A reliable, oil-compatible brush can make or break a painting. Because oil paints are viscous, it’s important that you equip yourself with a tool with hairs sturdy enough to move this medium smoothly while maintaining its shape. Many modern brushes are made with synthetic filaments like nylon or polyester, but ones made of natural hair generally perform better and last longer. Made of hairs from animals such as pigs and ponies, these tend to be pricier, but you’ll find that good-quality ones are well worth the investment.
Source: artnews.com
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