A "pearlescent finish" means that something has a shiny and colorful appearance, similar to the way a pearl shines with different hues of light. Full definition
The car comes a in Java black Pearlescent finish with black and tan leather interior with oak accents. (sybarites.com)
Whatever skin tone it's applied to, the coolness of purple can make skin look devoid of any natural glow, so look for a blush with warm, peach tones and a subtly pearlescent finish to reignite it. (byrdie.co.uk)
This tinted moisturizer is loaded with illuminating shimmer that makes your skin look subtly evened - out with a low - key pearlescent finish — it's seriously like face cleanser commercial face (you know, when a woman splashes water on her face over a sink and somehow emerges radiant and smiling even though she definitely got water all over her bathroom unnecessarily). (allure.com)