Birchbox Cosmo

Birchbox offers premium beauty boxes for exploring new products, with its Club Cosmo Premium being a special annual offering from Cosmopolitan's membership that includes a curated Birchbox with full-size products selected by editors. While Birchbox typically sends monthly or bi-monthly boxes, the Club Cosmo Premium is a yearly gift for Cosmopolitan's membership, giving members a curated box of four full-size products chosen by the brand's beauty team.