set with .innerHTML, get with .innerText
You can use innerText to get the text-only representation of an element's innerHTML. So you set the .innerHTML value and get the text using .innerText.
innerText will use the raw text with the exact spaces existing in the HTML. If you want to format the text for every p tag, you must loop through them.
See example snippet below for .innerText usage.
var str = `<p class="">Lores Ipsimulm</p><p class="">1 x 100ml - 19% </p><p class="">1 x 100ml No.6 Mike</p><p class="">1 x 100ml No.3</p>`;
var p = document.createElement("p");
p.innerHTML = str;
var converted = p.innerText;
console.log(converted);
 
 
You set the HTML value with innerHTML, but you get the text using innerText as shown in the snippet.
Your example HTML has an open < at the end. Make sure to use valid HTML.