8. No person shall supply a cosmetic product containing a preservative—
(a)that is not listed in Schedule 6,
(b)that is listed in Schedule 6 unless the requirements set out in columns (c) (d) and (e) of Schedule 6 are satisfied,
(c)beyond the limits and outside the conditions laid down in Schedule 6 except where other concentrations are used for specific purposes apparent from the presentation of the product;