Butylphenyl Methylpropional

Butylphenyl Methylpropional is a synthetic fragrance that gives a lily-of-the-valley floral note to perfumes and cosmetics. It's used to build signature scents, but allergen potential and tight regulations now severely limit its use.
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Ingredient Snapshot

Overview
A floral fragrance ingredient now heavily restricted for allergies.
Category
Fragrance
Type
Fragrance

Ingredient Ratings

Overall Rating

Poor

Comedogenic Risk

None

Skin Benefits

Adds a fresh floral aroma that can make products smell more appealing; note that it carries a higher risk of sensitization for some users.

Uses In Skincare & Cosmetics

Commonly included in fine fragrances, body sprays, and scented lotions to impart a distinctive scent profile.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Higher likelihood of irritation and allergic contact dermatitis, especially for sensitive skin. It is banned in the EU for cosmetic use due to CMR concerns. Patch testing is prudent if encountered in older or non-EU products.

Is Butylphenyl Methylpropional a Good Ingredient?

It provides scent only, yet carries a comparatively high sensitization and irritation risk as a known fragrance allergen, and it's now prohibited in EU cosmetics, which is why it's rated Poor. The scent benefit doesn't outweigh the safety concerns, especially in leave-on products.