Butylphenyl methylpropional: is it comedogenic? What it does in skincare

What it does

Floral scent ingredient, no longer allowed in EU cosmetics.

• Perfuming

Butylphenyl methylpropional in plain English

Butylphenyl methylpropional is a synthetic lily-of-the-valley scent compound. It has not been allowed in cosmetics sold in the EU since 2022 because of safety concerns, though it may still appear in older products or products from other markets. It is one of the scent components that must be named on EU labels above set levels because it can trigger allergic reactions in some people. For acne-prone skin it does not clog pores, but irritation and redness can make breakouts look and feel worse, so sensitive skin may do better without it.

Is butylphenyl methylpropional bad for acne?

Not usually, but it is worth watching. Butylphenyl methylpropional is not a proven pore-clogger, but scent ingredients like this can irritate sensitive skin, and irritated skin can make breakouts look and feel worse. Notice how your skin reacts when a product lists it near the top.

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Also called

• Butylphenyl Methylpropional
• Lilial
• Lilial aldehyde
• P-tert-butyl-alpha-methylhydrocinnamic aldehyde

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