Fragrance

Butylphenyl Methylpropional

INCI: BUTYLPHENYL METHYLPROPIONAL

Reviewed by Daisy · Last updated 14 Aug 2026

Also known as: Butylphenyl Methylpropional

A synthetic fragrance ingredient used to add scent to skincare formulations

Best For Skin Types

All

Usage Frequency

As directed on product

What Is Butylphenyl Methylpropional?

Butylphenyl methylpropional is a synthetic fragrance compound used in cosmetics and personal care products to provide scent. It belongs to a class of fragrance ingredients that are chemically engineered to create specific aromatic profiles, rather than being derived directly from natural sources.

In skincare formulations, this ingredient functions purely as a perfuming agent. It does not provide active skincare benefits; its role is solely to enhance the sensory experience of using a product.

How It Works

Butylphenyl methylpropional is a volatile compound that evaporates from the skin after application, releasing its scent. It does not interact with skin cells or biological processes in any therapeutic way.

Clinical Evidence & References

This ingredient is classified as a fragrance allergen under European regulations, meaning it has been identified as having the potential to trigger allergic contact dermatitis in some individuals. Research on household products and cosmetics shows that fragrance allergens, including synthetic fragrance compounds, are among the most frequently identified skin sensitisers in personal care formulations.

However, the likelihood of a reaction depends on individual sensitivity and the concentration used. Most people tolerate fragranced skincare products without issue, though those with fragrance sensitivity or reactive skin should exercise caution.

How to Use

If you are using a fragranced skincare product containing this ingredient, apply it as directed on the product label. Those with known fragrance sensitivity should consider patch testing first, or opting for fragrance-free alternatives.

Safety & Precautions

This ingredient is generally well-tolerated by most people. It is a known fragrance allergen and may cause irritation or allergic contact dermatitis in sensitive individuals.

Frequently Asked Questions

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