This polished retro finger-wave style suits medium to thick hair textures and works best on hair that’s been smoothed (blow-dried straight or lightly flat-ironed). Technique: create a clean deep side part, set large barrel curls or hot rollers for the body, then brush and sculpt the curls into defined S-shaped waves; finish the front with finger-wave shaping and pinning to hold the silhouette. Tools needed: rat-tail comb for parting, sectioning clips, 1¼–2 inch curling iron or ceramic hot...