Author: Kumar MS, Datta PK, Dutta Gupta S
methanolic extracts of aloe gel from different germplasms (S24, RM, TN, OR, and RJN) of Aloe vera L. were tested for their ultraviolet (UV) opacity potential. UV absorption profiles, sun protection factor (SPF), and percentage blocking of UVA and UVB were considered to test UV opacity potential, Chronic exposure to UV may cause sunburn, skin cancer, oxidative stress as well as photoaging, he biological activity of a sunscreen is evaluated by its ability to protect human skin from erythema and is represented by a sun protection factor(SPF), The SPF provides an index of protection against erythemally effective solar UV, cosmetic product formulations, mucilaginous gel of this plant has been shown to have wound healing , anti-in?ammation ,immunostimulatory and antioxidant properties, coef?cient values represent a more reliable presentation of the thickness-independent absorption properties, aloe germplasms