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IFRA Info

Every fragrance oil will list the maximum rates allowed by IFRA. The numbered categories for different products are listed below. Just match the category numbers below to the ones listed in the scent's description and those will be the maximum amounts allowed before skin irritation occurs. Those numbers are not the actual usage rates, just the maximum rates.

IFRA Compliance Statement 

--IFRA (International Fragrance Association) provides guidelines for safe usage of fragrant chemicals and essential oils in perfumes and skincare. 

1 Products applied to the lips
2 Products applied to the axillae (armpit)
3 Products applied to the face/body using fingertips
4 Products related to fine fragrance
5A Body lotion products applied to the body using the hands (palms), primarily leave-on
5B Face moisturizer products applied to the face using the hands (palms), primarily leave-on
5C Hand cream products applied to the hands using the hands (palms), primarily leave-on
5D Baby Creams, baby Oils and baby talc
6 Products with oral and lip exposure
7A Rinse-off products applied to the hair with some hand contact
7B Leave-on products applied to the hair with some hand contact
8 Products with significant anogenital exposure
9 Products with body and hand exposure, primarily rinse off
10A Household care excluding aerosol products (excluding aerosol/spray products)
10B Household aerosol/spray products
11A Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
11B Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
12 Products not intended for direct skin contact, minimal or insignificant transfer to skin