Sec. 491.001. DEFINITION. In this chapter, "investigational sun protection product" means a sun protection product containing an ingredient that has successfully completed phase one of a clinical trial but has not yet been approved for general use by the United States Food and Drug Administration and remains under investigation in the clinical trial. Added by Acts 2025, 89th Leg., R.S., Ch. 352 (S.B. 670), Sec. 2, eff. June 20, 2025. SUBCHAPTER B. ELIGIBLE PATIENT ACCESS TO INVESTIGATIONAL SUN PROTECTION PRODUCTS