This study demonstrates that yarrow increases the proliferation and stimulation of dermal fibroblasts, suggesting it may have wound healing properties.

PMID: 

Med Arch. 2015 Aug ;69(4):212-7. Epub 2015 Aug 4. PMID: 26543303

Abstract Title: 

In Vitro Evaluation of Achillea Millefolium on the Production and Stimulation of Human Skin Fibroblast Cells (HFS-PI-16).

Abstract: 

AIM: In the present study, we aimed the effects of the hydroalcoholic extract of Achillea millefolium (HEAML) on human skin fibroblast cells (HSF-PI-16) proliferation, stimulation and growth properties.METHODS: Initially, using HSF-PI-16 monolayer culture, we created one line scratch method as an in vitro wound closure and after 3 days monitored via an inverted microscopy.RESULTS: HEAML selectively inhibited proliferation of HSF-PI-16 cells at higher concentration (>20.0 mg/mL), and stimulated at lower concentrations (

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