The Background:
The background is a blur of futuristic grays and shadows, giving no sense of place or environment. The lack of context adds an isolating, timeless feel to the portrait.
The Object/Subject:
The subject fills the entire frame in an extreme close-up view. Only part of the alien's face is visible, cropped tightly on the strong, angular features. Rough, ridged skin has a metallic green and purple iridescent sheen.  Complex futuristic musculature or cybernetic plating under the "skin."
Perspective:
The unconventional angle and framing create a confrontational, in-your-face perspective that is slightly disorienting. By excluding most of the body and face, the viewer is forced to scrutinize every alien detail up close.
Mood/Light:
The high contrast and extreme angles produce an edgy, aggressive, almost threatening mood.
Artistic Elements:
The colors are highly saturated and vibrant, yet controlled in a limited palette - metallic adorning, vivid fuchsia, and pitch blacks. By excluding most context, the alien textures and patterns take on an intimate, unfamiliar, and distinctly foreign feel, glowing color inside, hollow inside, glossy
Let me know if this tightly cropped, high contrast, intensely textured alien portrait captures an edgy, avant garde fashion/portrait vibe with some surprising monstrous elements. I tried to highlight unique perspectives, glowing color inside and glossy.