Final answer:
The Shades EQ Collection described in the question is a set of hair color products that includes a range of 50 shades, 4 color kickers, and 000 crystal clear, used in professional hair salons for coloring and treating hair, relevant to the field of cosmetology.
Step-by-step explanation:
The Shades EQ Collection you're referring to sounds like a series of hair color products commonly used in professional hair salons. This collection consists of semi-permanent hair dyes that come in a variety of shades, allowing for customization and versatility in hair coloring. The inclusion of 50 shades provides a wide range of color options. The 4 color kickers are likely used to intensify or personalize the hair color, and the 000 crystal clear can be used to dilute the shades for a more translucent effect or as a standalone gloss. This type of product would be of interest to anyone studying or working in cosmetology, which is a branch of the arts focused on beauty treatment and hair care.