From the manufacturer:
Cotton Candy is a light, pastel pink, great for highlights on floral pieces, cupcake tattoos, and cartoon pieces.
It is a versatile color that can be used for any style of color tattoos.
You can use it with white as a highlight color as well as blending with Raspberry, Mexican Pink or Bubblegum Pink.
Gauge Size
The gauge size is the circumference of the smaller bar in the middle.