Synthetic fragrance ingredient with a strong floral scent. (Also goes by the name 2-(4-tert-Butylbenzyl) propionaldehyde or lilial.) Butylphenyl methylpropionalŠ—Ès use in cosmetics is restricted due to concerns over sensitivity.Î¾
The presence of butylphenyl methylpropional must be indicated in the list of ingredients if the product contains more than 0.001% and is meant to be left on skin; it also must be listed if the product contains more than 0.01% and is meant to be rinsed, like cleansers and shampoos.
References for this information:
Global Regulatory Issues for the Cosmetics Industry, 2009, volume 2, pages 55-78