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@Lee - The problem with talk about silicones is that the language has been hijacked by people who are not trained in science and usually have some anti-silicone agenda. I'm not suggesting you are one of these and you raise some interesting questions.
1. Do you need a heavy duty clarifying shampoo? You state this as a fact, but in my years of laboratory testing of hair care products, I've not seen any proof that an SLS (or ALS) based shampoo takes silicones off the hair any better than an SLES (or ALES) based formula. In fact, as long as you're not using a 2-in-1 shampoo, your hair will be cleaned just fine no matter what shampoo you use. The formulas labeled "Moisturizing" and "Clarifying" are often not different at all except for their labels and featured (non-functional) ingredients.
2. Does silicone keep your hair from getting "real" moisture? I don't even know what people mean when they say "moisture" but I'll guess it has to do with the dryness of hair. When you get your hair wet (like in a shower) it gets saturated whether you have a thin layer of silicone on it or not. It will absorb ~30% its weight in water according to scientific studies. So, lab studies demonstrate that silicone does not inhibit hair from absorbing moisture.
3. Some silicones are heavier than other ones? I'm not sure what people mean by this either. It is true that silicones like Dimethicone vary in molecular weight & viscosity but I suspect that this isn't what's meant. There are really 3 types of silicones.
a. Water insoluble, non-evaporative - Like dimethicone
b. Water insoluble, but volatile - Like cyclomethicone
c. Water soluble - Like Dimethicone Copolyol
Type A resists rinse-off and would be the most difficult (although not difficult) to remove.
Type B evaporates so after an hour or 2, it's no longer on your hair
Type C is useless in rinse-off products because it just gets washed away. It's effective in Leave-in products only.
More troubling in hair care products than silicones are Cationic Polymers. These ingredients like Guar Hydroxypropyl Trimonium Chloride or Polyquaternium-10 have been demonstrated to build up on hair. They ionically bond to hair and you do need to shampoo more to get them off. Silicones don't stick nearly as well as those ingredients.
I wonder why there is no controversy about Cationic Polymers?
The bottom line is that silicones are neither bad or good for your hair. They work. They've never been proven to damage hair and their is no scientific reason to avoid them. You don't NEED them, but some people would say you don't NEED to wash your hair either (and you don't if you are ok with how it looks).
@Janis no apologies needed! You make excellent points.
Firstly, Janis, there's no need to get aggressive, this is just a hair discussion. We're all entitled to our own opinions, and whether we use silicone-ish products or not is up to ourselves.I guess it depends what type of hair you have and what you're trying to accomplish.
Everyone knows cones don't damage hair; ppl just prefer not to use them. Some people know what ingredients bother their hair. Some it is cones, some it is protein. Or even alcohol. I think people just need to find what works for them and go with that. My hair is in great shape. No tangles, no breakage, fewer splits than when i USED cones and my hair is nicely moisturized.
For me, that's the ADVANTAGE of not using cones and sulfates to remove them. My hair is in MUCH, MUCH better condition than when i used them. Saying that just because someone doesn't use silicones, their hair is damaged is like saying that everyone that DOES use silicones has damaged hair. I converse with ladies that use silicones and i can see by their pictures that they have great hair. Cones work for them. They don't work for me. THAT is the difficult part... finding what works for you.
Left brain, your post is contradictory. In this thread, you specifically said, regarding clarifying shampoos, I quote "give you squeaky clean hair that’s free of all the styling gunk and silicone residues that may have built up over time. The disadvantage is that they may dry out your hair a bit if you over use them." So you have acknowledged that cones do infact build up and that the clarifying formulas used to remove them are drying.
The post you were referring to The Danger of Clarifying Shampoos was written by the Right Brain and while we typically agree, at times we will squabble about the details.
Right is "right" about the general differences between clarifying and moisturizing shampoos. I just don't agree with the degree of build-up implied. Silicone residues will be present, but they are minimal compared to the residue of styling polymers. While clarifying shampoos may have more detergent, I've not seen any evidence that they clean hair better. They do dry hair out because they do not contain moisturizing ingredients, but that has nothing to do with cleaning.
@crimsoncurlzz - So sorry about the lifting of your thoughts. Perhaps the original poster could provide an explanation of the similarities? Lee?
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