evaluated Does sensory matter? In the true spirit of the politician, this question can be answered with many qualifications, for the answer may be ‘yes’, ‘no’ or ‘maybe’ depending on where you stand.
There are a large number of ‘senses’ – apart from those traditional five reputed to have first been listed by Aristotle, namely taste, touch (or feel), sight, smell and hearing – there are many other defined senses listed in the various literature including:
• Pain (nociception).
• Balance (equilibroception).
• Joint motion and acceleration (propioception and kinaesthesia).
• Sense of time.
• Temperature differences (thermoception).
• Sense of direction (magnetoception): primarily avian but existing to a lesser extent in humans.
These are just a few. Only recently1 an article was published claiming that there is a new sixth factor in taste – after the accepted sweet, salt, sour, bitter and umami – a sense of the taste of fat. These senses illustrate that there are many factors which may impact on any sensory analyses. Most of these may not play any real part in the sensory evaluation of cosmetics. This article will look at those that do and review what relevance they may have.
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