Ppg-25 laureth-25 (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, for "PPG-9" this is 9 propylene glycol molecular units.

"laureth-25" refers to the PEG ether of lauryl alcohol. The number 25 indicates the average number of integrated polyethylene monomers "-CH2-CH2-O-".

PPG- 25 laureth-25 is used in cosmetic formulations. The mixture of substances acts as an emulsifier (a surface-active substance which is used as an additive in cosmetic products to combine two immiscible liquids - e.g. oil and water - into one emulsion) and as a viscosity regulator (increases or decreases the viscosity of cosmetic products).