Some sunscreens may cause redness, itching, or rash, especially for those with sensitive skin.
Certain sunscreen formulations, particularly oil-based ones, can clog pores, leading to acne.
Ingredients like fragrances and preservatives in sunscreen can trigger allergic reactions, causing swelling.
Sunscreen can cause burning or stinging if it accidentally gets into the eyes, leading to discomfort.
Some chemical sunscreens contain ingredients that may interfere with hormone levels.
Ingredients like oxybenzone and octinoxate can harm marine life, including coral reefs.
Wearing sunscreen in hot, humid conditions can trap sweat, leading to heat rash or prickly heat.
Some sunscreens can dry out the skin, especially those with alcohol or mattifying properties, leading to flakiness.
Paradoxically, improper use or inadequate protection from broad-spectrum sunscreens can still allow UV damage.
Sunscreen can leave stubborn stains on clothes, particularly those containing avobenzone.