It's important to keep a few things in mind when mixing developer and dye:
Always wear gloves to avoid staining your hands.
Use a plastic bowl and utensils instead of metal ones, as metal can interfere with the chemical process.
Mix the dye and developer thoroughly to avoid any clumps or uneven color.
If you have long or thick hair, you may need to use more dye and developer. It's always better to have too much than too little.
Always follow the manufacturer's instructions for the dye and developer. The instructions will give you the exact amount of each ingredient you need and the recommended processing time.
Start at the roots and work your way down. This will ensure even coverage.
For a more dramatic change, use a higher volume developer. For a more subtle change, use a lower-volume developer.
PRO TIP: You can save your hair color and developer for later if you haven't mixed them yet. The hair color has a pretty long expiration period, so you can use it even in 2-3 years. Although if you've mixed it already, you need to throw it away.
Specifications
Key Features
Helps to open up the hair cuticles, allowing the color molecules to penetrate the hair fiber.
Lightens the hair when used with bleach, allowing for more drastic color changes.
Allows for customization of the color intensity and shade.
Helps to ensure even color distribution throughout the hair.
Can be used with permanent hair dye to cover gray hair and achieve a more vibrant color.