In this episode of Manuale trucco, host Diego takes listeners on a journey through the evolution of makeup trends from the 1920s to the 1960s, focusing on techniques, trendy products, and beauty ideals of each epoch. He explains how the 1920s were about developing a unique charm with a reliance on rouge and the absence of a specific guide for eyebrows, eye, or lip makeup. Diego then describes the transformation of beauty standards in the 1930s, including thin, arched eyebrows, and eyeshadow colors matching hair and eye color, along with varying lipstick shades depending on hair color. The focus shifts towards a more natural look with well-defined eyebrows in the 1940s, followed by the pronounced arched eyebrows and cat-eye liner of the 1950s. Lastly, he explores the bold, dramatic eye makeup looks of the 1960s paired with full, well-groomed eyebrows and lighter blush application. Overall, this episode provides an engaging and informative exploration of the changing beauty trends throughout the 20th century.