DR.WU粉餅 驗出有毒重金屬鋇 - 美妝
By Dorothy
at 2014-04-17T16:41
at 2014-04-17T16:41
Table of Contents
身為一個在美妝板長期潛水的板友
我想就我的專業認知提供另一種觀點
希望大家不要只看單一報導而下結論
我看到這篇報導的第一個反應是
哇靠!這粉餅貨真價實啊!!!
先說,我的專業是地球化學(分析地球岩石中的成份)
這跟粉餅有什麼關係呢?
因為我注意到,驗出鋇的是"礦質"粉餅
我本身沒有用Dr. Wu的化妝品
我也不知道它用的是那種礦物
但我假設廠商是從地球表面採到的礦物
也因為我不知道它用哪一種礦物,所以我只好告訴大家一個平均值
上部大陸地殼(我假設廠商不會去海底也不會深鑽取樣)平均的鋇含量是
624ppm!!!
來源是地球科學權威書籍Treatise on Geochemistry
(Wiki裡列的是500ppm,因為含下部大陸地殼一起平均
但我說了我假設廠商不會深鑽取樣
我認為上部大陸地殼的平均值在本事件中更有代表性)
是在粉餅裡驗出量的100倍喲!
那麼大家覺得,含天然礦物的粉餅,驗出鋇會很奇怪嗎?
==
再來就是,礦物中的鋇,絕大部份是鋇鹽
而不是報導中說"會有刺激性,輕則發癢,重則潰爛"的鋇金屬
如果今天我跟大家說
金屬鈉會和水起爆炸反應,生成具腐蝕性的氫氧化鈉溶液
大家會害怕把食鹽加到水裡嗎?
一定不會,因為大家都知道,氯化鈉和金屬鈉是不一樣的東西
也因此,鋇鹽和金屬鋇是不一樣的東西
==
那麼鋇鹽在粉餅中到底會不會被吸收呢?
這個我還真的不知道,因為這是和皮膚相關的問題
但是!!!假設廠商用的真的是天然礦物
這些鋇都是存在礦物晶格結構中的,是原子-分子等級的結構
你就算把粉磨得再細,那個晶格結構還是在的
也沒有那麼細到可以讓你輕易在固態的狀況下釋出鋇離子
今天我如果把一般的石頭磨得很細很細灑在大家手上
應該不會有人覺得要中毒了吧XD
==
至於其他什麼人體每天最大容許攝取量已經有討論過了
就不再討論了
寫這篇的用意是希望大家不要被媒體影響而過度慌張
就我看來其實這篇報導反而證實廠商可能真的是用天然礦石啊...
--
我想就我的專業認知提供另一種觀點
希望大家不要只看單一報導而下結論
我看到這篇報導的第一個反應是
哇靠!這粉餅貨真價實啊!!!
先說,我的專業是地球化學(分析地球岩石中的成份)
這跟粉餅有什麼關係呢?
因為我注意到,驗出鋇的是"礦質"粉餅
我本身沒有用Dr. Wu的化妝品
我也不知道它用的是那種礦物
但我假設廠商是從地球表面採到的礦物
也因為我不知道它用哪一種礦物,所以我只好告訴大家一個平均值
上部大陸地殼(我假設廠商不會去海底也不會深鑽取樣)平均的鋇含量是
624ppm!!!
來源是地球科學權威書籍Treatise on Geochemistry
(Wiki裡列的是500ppm,因為含下部大陸地殼一起平均
但我說了我假設廠商不會深鑽取樣
我認為上部大陸地殼的平均值在本事件中更有代表性)
是在粉餅裡驗出量的100倍喲!
那麼大家覺得,含天然礦物的粉餅,驗出鋇會很奇怪嗎?
==
再來就是,礦物中的鋇,絕大部份是鋇鹽
而不是報導中說"會有刺激性,輕則發癢,重則潰爛"的鋇金屬
如果今天我跟大家說
金屬鈉會和水起爆炸反應,生成具腐蝕性的氫氧化鈉溶液
大家會害怕把食鹽加到水裡嗎?
一定不會,因為大家都知道,氯化鈉和金屬鈉是不一樣的東西
也因此,鋇鹽和金屬鋇是不一樣的東西
==
那麼鋇鹽在粉餅中到底會不會被吸收呢?
這個我還真的不知道,因為這是和皮膚相關的問題
但是!!!假設廠商用的真的是天然礦物
這些鋇都是存在礦物晶格結構中的,是原子-分子等級的結構
你就算把粉磨得再細,那個晶格結構還是在的
也沒有那麼細到可以讓你輕易在固態的狀況下釋出鋇離子
今天我如果把一般的石頭磨得很細很細灑在大家手上
應該不會有人覺得要中毒了吧XD
==
至於其他什麼人體每天最大容許攝取量已經有討論過了
就不再討論了
寫這篇的用意是希望大家不要被媒體影響而過度慌張
就我看來其實這篇報導反而證實廠商可能真的是用天然礦石啊...
--
Tags:
美妝
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