Can You Be Allergic to Sunscreen?

Sunscreen is one of the most important personal care products available for protecting your skin from damaging ultraviolet (UV) rays from the sun. But what if you’re allergic to this helpful substance?

If you develop a rash or irritated skin after applying sunscreen, it’s possible you may be experiencing an allergic reaction. But the reaction may not be as cut-and-dried as that. 

True sunscreen allergies are uncommon. More likely, your reaction is caused by an added ingredient in the sunscreen. 

At Allergy, Asthma, & Immunology Associates, with offices in Tampa and Brandon, Florida, our team of specialists wants to help ensure your skin stays protected from the sun without triggering a reaction. 

Here, we share what might cause red, irritated, and itchy skin after applying sunscreen so you can pick a product that protects your skin without a reaction.

What is an allergy to sunscreen?

An allergy to sunscreen is usually some form of contact dermatitis, a skin reaction that usually results in a red, itchy rash. There are two main types of contact dermatitis:

Irritant contact dermatitis

Irritant contact dermatitis usually happens when an ingredient in sunscreen disrupts your skin’s barrier. This is common in people with sensitive skin.

Allergic contact dermatitis

Allergic contact dermatitis is an immune system reaction that causes the release of histamines when your skin comes in contact with something it considers harmful. This type of reaction often develops after repeated exposure to the suspected ingredient.

Irritant contact dermatitis is more common than allergic contact dermatitis. 

What ingredients are most troublesome?

Sunscreens contain a mix of active and inactive ingredients, and any one may cause an allergic reaction. The most common allergens in sunscreens are chemical UV filters such as:

• Oxybenzone
• Avobenzone
• Octocrylene
• Para-aminobenzoic acid (PABA)

The above ingredients absorb UV rays, but they can sometimes irritate sensitive skin. 

Fragrances, preservatives, and stabilizers in sunscreens may also cause a reaction. 

What are the symptoms of sunscreen allergy?

Symptoms of a sunscreen allergy can vary. You may notice redness, itching, or burning immediately after applying the sunscreen. Sometimes there’s a delayed reaction, and you may get a bumpy rash an hour or more after rubbing the sun protectant into your skin. 

In some cases, you may develop a photoallergic reaction, which occurs when the ingredient in the sunscreen reacts with sunlight. 

How can I prevent a reaction?

If you suspect your sunscreen is causing a reaction, start by checking the ingredient list and avoiding known triggers like those mentioned above. Also, choose products labeled:

• Fragrance-free
• Hypoallergenic
• For sensitive skin

However, these labels may not guarantee safety. Patch test new sunscreens to identify potential culprits by applying a small amount of the lotion to a discreet area of skin, like your inner forearm. Then, wait 24 to 48 hours to see if you develop a reaction before using it on larger areas.

You might also consider switching to a mineral-based sunscreen, such as zinc oxide or titanium oxide, since these are generally better tolerated by people with sensitive skin. 

When should I seek professional help?

If your skin reactions are severe or worsening, it’s time to talk to a health care provider. As experts in allergies and immunology, our team can help find the specific ingredient causing your reaction through skin patch testing. The results help us identify safe alternatives for you.

Protecting your skin from the sun is essential, but it shouldn’t come with discomfort. You can find a sunscreen that works for your skin, without irritation, when you have the right help.

Call one of our offices today or book an appointment online.