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)
