Frequently Asked Questions

Get answers to common questions about Single Process Permanent Color.

A typical Single Process Permanent Color appointment takes about 45 to 75 minutes, including consultation, application, development, and a quick finish. Exact time depends on hair length, density, and whether additional services like a cut or treatment are added.

Yes—Single Process Permanent Color can usually provide full gray coverage when the correct permanent formula and developer strength are used. Your stylist will assess hair texture and porosity to choose the right mix for even, dependable gray concealment.

We recommend waiting at least 24 to 48 hours before shampooing after your color service to allow the cuticle to settle. Use gentle, sulfate-free products and lukewarm water to protect color longevity and minimize premature fading.

You can usually go a few shades darker or subtly lighter with a Single Process, but dramatic lightening requires bleach or highlights. Your stylist will evaluate your starting level and recommend the safest approach to achieve the desired lift.

Touch-up frequency varies by regrowth and contrast, but most clients return every 4 to 8 weeks for root maintenance. Personalized schedules depend on growth rate, chosen shade, and desired upkeep to keep color looking seamless.

Chemically treated hair can often receive Single Process Permanent Color, but a consultation and strand test are essential. We may adjust formulas, processing time, or add bond-building treatments to protect hair integrity and ensure even results.