Is it possible to make hair conditioners without heating or holding" Why are you even asking this question" What madness is this, Swift"

I bought this cold process hair conditioning ingredient - called Ice Restore at Making Cosmetics* - INCI: Cetearyl alcohol (and) behentrimonium chloride (and) polyquaternium 37 - that appears to be a product called Jeesperse ICE-T CPCS. (I found it at Gracefruit in the UK.*)

Let's take a look at each ingredient to see what it brings to the mix. According to the MSDS from Making Cosmetics, this consists of 32% to 38% cetearyl alcohol, 32% to 38% behentrimonium chloride, and 27% to 33% quaternium 37.

Behentrimonium chloride is a positively charged or cationic quaternary compound that acts as the hair conditioner and emulsifier in this product. Cationic ingredients adsorb to the hair strand to condition it, which means it reduces the friction between hair strands and reduces the combing forces or how much effort we have to make to comb our hair. It makes the cuticle lay down flat, which leads to less tangling and damage.
You might recognize the behentrimonium part of the name as being part of something like Incroquat BTMS-50 or Rita BTMS-225. In those, we use behentrimonium methosulfate or BTMS. BTMS seems to be less irritating to the skin and eyes than behentrimonium chloride, but they are still both nice conditioning agents. (As a note, behentrimonium chloride was not found to be irritating to skin at 5%. (this ...