"a salient aspect" is a correct and usable phrase in written English.
You can use it to refer to an important or noticeable part of something. For example, "One of the most salient aspects of this policy is its focus on economic growth."
If the movie is about asexual or sexually repressed men, that itself would itself be a salient aspect of this (or any) story.
"The issue of racial conflict and unfairness has been a salient aspect of American life this past year, yet was it discussed in the GOP debate? Barely for a minute".
Importantly, this study brings out a salient aspect of using an evolutionary approach to multi-objective problem solving.
Course work was the most frequently selected topic from the checklist, possibly because it was a salient aspect of students' experiences.
A salient aspect of our results was an increase in the Enterprising interests of females and decrease in the Realistic and Investigative interests of males.
It should not, then, come as any surprise that many product packages present the food contained within as a salient aspect of their visual design.
For he was a pioneer of an increasingly salient aspect of the way we live now – a conspicuous repudiation of the responsibilities of adulthood, a horror of ageing, a desire to retreat into an illusion of perpetual youth and energy.
It is an integral and salient aspect of his being.
Our results were somewhat similar; however we found at least one more salient aspect in our sample: adolescents reported a limited sense of independence and social participation to be issues adversely affecting their lives; health care providers confirmed this perception.
But I don't think the salient aspect of our reaction to 9/11 was a modern equivalent to the Alien and Sedition Acts, or the suspension of habeas corpus, or the Red Scare after WWI.
As Latour (1990) originally explained, inscriptions refer to marks on a medium, such as paper or an electronic screen, and scientists design inscriptions in order to represent salient aspect(s) of the phenomenon under inquiry.
