Frequently Asked Questions

Get answers to common questions about Single Process.

A typical Single Process appointment lasts about 45–75 minutes, including consultation, application, and processing. Timing depends on hair length, thickness, and desired coverage. Your stylist will provide a personalized time estimate during the consultation before beginning the color.

Yes, Single Process can cover gray hair when the right formula and developer strength are selected. Complete coverage depends on gray percentage and hair history. During consultation, your stylist evaluates hair condition and may recommend a higher-lift formula or alternative service if needed.

Single Process can shift your natural shade several levels darker or add tone, but it has limited lifting power. For dramatic lightening or highlights, a lightening service is better. Your stylist will discuss realistic expectations and alternatives during consultation.

Most clients schedule touch-ups every 4–8 weeks depending on root regrowth, hair contrast, and desired upkeep. Darker shades may last longer, while lighter or higher-contrast colors need more frequent maintenance. Your stylist will recommend a personalized schedule.

We assess hair health before proceeding. Single Process can be performed on previously treated hair with careful formulation and lower-processing options. If hair is severely compromised, we’ll suggest strengthening treatments or a modified color plan to protect integrity.

Use sulfate-free, color-safe shampoo and conditioner, wash less frequently, and rinse with cool water to preserve tone. Apply UV protection and weekly conditioning masks. Follow your stylist’s product recommendations to extend vibrancy and prevent premature fading between salon visits.