The following product has been formulated for the African market:
A dark red-pigmented shimmer lipstick and clear-coat twin-pack packaged into a black plastic tube with a transparent plastic casing on the lipstick end and a metal-coated plastic screw lid with built-in brush on the clear-coat end. The product must be stable for 18 months after opening. It will be transported by truck to various supermarkets and pharmacies throughout the African continent.
(a) List the product attributes that should be tested and what test should be used in each case.
(b) Draw up a stability testing protocol for the product and its packaging, justifying your choices:
(a) Discuss 3 categories of claims testing.