍珠之珠光色料,亲油性,会产生些许油光效果,有些微肌肤防护能力。
2010-07-06

但是很多使用者说这个成份其实很可能导致粉刺。

i
2014-09-11

颜料,提高亮度剂

M
2015-03-23

Some people react to bismuth oxychloride due to its unique crystalline structure. What happens is that the crystals can "poke" at skin and get stuck in the pores, where the sharper "spokes" can cause irritation. This is more of a problem when bismuth oxychloride is the main ingredient in powder makeup.

我用完这个product会有少许敏感起粒粒, 本来没什么, 但每次一用它就是这样, 不知是否关于这个成份? 个人觉得这个brand其实没有宣传般对skin温和

m
2015-10-27

是造成粉刺痘痘的成份之一

~FROM PAULA'S CHOICE~

Rating: AVERAGE

Categories: Texture Enhancer, Absorbent
Also known as synthetic pearl, it’s the primary ingredient included in most powders that are referred to as "mineral makeup."

Some cosmetic companies claim that bismuth oxychloride is natural and better for skin than talc. The truth is that in many ways talc is a more natural, unadulterated, pure ingredient than bismuth oxychloride.

Bismuth oxychloride, which seldom occurs in nature, is manufactured by combining bismuth, a by-product of lead and copper metal refining, with chloride (a chlorine compound) and water. It's used in cosmetics because it has a distinct shimmery, pearlescent appearance and a fine white powder texture that adheres well to skin.

Bismuth oxychloride is heavier than talc. Pure bismuth is a naturally occurring, grayish-white powder. It and its derivatives are used as skin protectives, thickeners, and absorbent agents.

Bismuth oxychloride was permanently listed by the FDA as a coloring agent in 1977 and for use as a synthetic ingredient.

Some people react to bismuth oxychloride due to its unique crystalline structure. What happens is that the crystals can "poke" at skin and get stuck in the pores, where the sharper "spokes" can cause irritation. This is more of a problem when bismuth oxychloride is the main ingredient in powder makeup.

Pure concentrations of bismuth oxychloride nanoparticles appear to have a negative effect on human skin cells.

References for this information:
Food and Chemical Toxicology, June 2015, pages 52-61
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?fr=73.2162&SearchTerm=bismuthoxychloride
http://bismuth.atomistry.com/production.html

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