Truly acidic formula. Liquid consistency. Designed for customized toning. Use with the NEW BLONDME Premium Gel Developer 7 vol. or BLONDME Premium Cream Developer 7 vol. Try them out on your Foiled Cashmere looks 👉 Custom Toning Specialist Certification available at SKPeducation.com Available now at @cosmoprofbeauty or your local distributor. #BLONDME #schwarzkopfusa