Frequently Asked Questions

Get answers to common questions about Single Process.

Most Single Process appointments take 45 to 75 minutes, depending on hair length, thickness, and whether it's a root touch-up or full application. Your stylist will provide a precise estimate during booking.

Yes, in most cases Single Process formulas provide full gray coverage. Results depend on hair condition, porosity, and previous color. Your stylist will select the best formula and technique to ensure optimal saturation and longevity.

We may recommend a strand test for clients with highly porous, fragile, or previously chemically treated hair to ensure even uptake and predict final shade. Tests help minimize risk and tailor processing time safely.

Most clients return every 4 to 6 weeks for root touch-ups, depending on growth rate and contrast between natural and colored hair. Your stylist will recommend the ideal schedule to maintain coverage and color integrity.

Yes, Single Process can shift hair tone lighter or darker within a few levels. Dramatic lightening may require additional services. During your consultation we will assess hair history and recommend safe options.

Use sulfate-free, color-safe shampoos and conditioners, limit heat styling, and rinse with cool water to lock pigment. Incorporate weekly color-protecting masks and schedule regular gloss or touch-up appointments to refresh tone and shine.