Hamamelis Virginiana (Witch Hazel) Extract

Sebum / AcneAntioxidantSoothing

INCI: Hamamelis Virginiana (Witch Hazel) Extract

In short · TL;DR

Category

Botanical

Effect

Gives a tightening feel and refines the texture of skin bothered by sebum or noticeable pores

Concentration

Formulated as an extract at 1–10% (aromatic distillate water is used at high levels / verify formulation)

Effect

Gives a tightening feel and refines the texture of skin bothered by sebum or noticeable pores

Mechanism

The astringent action of tannins (hamamelitannin) tightens the stratum corneum surface and works in an antioxidant manner

Typical concentration

Formulated as an extract at 1–10% (aromatic distillate water is used at high levels / verify formulation)

Onset

Tightening feel from immediately after; change in impression over several weeks

Cautions

Ethanol-extracted/distilled products may cause dryness or irritation. High-concentration tannins require caution on sensitive skin

Evidence & references

参考文献: Hamamelis virginiana L. in Skin Care: A Review of Its Pharmacological Properties and Cosmetological Applications（PubMed PMID:40649262 https://pubmed.ncbi.nlm.nih.gov/40649262/）

This page is reference information and does not guarantee efficacy. Figures vary by test conditions (in vitro / manufacturer / concentration). It does not indicate pharmaceutical efficacy.

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