: For depositing color or going darker without lifting natural shade.

To achieve salon-quality results, you will need to purchase the following items separately:

: This activates the color. The volume you choose depends on your goal:

: Use a non-metallic mixing bowl and a dedicated applicator brush to ensure an even distribution without chemical interference from metal.

Buying professional hair color requires selecting a separate color cream and developer, unlike standard "all-in-one" box dyes. Professional formulas offer customized developer strengths that are gentler on hair and provide more predictable, long-lasting results. Essential Professional Hair Color Components

: The standard for 100% gray coverage or lifting 1–2 levels. 30 Volume (9%) : For 2–3 levels of lift.