Frequently Asked Questions

Get answers to common questions about Single Process.

Single Process color typically lasts four to eight weeks depending on hair porosity, growth rate and aftercare. Use color-safe products and limit heat to extend vibrancy; regular glosses or touch-ups refresh tone between full appointments.

Yes, Single Process color can cover gray for most clients when using permanent hair color and proper processing time. Very resistant gray or coarse hair may require a second application or a stronger developer for fuller coverage.

Arrive with clean, dry hair free of heavy styling products. Avoid washing on the day of service only if hair is very dry; bring inspirational photos and a clear idea of your desired shade for accurate color matching.

A Single Process can darken, enrich, or subtly shift your natural shade by several levels. For dramatic lightening or fashion colors, additional techniques or lifting services are needed to safely achieve the desired result.

Appointments usually take 60 to 90 minutes, including consultation, application, processing, and a quick blow-dry. Exact timing varies with hair length, thickness and any additional services like glosses or deep conditioning.

Use sulfate-free, color-safe shampoos and conditioners, wash with cool water, and limit heat styling. Apply UV protectant sprays and a weekly moisturizing treatment; schedule glosses or toners as recommended to maintain shade and shine.