Patent ID: 6922523

Claim:
A method of assessing the efficacy of a skin care product, said method comprising: (i) taking a first standard photograph of the skin of a person prior to use of said skin care product by said person; (ii) taking at least one first additional photograph of the skin of said person prior to use of said skin care product by said person, said first additional photograph selected from the group consisting of an ultraviolet photograph, a blue fluorescence photograph, and a polarized photograph; (iii) taking a second standard photograph of the skin of a person after use of said skin care product by said person; (iv) taking at least one second additional photograph of the skin of said person after use of said skin care product by said person, said second additional photograph selected from the group consisting of an ultraviolet photograph, a blue fluorescence photograph, and a polarized photograph; and (v) comparing said first standard photograph and said at least one first additional photograph to said second standard photograph and said at least one second additional photograph to determine the efficacy of said skin care product.