Start with the head shape and hairline
Block in the overall hair volume
Decide the hairstyle silhouette
Sketch the main parting or fringe
Add large clumps of hair first
Break clumps into smaller strands
Follow the direction of hair growth
Keep roots tighter and ends looser
Draw overlapping sections for depth
Vary strand thickness and spacing
Add curves to show flow and movement
Define bangs, layers, or braids as needed
Refine edges and stray hairs
Shade under layers and near the scalp
Add highlights where light hits most
Clean up construction lines
Adjust symmetry and proportions
Match detail level to the style being drawn