In recent years, designers have come up with many ideas for toilets as part of a global effort to provide safe, hygienic and effective sanitation in areas from India to Mars.

These innovations include developing alternatives to water- or electricity-powered toilets, as well as creating more convenient alternatives to traditional waste disposal technologies. Many responded that the WHO estimates that around 2.8 billion people worldwide are forced to use unsafe sanitation facilities.

While some of the following are already in use in specific locations, many are still concepts designed for future use in society. We will share with you a few innovative toilets.

Archie Read's Sandi Toilet ：Archie Read invented a waterless toilet called the Sandi, designed for rural areas of sub-Saharan Africa where many people do not have access to safe sanitation. Users fill the toilet's tank with sand or a similar dry and powered material, such as sawdust, to prevent faeces from sticking to the belt. After use, the toilet is 'flushed away' by a lever that activates the belt and takes the waste to the bin below, which is sealed by a spring-loaded door.

Nagami's 'throne' ：A collaboration between Spanish studio Nagami and the To.org Foundation, the 'Throne' is a toilet cubicle 3D printed from discarded medical equipment. This portable toilet consists of three parts - a pear-shaped body, a double curved sliding door and a bucket for collecting solid waste that can then be composted and used as fertiliser.

Hi Toilet by Kazuo Sato：Visitors needing to relieve themselves while walking through Tokyo's Shichiko-dori Park can do so in the Hi Toilet, a public toilet that uses voice commands to control functions including the door, toilet flush, taps and playing ambient music. Designer Kazoo Sato designed this toilet to counteract the perception of public toilets as poorly lit, dirty, smelly and scary.

LooWatt's waterless toilet ：The LooWatt may not look futuristic, but its inventor believes it could revolutionise sanitation, especially for those living in extreme poverty. It can be flushed without using any water, safely disposing of human excrement, which is then collected in a biodegradable polymer membrane and sent to an anaerobic digester where it is converted into electricity.

We believe that creating new solutions for 21st century sanitation requires giving people the same experience as a flush toilet, both hygienic and odor-free. On the road of toilet innovation, Oceanwell continues to break through and strive to develop a number of toilet products with cutting-edge technology and environmental protection

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