Which fibre should a makeup brush use — natural, synthetic or a blend?
Synthetic fibre suits liquid and cream products because it does not absorb them and washes clean. Natural hair suits powders because the scales pick up and release pigment. Blends are used to hit a price point or a specific softness.
Synthetic for liquids and creams
Synthetic filaments are non-porous, so foundation and concealer sit on the surface and transfer to the skin instead of soaking into the brush. They also wash more completely, which matters for a product used daily on the face.
Natural hair for powder
Natural hair has a scaly surface that grabs powder and releases it gradually. Goat, squirrel and pony hair are common in powder, blush and blending brushes. The trade-off is that natural hair absorbs liquid products and is harder to clean thoroughly.
Fibre shape matters as much as fibre type
A dense flat brush buffs; a loosely packed domed brush diffuses. Buyers should specify the fibre, the density and the head shape together, because the same fibre at two densities behaves like two different products.
Common questions
Are synthetic makeup brushes softer?
They can be made softer or firmer than natural hair. Softness is set by filament diameter and taper, not by whether the fibre is natural.
Can makeup brushes be private labelled?
Yes. Handles and ferrules take print or engraving, and the packaging can carry your brand.