It was being ridden by a naked man whose skin was smeared in pale blue gel.

They fell silent as each took a towel and began wiping off the blue gel, now that it had set into a film.

For example, a blue gel is used to create blue light.

Midnight Blue Lighting gel, a darkish blue gel used to simulate the reflection of the moon.

She recognized the face of one of her attackers beneath a layer of blue gel.

Christine LaFayette blinked a layer of viscous blue gel from her eyes and sat up, coughing.

She coughed again, and spat a wad of blue gel to one side.

She adorned figures with wig and masks sculptured from plasticine in yellow, black, blue, gray and translucent gel.

The ensign was scraping blue gel off the walls.

This Holga film camera features a color wheel that tints the flash with clear, red, yellow, blue gels to add stunning effects to your pictures.