Ppg-33-buteth-45 (inci)

PPG is the acronym for "polypropylene glycol", the polymer of propylene glycol (1,2-propanediol), a dihydric alcohol. The number after "PPG" indicates the average number of propylene glycol molecular units, e.g. "PPG-33" has 33 propylene glycol molecular units.

Buteth(e) are polyoxyethylene ethers which can be formally derived from the structure of butyl alcohol (for comparison see: laurethe as polyoxyethylene ether of lauryl alcohol; steareth as polyoxyethylene ether of stearyl alcohol etc.). In the name of butethe, the numbering added means the average number of ethylene oxide units per mole. Buteth-45 is the INCI designation for a polyoxyethylene ether with 45 ethylene oxide units per mole. PPG-33-buteth-45 is used in cosmetic formulations. The substance mixture acts as an antistatic agent (reduces static charges by neutralizing the electrical charge on the surface, e.g. of hair), combability aid (reduces or prevents the tangling of the hair due to changes or damage on the hair surface and thus improves the combability) and as an emulsifier (surface-active substance which is used in cosmetic products as an additive to combine 2 immiscible liquids - e.g. oil and water - to one emulsion).