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Old 07-31-2012, 08:01 AM   #1
 
lcl0706's Avatar
 
Join Date: Jul 2011
Posts: 954
Default Contradictory information from the same NC author

Regarding sulfates, especially sodium coco-sulfate, I've heard opinions and information all over the place. Personally I like to refer to articles or research or the science behind something rather than someone's opinion, but that's nearly impossible to do when you, say, Google "sodium coco-sulfate" and find 2 articles written a few years apart by the same author that state completely different information. Logic would lead me to believe the most recent one, since maybe new science has come to light over the years, but my experience disagrees and it is incredibly frustrating to have all this mis-information floating around out there. You know one of the articles HAS to be wrong!

Quote:
Some anionic surfactants can provide comparatively gentle cleansing to the hair because they do not remove as many oils and fats. Anything with a carbon count above 12 (in even increments) is considered to be less harsh. Some examples of this are sodium myreth sulfate and sodium C14-16 olefin sulfonate. Also, sodium coco sulfate, derived from coconut oil, contains a mixture of chains containing anywhere from 8-18 carbons. This makes it gentler than SLS. There are also numerous nonionic surfactants, such as sorbitol, decyl glucoside, laureth 4-20, and decyl polyglucose, which contain no positively or negatively-charged groups. These surfactants are considered to be much less drying to the hair
That's taken from this article: Cleansing Agents in Shampoos Second paragraph above Summary.

Quote:
Sodium coco or cocoyl sulfate is sometimes seen on the labels of products wishing to market themselves as natural, gentle and luxurious. It is touted for being derived from coconut oil, which is true. It is typically a combination of sodium lauryl sulfate (usually around 50%) and sodium myristyl and palmityl sulfate (longer chain hydrocarbon tails). Although this is derived from coconut oil, it goes through a rigorous chemical reaction and purification process, and the result is a surfactant mixture that performs in the same manner as the ones derived from petrochemical feedstock sources.
That is taken from this article: Surfactants, Sulfates, and You

I've used Yes to Carrots as my go-to low poo for quite a while now. I find it incredibly gentle, despite the sodium coco sulfate which is like the 3rd cleanser down the ingredient list behind Lauryl and Decyl glucoside. I've also used a sodium myreth sulfate shampoo in the past with no real ill effects. Exclusive cowashing just does not work for me and I tried to change to SM Moisture Retention, with no sulfate or betaine in it at all, and while it's fine for a wash or two I can't use it like I used YTC - it just weighs me down and feels gunky and gross in the end.

I know it's all about how my hair reacts in the end to whatever I'm using but I don't want to strip it if that's what sodium coco sulfate does. It doesn't feel like I am stripping it, so honestly I'll probably keep right on using it. But if I were a newbie with no info or experience, reading these articles and not really paying attention to the dates they were published, I'd be confused. NC.com's articles are often the only relevant search result one gets when searching for curly hair care - either NC.com or Teri LaFlesh's website, which she herself says SLES is fine, it's just SLS to avoid. If an NC article is outdated or wrong, is there a way to take it down or correct it?
__________________
fine, thin, normal/(low?) porosity. Mod-CG. Usually I can't co-wash more than 1x a week, & sometimes I have to use T-Gel in rotation due to scalp issues.

Co-wash: VO5 Volumizing
Poo: Giovanni 50:50
RO:TN, Nexxus Youth Renewal, Alba Coconut
LI: KCKT
PT: gelatin PT, ION EC
Stylers: Giovanni mousse, TIGI Curls Rock amplifier (a-cone), Curls Rock Strong Hold Mousse
Gels: SCC spray gel

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