An aromatic 1,3-diol structurally related to avobenzone, listed as a skin-conditioning ingredient.
What it is
Methoxyphenyl t-butylphenyl propanediol is 1-(4-tert-butylphenyl)-3-(4-methoxyphenyl)propane-1,3-diol, an aromatic diol. It has the same carbon skeleton as the UV filter avobenzone, but carries two hydroxyl groups where avobenzone has two ketone groups. CosIng lists it as a skin-conditioning ingredient.
Where it is used
Appears on the ingredient lists of a small number of products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The INCI name does not show which stereoisomers are present or how pure the material is.
Functions
- Skin conditioning
- Maintaining the skin in good condition.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

