A cosmetic shall be deemed to be adulterated:
(1) If it bears or contains any poisonous or deleterious substance which may render it injurious to users under the conditions of use prescribed in the labeling or advertisement thereof, or under such conditions of use as are customary or usual. However, this provision shall not apply to coal tar hair dye, the label of which bears the following legend conspicuously displayed thereon: “Caution — This product contains ingredients which may cause skin irritation on certain individuals, and a preliminary test according to accompanying directions should first be made. This product must not be used for dyeing the eyelashes or eyebrows; to do so may cause blindness”, and the labeling of which bears adequate direction for such preliminary testing. For the purposes of this subdivision (1) and subdivision (5) of this section, the term “hair dye” shall not include eyelash dyes or eyebrow dyes;
(2) If it consists in whole or part of any filthy, putrid, or decomposed substance;
(3) If it has been produced, prepared, packed, or held under insanitary conditions whereby it may have become contaminated with filth or whereby it may have been rendered injurious to health;
(4) If its container is composed, in whole or in part, of any poisonous or deleterious substance which may render the contents injurious to health; or
(5) If it is not a hair dye and it bears or contains a coal tar color other than one from a batch which has been certified under authority of the Federal Food, Drug, and Cosmetic Act.