The principle of invisible pen and the harm of invisible pen

There are two types of invisible pens on the market: water-based and oil-based. The words on the pens can only be seen with the help of light, and the ink contained in the pens is not an ordinary fluorescent agent. Long-term use will weaken the body's immunity, which is not conducive to the healing of wounds, affect vision, and in severe cases will cause tears and pain. Although invisible pens are convenient, can hide secrets well, facilitate annotations, and are easy to distinguish, you still need to be careful when using them to avoid causing harm to your health.

Invisible pen. From the literal meaning, it seems that the invisible pen can be invisible, but in fact, the words written by this pen can be invisible. An invisible pen is a pen on the market that becomes invisible under normal light after writing and can only be seen under ultraviolet light. Invisible marker pen, confidentiality pen, secret writing pen, anti-counterfeiting pen, tattoo pen, invisible pen! The editor will introduce the invisible pen to you below.

After writing with the invisible pen, it becomes invisible under normal light and can only be seen under ultraviolet light. There are two types of invisible pens on the market, one is a water-based invisible ink pen, and the other is an oil-based invisible ink pen. The water-based invisible pen turns purple under ultraviolet light and can only be written on paper. Writing on other places is easy to be wiped off and washed away with water, while the oil-based invisible pen turns blue under ultraviolet light. The water-based invisible pen can only be written on paper, and it is waterproof, heat-resistant, non-toxic and environmentally friendly. It can be written anywhere: wood, glass, plastic, etc., and can be preserved forever!

Main functions of oily invisible pen

1. You can write down any of your secrets without anyone seeing them.

2. You can mark your items without destroying their appearance and easily distinguish them from other similar items.

3. When holding various exhibitions, make invisible marks to sort out the order of your equipment and items.

4. You can get a short-term tattoo on your face or arm to become the focus of the disco and pub.

5. Give it as a gift to your friend to give him/her an unexpected surprise.

6. Give it to your customers as a promotional gift, so that they can be surprised and have a deeper impression of your company.

How to use

First, write anywhere with this pen, and then shine a UV light on the place where you wrote. It can be presented.

In ancient times, people also used plant juice to write to achieve the effect of an invisible pen.

Because the brands are different and the products may be sold in different places, the prices should be based on actual conditions.

Do you have an understanding after listening to the editor's introduction? The above is the content about the principle of invisible pen provided by the editor. I hope it can be helpful to everyone.