Radiancy n. : The quality of being radiant; brilliancy; effulgence; vivid brightness; as, the radiance of the sun.

Example:
what is the difference between indirect and direct Radiancy of the sun?

Taxonomy
Radiancy, Skin Care Treatment, products, aesthetic skin care, skin care professionals, product line, light therapy, unwanted hair, acne treatment, psoriasis, phototherapy, photo rejuvenation, age spots, spider veins, fine lines.

Defination from the web:
Radiancy. Radiancy is the world's leading manufacturer of light based. products for medical and aesthetic skin care professionals. Radiancy's product line includes effective light therapy solutions. for the removal of unwanted hair, acne treatment, ...