Frequently Asked Questions

Get answers to common questions about Single Process Color.

Most appointments last 45–90 minutes depending on hair length, density, and previous color. The process includes a consultation, color formulation, application, processing time, rinsing, and styling. Your stylist will give a precise estimate when assessing hair during booking.

Yes—when formulated correctly, single process color provides reliable gray coverage from roots to ends. Your stylist will choose the right developer strength and pigment balance to ensure complete coverage while maintaining hair integrity. Multiple sessions may be recommended for resistant grays.

Longevity varies with hair porosity, care routine, and sun exposure. Expect rich color for 4–8 weeks; warm tones may fade differently. Using color-safe shampoo, cool water, and professional maintenance extends vibrancy. Your stylist can recommend touch-up intervals.

Single process can shift your overall shade darker or enrich current tones, but dramatic lightening usually requires bleaching. During consultation, we'll assess hair history and recommend the safest, most effective plan to achieve your desired shade with minimal damage.

Patch tests are recommended for first-time clients or anyone with sensitive skin or allergy concerns. We perform a small skin test 48 hours before service to ensure safety. If you've had recent color without issues, your stylist may advise accordingly.

To preserve color, wait 48–72 hours before washing, use sulfate-free, color-safe shampoo and conditioner, rinse with cool water, and limit heat styling. Apply UV protection and deep-conditioning treatments regularly. Follow your stylist's maintenance timeline for touch-ups and at-home care.