Synthetic Kolinsky vs Squirrel vs Mangosta: Artist Brush Guide

Choosing a paint brush by shape alone is only half the decision. The fibre determines how much colour the brush holds, how quickly it returns to its point, how softly it moves across the surface and how much control you feel in your hand. Synthetic fibres are not all the same: some are designed for spring and precision, while others are made for softness and large washes.

Quick comparison of artist brush fibres

What is synthetic Kolinsky?

Synthetic Kolinsky is engineered to imitate the spring, taper and colour release associated with natural sable-type hair without using animal fur. Its biggest advantage is control. A well-shaped synthetic Kolinsky brush forms a sharp point, bends under pressure and returns quickly when the pressure is released.

This makes it especially useful for round, liner and rigger brushes. Artists can move from a thin line to a fuller stroke and back again without the brush feeling floppy. It suits watercolour, gouache, ink and fluid acrylic, and it is a strong choice for miniature work, outlines, lettering, branches and fine botanical marks.

When should you choose synthetic squirrel?

Squirrel-style synthetic fibre is chosen for softness and capacity rather than firm snap. The brush belly absorbs a large amount of water and pigment, then releases it gradually across the paper. This behaviour is ideal for skies, backgrounds, graded washes, glazing and wet-on-wet passages.

Because the fibre is soft, it is commonly used in watercolour mop brushes and larger rounds. It is less suitable when you want a stiff, sharply responsive stroke. For artists who love flowing colour and smooth transitions, however, it can be the most comfortable option.

Where does Mangosta synthetic fit?

Mangosta is a balanced multi-purpose synthetic. It sits between the firmness of a detail-focused Kolinsky-style fibre and the softness of a squirrel-style fibre. It can carry a useful amount of colour while retaining enough spring for controlled shapes.

That balance works well in round, flat and filbert sets. It is helpful for artists who move between watercolour, gouache and acrylic and want one dependable family of brushes rather than a highly specialised fibre for every technique.

What is Velour mixed-media fibre?

Velour is a soft, flexible synthetic developed for adaptable handling across several mediums. It can create smooth blends, soft edges and expressive strokes while remaining easier to clean than many natural fibres. It is particularly useful in flats, filberts, angular brushes and mixed-shape sets.

How to choose the right fibre

• Choose synthetic Kolinsky when point, snap and line control matter most.
• Choose synthetic squirrel when water capacity and soft washes matter most.
• Choose Mangosta for a balanced, versatile brush across multiple techniques.
• Choose Velour for soft mixed-media handling, blending and flexible strokes.

The best brush is not simply the softest or most expensive one. It is the fibre that matches the mark you want to make. Explore Stationerie handmade artist brushes to compare shapes, sizes and fibres side by side.

Frequently asked questions

Is synthetic Kolinsky suitable for beginners?

Yes. Its responsive point can make brush control easier to understand, especially for rounds and liners. Beginners should start with a small selection of useful sizes rather than buying many similar brushes.

Which fibre holds the most water?

A soft squirrel-style synthetic mop normally holds more water than a firm detail brush of a similar size because of its larger belly and flexible fibres.

Can one brush be used for watercolour and acrylic?

Many synthetics can handle both, but clean them immediately after acrylic use. Dried acrylic near the ferrule can permanently change the brush shape.