Pityriasis alba

Pityriasis alba, also known as simple pityriasis, facial dry pityriasis, streptococcal pityriasis, and streptococcal erythema, commonly referred to as "peach blossom rash" or "worm spots," is a chronic skin condition of unknown etiology characterized by dry, thin, pityriasiform scaly hypopigmented patches. It is common in children and adolescents aged 3-16 years, more prominent in individuals with darker skin, and more likely to occur in those with an allergic constitution.