I've worn three other chunky holos and they all were not opaque, so I knew I needed underwear. I had this Color Club in my untrieds, and it matched closely enough, so I pulled it out.
Guys. This is ONE COAT, y'all. See that coverage? I'm a habitual three-coater, but even I could make this work with two coats. I stopped at one because my other KC Chunky Holos were thick and added just enough color that I figured I could make it work.
Here is Chunky Holo Poppy on its own. This is a red jelly base with multichrome glitter pieces. Despite the name, it's not holographic, but I can see why they would call it that. In the bottle I can easily see red, orange, yellow, and green flashes in the glitter, but it's not as obvious in the bottle photo.
Basecoat: Salon Sciences Fiberglass Network (2 coats)
Color: Color Club "red" - 1 coat
Color: Kleancolor Chunky Holo Poppy (3 coats)
Topcoat: Out the Door (1 coat)
The smell is a little weird. I didn't think it was all that horrible, but it's definitely packed with chemicals. If you're easily lightheaded, or pregnant, I'd check the label carefully and use this in a well ventilated area.
In hindsight, I might use a second coat of the base red color if I wear this again, but I still like this.