The formula is supposed to have an "ultra-dazzling finish" with "multi-dimensional reflects." It's designed to be applied "using your finger for maximum intensity" and "softer coverage" can be achieved by using a brush. Some shades are softer and more cream-like than others, as there were a few that were drier and stiffer, which made them harder to apply with anything other than a fingertip. The product is definitely most pigmented and typically opaque when applied with fingertips, and I think if that's not something you're keen on, I'd skip the formula and look for a more traditional powder product in a similar hue or try patting on something more glittery over an existing shade you own.
There was slight to moderate fallout, depending on the shade, during application, and this was intensified whenever I used a brush. I didn't experience tons of fallout during wear, though. They tended to wear around eight hours before fading or creasing. They have a slightly thicker consistency that made them harder to diffuse and blend into other textures (like Dose of Colors' matte eyeshadows). I can see these working well for someone who likes to have a spotlight of glitter and shimmer on the center of the lid or who does more cut creases. Overall, some of them are lovely and easy enough to work with, but there were definitely some misses that take patience and effort/additional bases or tools.
There did seem to be similarity to the formula Dose of Colors used in the Desi x Katy Eyeshadow Quad, though it seemed like a lot of the Block Party shades also had dimethicone in them (about mid-way through the ingredient list).
The average rating based on all reviewed shade(s) in this formula is shown below.
Block Party Single Eyeshadow is packed with multi-dimensional reflects, creating an ultra-dazzling finish. Apply eyeshadow onto eyelids using your finger for maximum intensity or for softer coverage, apply onto eyelids using your preferred brush. Each single eyeshadow comes in its own mirrored compact.