What Is the 50 20 30 Rule in Perfume? Guide to the 3 Levels of Perfume Concentration

If you searched for the 50 20 30 rule in perfume, you probably encountered three numbers without a clear explanation of what they measure. The short answer is that the rule is a beginner-friendly way to divide a fragrance concentrate among heart, base, and top-note materials. Written in that order, it means 50% heart notes, […]