I have a skin rash that I now know it is an allergic reaction to coconut, and any organic compounds derived from it (Cocamides), in shampoos and body washes. 

I always have to check the surfactants (foaming agents).  My allergic response could start off as a slight reaction that can accumulate, or it can show itself as immediate severe inflammation.  Ironically Cocamidopropyl Betaine (CAPB) was in a lot of products recommended by my various dermatologists, such as Born to be Mild, Hegor 150 shampoo, Demodex Solutions, Cetaphil Restoraderm.  These were prescribed for possible Acne, Rosacea, Seborrhoeic Dermatitis, folliculitis - the diagnoses I got from these 'experts' were endless.  And so wrong!

By the way, I am 63 now and it was in the late sixties when I first experienced a low level of irritation on my face and chest.  Co-incidentally that was around the time Johnson & Johnson patented its first CAPB detergent-based shampoo: “No more tears” Baby Shampoo.  I was also seduced by the amazing smell of Revlon Flex balsam shampoo when I visited Australia in 1973.  I remember going from one shampoo to the next one, not realising that it was the Cocamides in them that were causing me problems in the first place!

I feel very strongly that there should be a warning about Cocamides, especially CAPB on bottles, but I keep reading that they are safe!  I find that so insulting when I look back and see how badly they impacted on my life - Sally by email