Short answer
Acrylic (water-based) paint pens are low-odor, layer well and suit porous surfaces: paper, wood, rock, canvas and fabric. Oil-based paint pens grip non-porous surfaces such as glass, metal and plastic and resist water better, but they smell, dry slower and are harder to layer. For kids and most art, choose acrylic.
Side by side
| Acrylic (water-based) | Oil-based | |
|---|---|---|
| Base | Water-based acrylic or pigment paint | Oil or solvent-based paint (often enamel) |
| Best surfaces | Paper, wood, rock, canvas, fabric, pumpkins | Glass, metal, plastic, glazed ceramic, rubber |
| Odor | Low | Noticeable solvent smell; ventilate |
| Drying | Fast; Posca says within minutes | Slower |
| Layering | Layers well once each coat is dry | Harder to layer cleanly |
| On smooth surfaces | Can wipe off (handy for windows) | Grips and stays |
| Water resistance | Permanent on porous surfaces; seal for outdoors | High once cured |
| Cleanup | Water while wet | Solvent |
| For kids | Yes, with supervision | No |
| Examples | Posca, Molotow ONE4ALL, Montana Acrylic, Pilot Pintor | Sharpie oil-based paint marker, Uni PX-20 |
Posca behavior from Posca’s FAQ; oil-based drawbacks on curved, smooth surfaces from Bob Vila.
When acrylic wins
- Art and illustration. Opaque, flat color that layers, with tip sizes from 0.7 mm to 15 mm and brush tips. See the best acrylic markers for artists.
- Porous surfaces. Posca says its paint is permanent without fixative on wood, cardboard, textiles and pebbles.
- Kids and classrooms. Low odor and water cleanup. Read what non-toxic labels mean.
- Removable art. Water-based paint can be wiped off glass, which makes it the go-to for window and mirror designs.
When oil-based wins
- Glass, metal and plastic that must stay marked: tools, bike frames, bins, garden labels.
- Wet or outdoor use where you cannot add a sealer.
- Industrial labeling on surfaces with some oil or grime (clean them anyway).
Sharpie oil-based paint markers on Amazon
Markers that are not what they seem
| Marker | What it actually is |
|---|---|
| Sharpie oil-based paint marker | Oil-based paint. Not acrylic. |
| Sharpie Creative Marker | A separate water-based acrylic line; smooth flow but not very opaque in independent testing. |
| Uni PX-20 | Oil-based paint marker with a medium tip of about 2 mm. Not acrylic. |
| Faber-Castell Pitt Artist Pen | India ink, not acrylic paint. |
| Posca | Water-based pigment paint that behaves like acrylic; not refillable. |
Sharpie Creative notes from Sarah Renae Clark’s cotton core results.
Mugs, plates and the dishwasher
Neither standard acrylic nor oil-based paint pens should be treated as dishwasher safe unless the maker says so. For anything you will wash, use a glass and porcelain pen designed to be baked: KREUL says its Classic pen becomes dishwasher safe after baking at 160 °C for 90 minutes, and to paint only surfaces that do not come into contact with food. Keep any paint off rims and food surfaces.
KREUL porcelain pens on Amazon
Still unsure? The marker picker sends glass, metal and plastic to the right pen automatically, and the surface chart covers every common material.
Questions people ask
Are oil-based paint pens waterproof?
Once cured they are far more water-resistant than water-based markers, which is why they are used for labeling metal, glass and outdoor items. Nothing is dishwasher safe unless its maker says so.
Is a Sharpie paint pen acrylic?
It depends on the line. Sharpie’s oil-based paint markers are not acrylic. Sharpie Creative Markers are a separate water-based acrylic line, which independent testing rated as smooth-flowing but not very opaque.
Which paint pen is best for glass?
For decor you will not wash, an oil-based paint marker grips best. Water-based pens such as Posca wipe off smooth glass, which suits window art. For anything washed, use a bake-on glass and porcelain pen as its maker directs.
Are oil-based paint pens safe?
Use them with ventilation and keep them away from young children. Solvent fumes are the main issue; Bob Vila cites Poison Control on health risks from oil-based paints, such as skin irritation.
Can I use acrylic paint pens over oil-based ones?
Not reliably. Water-based paint does not bond well on top of oil-based paint. Oil-based pens over fully dry acrylic usually work; test first.
Sources
Last reviewed 2026-10-12. Specs and availability change; check the listing before you buy.