Question 1

What does Peg-45/Dodecyl Glycol Copolymer do in a cosmetic formula?

Accepted Answer

This ingredient is a nonionic surfactant and solubilizing emulsifier, used to help disperse oils, fragrance, and other lipophilic materials into water-based systems. It can also support clarity and texture in cleansers, gels, and rinse-off formulas.

Question 2

Is Peg-45/Dodecyl Glycol Copolymer clean?

Accepted Answer

From a clean-standard perspective, this ingredient has friction because it is ethoxylated and can carry trace manufacturing residues such as 1,4-dioxane if purification is poor. Finished-product quality depends on supplier controls, and skin compatibility is generally mild at normal use levels.

Question 3

Is Peg-45/Dodecyl Glycol Copolymer sustainable?

Accepted Answer

This material is primarily synthetic and commonly derived from petrochemical feedstocks, although the fatty chain may be plant- or petroleum-derived depending on supplier. Its large water-soluble polymer structure is not a strong fit for readily biodegradable, low-persistence design.

Question 4

Is Peg-45/Dodecyl Glycol Copolymer COSMOS-approved?

Accepted Answer

It is generally not permitted under COSMOS-natural or COSMOS-organic standards because ethoxylated materials are outside the allowed chemistry for those standards. From a Green Chemistry view, the drawbacks are nonrenewable feedstock dependence, extra purification needs, and weaker biodegradability than simpler plant-derived surfactants.

Question 5

How does Peg-45/Dodecyl Glycol Copolymer work chemically?

Accepted Answer

The molecule is an amphiphilic nonionic copolymer with a hydrophilic polyether segment and a C12 hydrophobic segment, giving it solubilizing and surfactant behavior without ionic charge. It is typically stable across common cosmetic pH ranges and compatible with anionic, nonionic, and amphoteric surfactants, with performance influenced by electrolyte level and the oil or fragrance load being solubilized.