Cosmetics

Question 1

what is a cosmetic

Answer 1

and substance or mixture intended to be placed in contact with various external parts of the human body

Question 2

what is the trace value of cosmetics

Answer 2

• increasing use
• independent of age gender ethnicity
• easily transferred
• relatively persistent
• uncommon layering combos increase probative value

Question 3

special effect pigments

Answer 3

pearlescent
iridescent = light reflection causes colour change

gomichromism = where surfaces appear to change