Acne vulgaris is a common inflammatory skin disorder affecting children and adolescents. 1,2 It often affected more than 85% of 12 to 24 years of adolescents. According to recent data, the age of onset is getting earlier and earlier. 3,4 There are two types of acne in newborns before the first year of life: neonatal acne (Birth to ≤6 week), infantile acne (6 week to ≤1 year). 5 Lesion skin of neonatal acne typically occurs on the face, the cheek, forehead, and chin. Although they sometimes extend to the scalp, neck, and upper chest, the symptom is resembling with neonatal cephalic pustulosis (NCP). 6 Compared to neonatal acne, infantile acne is the most prominent shows on the