Henna art like any other art is known for it diversity, although the henna plant is the same all over the globe, the art of making henna designs differ from people to people and from culture to culture. The art of henna designing also depends majorly on the artist ability, it depends on the artist skills, and it depends on the artist creativity.
Henna designs are created in varieties of shapes, symbols and patterns, The Asian people are known for drawing thin lines for lacy, floral and paisley patterns covering the entire hands, forearms, feet and shins. The African people are known for their large, bold and geometric shaped patterns and there are other varieties of pattern cut across various cultures.

For people born and bred into households where henna art is an inherent culture, the art of henna designing come in handy, for people who love drawing, henna designs can be very simple and easy to do too with just a little practice, but for some other people, they may need to take some henna classes for them to be able to draw their henna patterns.
Henna designing takes a very steady hand to apply the henna designs correctly. In previous years, the henna paste was applied to the skin with a match stick for precision. These days, henna can be purchased in the form of cone (henna cone), tube, jacquard bottles and others, which help to create intricate designs on your skin.
As technology is advancing, the art of henna designing is also making it own advancements. Henna artist have developed various ways of making their henna designs more beautiful and make their work known. Product such as glitter powder, gliding powder, white body paint and many more have been made into paste (different artist with their various techniques) to be applied to your henna  designs. Also, henna artists add various gems and stones to compliment their henna designs.

Another part of henna art is the use of henna and henna related products to decorate things such as wedding candles, frames, gift boxes, phone cases, canvases, gifts, and many more. There are a whole lot of other things henna art is used in, which you can also watch out for.

You should also know that the art of henna designing(henna artistry) is not limited to females alone, it might be surprising to know that males can also be a henna artist, there are a whole lot of talented male henna artist out there, although some religions and cultures frown at the idea of a male doing henna designs.
Or maybe, you don't like drawing henna on people, or your religion or culture do not allow you to, if you are a art lover, you can learn henna art and use your acquired skill in the other aspects of henna designing.
Like every other aspect of life, the art of henna designing will continue to grow.

In the contemporary fashion society, the art of henna designing cannot be overlooked. Henna, as we know gives a reddish-brown stain, and when applied to the skin stains the skin. Henna art has been practised for over 5000 years, although, like other aspects of fashion, it designs wear in and wear out.
 At first, the people of the desert used to use henna to cool down their bodies because of it natural cooling properties, they make a paste from the henna plant and soak their palms and soles of the feet in it to get an air conditioning effect. But as time goes by, people realize that they could stain their skin with it as it left patterns on the skin surface which led to the idea of making designs for decorative purposes.
Also, in some cultures, like Indian and Arabian, henna designing plays a major role in their weddings. Aside that, people from other cultures also adorn themselves with henna for weddings and other occasions. And it is also an alternative to permanent tattoo for people who can't stand to bear the idea of having the a the same design for the rest of their lives.
Today, people all over the globe have adopted the ancient traditions of adorning their bodies with the beautiful natural artwork created from the henna plant. The art of henna designing has now become very popular that even some celebrities in the West like Madonna, Rihanna, Gwen Stefani, Liv Tyler and many others adorn themselves and show them off in public, movies, videos, shoots, e.t.c.
Celebrities in Bollywood have also been known to adorn themselves with it from time, maybe, it is because it is a part of their culture, I will say that it is because of the pleasure and satisfaction derived from decorating yourself with henna. Henna in it whole and various form of existence makes you feel good.
The beauty of henna art cannot be over-emphasized, henna is just beautiful, henna is life, henna gives hope,  that is why you see pregnant women adorning their bellies with it, chemotherapy patients decorating their heads with it and everyone adorning their hands and feet with henna.