Common side effects of using 2‑methoxy‑3‑methyl‑4‑propylphenol (a phenolic compound) include mild skin irritation or redness at the application site, especially if used in high concentrations. Some users may experience a transient burning or stinging sensation during initial exposure. Repeated or prolonged contact can lead to dryness or scaling of the surrounding skin. Rarely, individuals with heightened sensitivity might develop allergic dermatitis characterized by itching, swelling, or more pronounced rash. These reactions typically resolve once use is discontinued; however, persistent symptoms warrant cessation and medical evaluation.