Temporary tattooing is drawing on the skin so it’s impermanent. It is often done in complete safety, using natural ingredients, such as henna, jagua, water-based body paints.
Henna is probably the most ancient red body painting plant as it has been found in all human civilisations that existed on planet earth.
Jagua, genie americana, has also been used for centuries to paint the body. a fruit from south America, often used to give a dark blue colour your favorite sorbets.