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How to Make Soft Pastels

Make your own soft pastels

What is a soft pastel?

A soft pastel is a colored stick used for drawing and painting. Its composition is very simple: a blend of pigments, a filler, and a binder.

There are two main categories: dry pastels (either soft or hard) and oil pastels (oil- or wax-based).

A brief history of pastel

Pastel appears to have been invented in France and Italy at the end of the 15th century. Leonardo da Vinci used it in his work.

It became highly popular in the 17th century, used by many artists such as Charles Le Brun, Robert Nanteuil, and Joseph Vivien. But the 18th century was its true golden age. It reached great prestige thanks to artists like Maurice Quentin de La Tour, known as the prince of pastellists. After the French Revolution, its popularity gradually declined.

It never disappeared completely thanks to artists such as Edgar Degas and Toulouse-Lautrec, who continued to use it extensively.

Make your own soft pastels

The Recipe

30 minutes

Easy

Low cost

Ingredients

Utensils

For the mold

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Parchment paper
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Tape
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1 thick marker

For the recipe

Glass plate
1 glass plate 🛒

Or a marble slab

Sieve
1 fine-mesh strainer
Glass muller
1 glass muller 🛒

If you don't have one, you can use a spatula.

Note: The products above marked with the “🛒” symbol are affiliate links. If you purchase through these links, I receive a small commission that helps support this blog, at no extra cost to you.

Julien's Tips

You can use silicone kitchen molds to give your soft pastels original shapes.

Preparation

Part 1 – Making the Binder

Just like paints, soft pastels are mainly made of a mixture of pigments and a binder, which in this case is gum arabic. This gum can be bought ready-to-use in liquid form in fine arts stores, or in grains, in which case it must be prepared before use.

If you have liquid gum arabic, you can skip this step, since your binder is ready to use.

On the other hand, if you have gum arabic in grain (crystal) form, you need to prepare your gum water.

  • To do this, pour 1 part gum arabic and 2 parts distilled water into a jar. You can then wait 24 hours for the gum to dissolve, or heat it gently in a double boiler to speed up the process.
  • Then, transfer the gum water into a new jar, passing it through the fine-mesh strainer and remove impurities.

Part 2 – Making a Mold

Pastels are generally presented in a cylindrical shape, but you are free to give them any appearance you like. For example, silicone cake molds allow you to create original shapes. The main thing is to make sure they come out of the mold easily.

If you want to make the “classic” cylindrical shape, get some tape, parchment paper, and a fairly thick marker. The size of the marker will determine the thickness of your future pastels.

  • Wrap the parchment paper around the marker 2 to 3 times, then tape it along the full length.
  • Make sure the end of the marker lines up with the end of the paper and, if necessary, cut the paper to fit.
  • Put some tape over the bottom of the paper cylinder while leaving the marker inside to prevent the cylinder from deforming. Use enough tape to prevent any liquid from escaping.
  • Remove the marker.
  • Your cylindrical mold is ready!

Part 3 – Making the Soft Pastels

Step 1
  • Place the pigment and kaolin on the glass plate and mix with the spatula until the color is even.
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Step 2
  • Add about a quarter of a glass of distilled water and grind with the muller until you obtain a smooth paste.
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Step 3
  • Add 2 drops of glycerin and a small teaspoon of gum arabic (≈ 3 g). Use the muller again to thoroughly disperse the pigments in the binder.
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Step 4
  • Scoop the paste into your mold, using the spatula if needed.
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Step 5
  • Allow to dry for at least one week in dry summer weather.
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