Frequently Asked Questions

Get answers to common questions about Single Process.

A Single Process appointment usually takes 45 to 90 minutes depending on hair length, thickness, and any required consultation or pre-treatment to ensure even color and optimal results.

Single Process covers most gray reliably, but coverage depends on hair texture and percentage of gray. We customize formulations and may recommend stronger developer or a targeted application for full coverage.

Going darker is typically achievable in one step. Going lighter often requires lifting techniques beyond single process. Your stylist will recommend the safest approach based on hair condition and desired level.

We recommend waiting 48 hours before shampooing to allow color molecules to settle. You can style gently sooner; use color-safe products and avoid harsh heat to preserve vibrancy.

Root touch-ups are commonly needed every 4–6 weeks depending on growth rate and contrast between natural hair and color. Your stylist will suggest a personalized schedule to maintain the look.

It can be safe when tailored to your hair's condition. We perform consultations and strand tests, and may use bond-building treatments or gentler formulas to protect previously treated or fragile hair.