(1) As used in this section, "sunscreen" means a compound topically applied to prevent sunburn.
(2) A public school shall permit a student, without a parent's, physician's, or physician assistant's authorization, to possess or self-apply sunscreen that is regulated by the Food and Drug Administration.
(3) If a student is unable to self-apply sunscreen, a volunteer school employee may apply the sunscreen on the student if the student's parent provides written consent for the assistance.
(4) A volunteer school employee who applies sunscreen on a student in compliance with Subsection (3) and the volunteer school employee's employer are not liable for:
(a) an adverse reaction suffered by the student as a result of having the sunscreen applied; or
(b) discontinuing the application of the sunscreen at any time.