Harmoni le duo+ THIS SET CONTAINS Harmoni le srum (1 fl. oz. 30 ml) Harmoni la crme (1. 7 fl. oz. 50 ml) + WHAT IT IS Harmoni le srum is an antibacterial serum made to rebalance skin. Formulated with 10 high performing ingredients that gently regulate sebum production, consistent use of Harmoni le srum will result in a noticeably clearer and calmer complexion. Harmoni le srum also helps repair the microbiome, which is crucial for the treatment of breakouts and