Propylene Glycol: An Often Unrecognized Cause of Allergic Contact Dermatitis in Patients Using Topical Corticosteroids
Propylene glycol (PG) is considered to be a ubiquitous formulary ingredient used in many personal care products and pharmaceutical preparations. This review guides clinicians in selecting suitable topical corticosteroids.
Cosmetics are an important cause of allergic contact dermatitis (ACD). Fragrances and preservatives are the two most clinically relevant allergens found in cosmetic products. Common cosmetic allergens are reviewed. Practical methods of allergen avoidance are also discussed.
Allergic contact dermatitis (ACD) may account for at least 20% of all childhood dermatitis. Clinically, its morphology is identical to other forms of dermatitis in acute, subacute and chronic forms. A persistent or unusual and localized pattern is often the key to diagnosis.