Sections come off the head no thicker than a centimetre, starting at the nape and working upward. The colourist holds each one taut and runs a hairdryer along it, so the short hairs and the internal layers drop out of the section and fall back against the head. Foil goes under what stays in the hand, and lightener goes onto that ribbon only, beginning 3 to 5 cm below the roots. The blown-out hairs keep your natural colour and sit underneath as a built-in shadow. That shadow is the point, because it means there is no line to grow out.
The air touch hair dryer does the sorting that a foil packet or a freehand sweep leaves to the eye. Set to cool or low warm air, an airtouch hair dryer removes the guesswork about which hairs are long enough to carry the lift.
How it differs from other lightening work
Classic foil work isolates a slice and lightens every hair inside it, root to tip, which is why the regrowth arrives as a stripe. Freehand painting softens the top but still lightens whatever the brush touches, short hairs included. The balayage approach and this one share the same painted, gradual logic, but the airflow step changes the density of what gets lifted, so the result reads finer and more diffused.
Two practical differences follow from that:
- Less hair is lightened per section, so the head as a whole takes less chemical load
- The transition zone is measured in inches rather than a centimetre, so months of growth still look intentional
Choosing the shade
Blondes usually land on honey and copper. Brunettes suit light nut, caramel and coffee tones. On light brown hair, two to three tones of lift gives the cleanest join. Get the shade family wrong and the transition between tones becomes visible, and that transition is the whole reason to book this technique rather than a simpler one.
Who it works best for
- You colour every four to six weeks and want to stop
- Your natural base is dark blonde to light brown and you want to be noticeably lighter
- Previous highlights have grown out into a visible band across the crown
- Your hair is fine and foils have made it look flat rather than fuller
- You want brightness around the face without committing the whole head
Air touch highlights work on short and long hair alike, at any age, on any hair type. Coarse, very dark or heavily box-dyed hair usually needs two sittings to land clean rather than orange. Hair that snaps when stretched wet gets Olaplex before any lightener touches it.
What results to expect and when
You leave the first appointment with the colour finished, toned, washed, treated with balm and dried. The tone settles over the first two washes and reaches its true shade around day ten. Warmth creeps back in from about week six, which is when a hair toner brings it back without any lightener going near your hair. The placement itself holds its shape for up to six months before the shadow at the root stops reading as deliberate.
Second appointments are faster than the first, because the colourist works into the existing map rather than building one.
Session lengths at PIED-DE-POULE
Front sections plus toning run about 2 hours. Upper-head work runs 3 to 3.5 hours. A full head runs 4 to 5 hours on shoulder-length hair and up to 6 on long, dense hair, including the tone and finish. Long or thick hair often pairs the colour with a haircut in the same visit, since the ends set how the painted pieces fall.
For a change of more than three tones, plan two sessions eight to ten weeks apart. Maintenance after that is one toning visit at week six and a full repeat at month five or six.