Heyday has acquired ZitSticka, a fast-growing acne treatment and prevention brand. Heyday says the acquisition enriches its investment in the personal care space and provides it a leading position in the high-growth category of acne patches. In the last three years, Zitsticka has grown from a single SKU to a diversified product portfolio of supplements, body washes and topicals that are available globally. Recent in-store launches at Target and Ulta have also delivered early proof points o...