"luminous skin" is a correct and usable phrase in written English.
It is often used as a descriptive phrase to describe someone's skin that appears to have a glowing and radiant quality to it. Example: She has always been known for her luminous skin, which seems to glow even in the dimmest of lights.
That sensibility translated to glowing, luminous skin, with little interference.
Young women with luminous skin explain the importance of fighting premature wrinkling.
A plan was forged to make light, open eyes, luminous skin and important fuchsia lips.
She's exceedingly pretty, with siren Michelle Pfeiffer blue eyes and luminous skin.
Tousled hair, smudged eyeliner, dewy lips and luminous skin are in.
With her wispy red hair, wide-set eyes and luminous skin, the deliberately unprepossessing Ms. Burton has also played her share of nice Irish and Chekhovian ingenues.
As far as other secrets to her beyond-luminous skin (seriously, the woman radiates), she attributes consistency and of course SK-II's miracle-working ingredient pitera (a blend of vitamins, amino acids, minerals and organic acids).
Beckinsale, who is sipping fizzy water at the Mercer Hotel in SoHo, has luminous pale skin, which accentuates her dark eyes and long, wavy hair.
In another corner, Sarah Araya, from Eritrea, asked for help with a pair of gauzy curtains from Tafesech Feyissa, an Ethiopian with luminous brown skin and a scarification tattoo on her forehead.
She has introduced one variety, Rainforest Pearl, with luminous pink skin and pulp and is researching five other species, including the round lime and the desert lime, that have attracted commercial interest.
Along even more of a world-beat track, there's "I'll Sing for You," the tragic story of the Mali pop-song hero KarKar, a swivel-hipped rocker with luminous dark skin, whose growth as a political thinker sparked thoughts of independence in his people.
