OYA Lotion 40 Volume 12% Developer 32 oz

OYA Permanent Color Lotions developer for the best possible hair protection and excellent results with OYA hair color, always use OYA Lotion. OYA Permanent Color Lotions: •10 Volume (3%) – For all gray coverage and deposit only. •20 Volume (6%) – Provides up to 2 levels of lift. •30 Volume (9%) – Lifts 2 to 3 levels. •40 Volume (12%) – Lifts 3 or more levels. OYA Demi Permanent Color Lotion: •5 Volume (1.5%) – For deposit only. How to use: 1. Following the hair color manufacturer's recommended mixing instructions.  2. Mix well.  3. Do not use metal bowls/whisks.  4. Keep the cap tightly closed when not in use.  5. Store in a cool, dark place and keep away from excessive heat and light.  6. Never return unused product to the bottle.  7. Do NOT store mixed developer and hair color in a closed bottle, as it may cause internal pressure and break the container. 8. Mixing Ratio: 1:1 (1 part color with 1 part OYA lotion)