Here's a review of some white gel pens, white markers, paint and ink I've used for my watercolour sketches. These are great for adding highlights, especially drawing into tiny areas where it would be extremely difficult to do so with a watercolour brush. These are very convenient. For pens and markers, you can just uncap and use. There's a huge variety of products that use
Best (and Worst) White Pens for Drawing: The Ultimate White Pen Test!
Mr. Pen- White Pens, 8 Pack, White Gel Pens for Artists, White Gel Pen, White Ink Pen, White Pens for Black Paper, White Drawing Pens
Arteza Acrylic Paint Markers Art Supply Set, White Fine Nib - 12 Piece
Pentel Permanent Marker, White, Fine Point, 1-Pack (100W-S) : Office Products
Best White Pen - Most Opaque Pen - White Marker Demo
JetPens.com - JetPens White Ink Pen Sampler
Haile White Marker Paint Pens White 0.7-2.0mm Oily Waterproof Permanent Plastic Gel Pen for Car Tire Painting Graffiti Markers
The white paint marker pens utilize vivid, acrylic ink that is non toxic, no odor, and water resistance are ideal for teenagers & adults, students
Oily White Marker Pens Graffiti Waterproof Permanent Gel Pencil Tire Pai FAST
White Gel Ink Pens - 0.8MM Fine Tip, for Artists, Drawing, Sketching, Black Paper, Pack of 6: Buy Online at Best Price in UAE