Colorado Revised Statutes Title 25. Health § 25-5-416. Adulteration of cosmetics

(a) 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. 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 irritations 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.” The label shall also bear adequate directions for such preliminary testing. For the purposes of this paragraph (a) and paragraph (e) of this subsection (1), “hair dye” does not include eyelash dyes or eyebrow dyes.

(b) If it consists in whole or in part of any filthy, putrid, or decomposed substance;

(c) If it is produced, prepared, packed, or held under unsanitary conditions under which it may become contaminated with filth or rendered injurious to health;

(d) If its container is composed, in whole or in part, of any poisonous or deleterious substance which may render the contents injurious to health;

(e) If it is not a hair dye and it is, or it bears or contains, a color additive which is unsafe within the meaning of the federal act or section 25-5-413(1).