[un.gʷen'taː.ri.us] : a perfumer, maker of perfumes and ointments
Aroma Ingredient Usage Statistics
CAS Number: 150-78-7
The statistical data we collected from 4 public perfume formulas suggests that the mean dose for para-dimethyl hydroquinone is 1.4%. The typical lower limit is 0.53%, and the usual higher limit is 3.0%. The highest amount of para-dimethyl hydroquinone we encountered in any single formula is 4.0%, and the lowest was 0.30%.
Restriction Limits In The Finished Product (IFRA Amendment 49):