"External irritants" refers to things outside of our control that cause annoyance, frustration, or discomfort. They are factors or events that irritate or bother us from the outside. Full definition
AluShield is recommended as a protective barrier against external irritant agents in wounds in small and large animals. (medi-vet.com)
Not only does the serum grow ultra-lush length as it promises, but nourishing ingredients like green tea, ginseng, and biotin also shield your lashes from external irritants to keep them from breaking. (health.com)
But no matter how old your child is, whether he is a baby or a teenager, fresh air, absence of aggressive external irritants and even sleeping schedule will remain basic principles of proper rest. (bebezclub.com)