Plant Extracts

Thymus Serpyllum Extract

INCI: THYMUS SERPYLLUM EXTRACT

Reviewed by Emma · Last updated 18 Aug 2026

A botanical extract traditionally used to support skin conditioning and comfort

Best For Skin Types

All, Sensitive, Combination

Addresses

Sensitivity, Redness

Usage Frequency

Daily

What Is Thymus Serpyllum Extract?

Thymus Serpyllum Extract is derived from wild thyme (creeping thyme), a herbaceous plant native to Europe. The extract is obtained through the infusion or concentration of the plant's aerial parts, which contain various phytochemicals including flavonoids and phenolic compounds.

In skincare formulations, this ingredient functions primarily as a skin conditioner. It is used in relatively low concentrations (found in roughly 0.1% of skincare products) and is typically included to support overall skin health and comfort rather than to address a specific concern.

How It Works

The extract works through its constituent phytochemicals, which are thought to interact with the skin's outer layers. Flavonoids and phenolic compounds possess inherent antioxidant properties that may help neutralise free radicals generated by UV exposure and environmental pollution.

The skin conditioning effect is likely delivered through the extract's ability to support the skin's natural moisture retention and maintain a smooth surface texture. However, the precise mechanisms in cosmetic applications remain understudied.

Clinical Evidence & References

Published research specifically examining Thymus Serpyllum Extract in skincare formulations is limited. Most evidence comes from traditional herbal medicine or in vitro studies examining the plant's isolated compounds rather than the extract as used in cosmetic products.

The antioxidant and antimicrobial potential of thyme extracts is well-documented in laboratory settings, but translation to meaningful skin benefits in finished products requires further investigation. It is best regarded as a supplementary ingredient within a broader formulation rather than a primary active.

How to Use

Thymus Serpyllum Extract is typically used as part of a complete skincare routine rather than as a standalone treatment. It is most effective when combined with other evidence-backed ingredients tailored to your specific concerns. Apply products containing this extract as directed by the formulation—usually twice daily as part of cleanse, treat, and moisturise steps.

Safety & Precautions

Generally well-tolerated in skincare formulations at typical concentrations. Individuals with known sensitivity to plants in the Lamiaceae family (mint family) should perform a patch test first.

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