I have talked in various blogs and on our weekly podcast about combing soft pastel and pastel pencils. I always prefer to use soft pastels on top of pastel pencil artwork as an "enhancement". Both products are slightly different in their texture and you will find that if you try to reverse
Pastel Pencil Hair Tutorial
Preview Draw & Paint Wildlife with Pastel Pencils with Colin
Unveiling Pastel Pencil Demonstrations — The Colin Bradley School
Pastel Pencil Guide — The Colin Bradley School of Art
Pastel Pencil Guide — The Colin Bradley School of Art
Colin Bradley School of Art
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Unveiling Pastel Pencil Demonstrations — The Colin Bradley School
Preview Drawing Techniques for Pastel Pencils with Colin Bradley