Which is better for detailed work?

Both hold a point, but the Polychromos 3.8 mm core is softer and lays down color with less pressure for fine lines. The Derwent Lightfast core is firmer and suits crisp detail work too.

Which lasts longer on display?

Derwent Lightfast states 100% lightfastness for up to 100 years under ASTM D6901. Polychromos is lightfast but gives no comparable year figure, so Derwent is the safer pick for framed or sold work.

Is the Polychromos 120 worth it over the 100?

You get 20 more colors and a softer, water-resistant core. If you need the widest range in one tin, yes; if archival rating matters more, the Derwent set wins.

Can I blend these with water?

No. Both are oil-based and not water-soluble. Polychromos marks resist water and smudging, so use solvent blending or dry layering instead.

Which set is better for beginners?

The Polychromos 120 gives more colors and a forgiving soft core, which helps beginners layer. The Derwent set rewards a firmer hand and is aimed at archival work.

Do the pencils come pre-sharpened?

The Polychromos set is listed as pre-sharpened. Derwent does not state sharpening status for the Lightfast wooden box set.

Faber-Castell Polychromos Artists' Color Pencils, Tin of 120 vs Derwent Lightfast Colour Pencils, Wooden Box, Set of 100

Both are oil-based, lightfast artist pencils, so the choice comes down to set size, core feel and price. The Polychromos tin of 120 is the broader set and the softer, smoother laydown, while Derwent Lightfast is built around a 100-year lightfastness claim and a wooden box. Check the live prices at each store before deciding, since neither listing gave a price here.

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