Best For Skin Types
All
Usage Frequency
As directed by product formulation
What Is Phenylacetaldehyde Ethyleneglycol Cyclic Acetal?
Phenylacetaldehyde ethyleneglycol cyclic acetal is a fragrance ingredient used in skincare products to provide scent. It is a synthetic aromatic compound formed through the reaction of phenylacetaldehyde with ethylene glycol, creating a stable cyclic structure that helps preserve the fragrance profile in formulations.
This ingredient functions as a perfuming agent, contributing to the sensory experience of a product rather than delivering direct therapeutic benefits to the skin. It is used in small concentrations and is one of many fragrance components that may appear in a skincare formula.
How It Works
This ingredient works primarily through olfaction—the sense of smell—rather than through a direct mechanism on skin tissue. When applied to skin, volatile fragrance molecules are released, providing sensory appeal during product use.
The cyclic acetal structure makes this compound more stable than its parent aldehyde, reducing unwanted volatilisation and helping the fragrance profile remain consistent throughout the product's shelf life.
Clinical Evidence & References
There is limited published clinical research specifically evaluating this fragrance ingredient's effects on skin. As a fragrance component, its role in skincare is largely sensory and cosmetic rather than therapeutic.
General fragrance ingredients are widely used in cosmetics and have a long history of safety data, though some individuals may experience sensitivity or preference to fragrance-free formulations.
How to Use
This ingredient is used at the manufacturer's discretion in formulated products—there is no separate application protocol for consumers. If you prefer fragrance-free skincare, check product ingredient lists or seek out products specifically labelled as unscented.
Safety & Precautions
Frequently Asked Questions
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A herbal extract primarily used to add subtle fragrance and masking notes to skincare formulations
Petroselinum Crispum Seed Oil
A fragrant seed oil with antioxidant properties from the parsley plant
Phenethyl Alcohol
A colourless liquid used in small amounts as a so-called masking ingredient | Also functions as a preservative to keep formulas fresh and free of microbes
Phenylalanine
Phenylalanine is what is termed as an essential amino acid,
Phenylpentanol
A fragrance alcohol that adds scent to skincare formulations
Pimpinella Anisum (Anise) Fruit Extract
Functions: Fragrance, Skin Conditioning
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