Final answer:
The three application techniques for Shades EQ are the bottle application, the bowl and brush, and the brush and bottle methods, each offering different levels of precision and convenience for coloring hair.
Step-by-step explanation:
The three application techniques for Shades EQ hair color are the bottle application method, the bowl and brush method, and the brush and bottle method. The bottle application is useful for quick, all-over color applications and is often used for its simplicity and speed. The bowl and brush technique offers more precision and is typically used for more detailed coloring processes such as highlights, lowlights, or balayage. Lastly, the brush and bottle method combines the precision of the brush with the ease of the bottle, and it is suitable for techniques that require both detail and coverage. Understanding and mastering these methods allows for a wide range of coloring possibilities and the creation of customized looks for clients.