TN Cosmetology study materials
TN Cosmetology study resources

TN Cosmetology: Hairstyling, Blow-Drying, Thermal, and Wet Styling

TN Cosmetology · Work through your exam, one topic at a time.

All guide sections

Hairstyling, Blow-Drying, Thermal, and Wet Styling

Wet styling, blow-drying and thermal work

Wet styling rests on three parts of a curl: the base (the section's attachment to the scalp), the stem (the arc between base and circle) and the circle (the curl itself). Base placement decides volume - on-base gives maximum lift, half-base moderate, off-base the least, and indentation base creates a deliberate dip. Roller diameter controls curl tightness, and stem direction controls where the hair moves.

Pin curls come as flat, barrel and ridge; finger waves are alternating ridges and hollows formed while the hair is wet and set. Blow-drying is directional: point the nozzle down the hair shaft to close the cuticle and build shine, use 90° elevation for volume, tension for smoothness, and a cool shot to set the shape.

Thermal styling requires dry hair, a clean and tested iron, and heat matched to texture - fine, lightened or damaged hair needs lower settings. Keep the iron moving, never rest it on the scalp, and let irons cool before storage. A pressing comb serves textured hair; hot rollers give a softer set.

Traps

  • A larger barrel means a looser curl, not a tighter one.
  • Thermal irons on wet hair or on product buildup cause steam burns and damage.
  • On-base is volume; indentation base is closeness, not volume.
  • Backcombing creates volume but must be combed out gently to avoid breakage.

Rule of thumb

Base = volume, stem = direction, circle = curl size. If a question describes the finished look, work backward through those three.