Here she reveals the products she uses day in, day out. Main skincare concern: 'Loss of collagen. I opt for medical-grade vitamin C and peptide- rich moisturisers. I also like to complement my ...

NYC-based dermatologist Dr. Marnie Nussbaum launched her newly unveiled skincare collection, LINES, to complement in-office aesthetic treatments. Here, the top doc checks in to share her smart script.