Butylphenyl Methylpropional (Ingredient Explained +

Fragrances make products smell appealing but are a common cause of skin irritation and allergic reactions. This includes synthetic fragrances, natural fragrances, and essential oils. Fragrance-free products are the safest bet for sensitive skin.

A list of the most-known allergic substances from the European Union's Cosmetics Regulation 1223/2009.

May cause Irritation

These ingredients have higher irritation potential, particularly for sensitive skin. Common reactions include redness, burning, or itching. If you have sensitive skin, patch test first and introduce these ingredients slowly into your routine.

Butylphenyl Methylpropional is a synthetic fragrance. You might know it as "lilial". The scent of this ingredient is floral-like and similar to the scent of lily flowers.

In March of 2022, the EU banned this ingredient in both rinse-off and leave-on products. This is because research found Butylphenyl Methylpropional to disrupt fertility in rats.

This ingredient is also a known EU allergen, meaning it is likely to cause an allergic reaction. Irritated skin can be damaging.

We always recommend speaking with a professional if you have any concerns or questions about this ingredient.