副作用：PEG 100 Stearate is a moderate to high hazard ingredient depending on usage.
The EWG issues warnings regarding: cancer, developmental and reproductive toxicity, contamination concerns, irritation, and organ system toxicity.
PEGs (including PEG 100 Stearate) can contain harmful impurities, including: Ethylene Oxide, known to increase the incidences of uterine and breast cancers and of leukemia and brain cancer, 1,4-dioxane, a known carcinogen; PAHs, known to increase the risk of breast cancer。
Products and formulas containing PEG 100 Stearate should not be used on broken or irritated skin. Although PEGs are considered safe for use topically on healthy skin, studies showed that patients suffering from severe burns were treated with PEG-based antimicrobial cream; this treatment resulted in kidney toxicity. "
cosmetic formulations containing these ingredients should not be used on damaged skin。