SONIA G. Fundamental Crease M Brush, never used, never tested. Get targeted placement with a softly diffused application. Details from website (2024). About Sonia G. Fundamental Crease M Sonia G. Fundamental Crease M is designed with a small round ferrule and long, wispy goat hair, similar in softness to saikoho-grade bristles. It allows you to target placement on a small area with a softly diffused application. The 100% natural goat bristles are more airy compared to Sonia G.’s dense crease brushes, but bristles are disciplined, retaining their shape. Why It's Special The soft, 100% natural goat bristles are airy and wispy yet disciplined to retain their shape The sturdy handle is made from delicate yet durable walnut wood—finished without lacquer, so you can see the grain and feel the wood Each brush is handbound by master artisans in Japan using traditional brushmaking techniques for unparalleled performance and craftsmanship Part of Sonia G.’s updated Fundamental Eye Series How to Use Best paired with powder formulas to build up intensity softly but with precision. Other Details Total length: 156 mm Bristle length: 16 mm Ferrule width: 5 mm White goat bristles