EYEBROW RENEWING SERUM by M2 BEAUTÉ thickens and significantly strengthens the eyebrows without making them greasy. It is based on innovative and highly effective complexes, with active ingredients specially adapted to the eyebrow area. The combination of active ingredients of maximum effectiveness with coral oil and nourishing components such as biotin and hyaluronic stimulates the active and inactive roots of the eyebrows, which causes their natural growth. Visible results: The first visible results usually appear after six to eight weeks, reaching optimal growth potential around week 16.