Noun irritant has 1 sense

1. irritant, thorn - something that causes irritation and annoyance; "he's a thorn in my flesh"
   --₁ is a kind of annoyance, bother, botheration, pain, infliction, pain in the neck, pain in the ass
   

   Derived form: verb irritate1

Irritants

A noun referring to substances or factors that cause annoyance, discomfort, or provoke irritation.

Senses:

1. A substance causing mild to severe irritation or annoyance to the body or a specific body part.
2. A factor that provokes irritation or annoyance to a person's feelings, patience, or temper.

Examples:

Sense 1:

• The strong chemical fumes were irritants to her respiratory system.
• Household cleaning products may contain strong irritants that can cause skin irritation.

Sense 2:

• Constant interruptions while working are major irritants for many employees.
• Having to wait in long lines is an irritant that can easily ruin one's mood.

Possible Related Products:

• Skin irritation cream
• Air purifier
• Workplace distractions
• Stress relief products