JSFiddle - React, Tailwind, and code Playground

HTML

<select id="selectlist" name="selectproduct" >
 <option value=""> --- Select product  --- </option>
 <option value="1">Product 1</option>
 <option value="2">Product 2</option>
 <option value="3">Product 3</option>
 <option value="4" id="i">Product 4</option>
</select>

CSS

#i{display:none;}