(A) A person may lawfully donate blood if he is: (1) at least seventeen years of age; or (2) sixteen years of age and has the written consent of his parent or guardian. (B) A person under eighteen years of age may not sell blood.
Age restrictions for blood donors; parental permission
S.C. Code Ann. § 44-43-20, under Title 44, Chapter 43.
S.C. Code Ann. § 44-43-20