PEG-32 is generally a reasonable ingredient for seborrheic-dermatitis-prone skin. It is mainly used to hold water or dissolve other ingredients, and the available cosmetic safety review does not create a specific seb derm reason to avoid it in a properly formulated product.

No direct human seb derm or ingredient-specific Malassezia evidence was found for this page. PEG-32 is a polyether rather than a fatty acid or oil, so its name alone is not a reason to treat it as yeast-feeding. The complete formula and your own tolerance remain more useful than the ingredient in isolation.