Abstract: This disclosure relates to a disposable therapy diaper which incorporates non-woven, hypo-allergenic materials including an absorbent layer and incorporates shaping, reservoir and attachment means, to serve as a device for containment of incontinent body wastes during phototherapy, such as hyperbilirubenemia phototherapy of premature infants, so that a desirably large percentage of the phototherapy recipient's skin surface is exposed to the therapeutic photoradiation, while the excess body wastes produced during such phototherapy are contained with minimal skin irritation to the phototherapy recipient.