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Unexpected reaction? It could be a fragrance allergy.

See a Fragrance Allergy Specialist in St. Louis, Missouri

Fragrance allergy can cause itchy, red, irritated skin after contact with scented products such as perfumes, lotions, soaps, shampoos, deodorants, detergents, cosmetics, and household products. For some people, the cause of the rash is obvious. For others, symptoms keep coming back without a clear trigger because fragrance ingredients can be found in many everyday products.

If you suspect a fragrance allergy, Dr. Sonia Cajigal can help determine whether your symptoms are caused by allergic contact dermatitis, irritation, or another skin condition. Fragrance allergy is usually evaluated with patch testing, a type of allergy test used to identify delayed skin reactions caused by substances that touch the skin.

“Had my first appointment with Dr. Cajigal. She’s wonderful. A different doctor had said there wasn’t much I could do for my allergies, except maybe move out of state. I was desperate and came to the doctor for help. She listened and was very thorough in her diagnosing my problems. I’m not better yet but I’m very pleased with how this appointment went and I’m optimistic about my health!”

– Rosana B, November 2021

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Fragrance Allergy Specialist Doctor Sonia Cajigal of St. Louis Family Allergy in St. Louis, Missouri
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About Fragrance Allergy

Overview

Common Causes

Symptoms

Testing

Treatment

Fragrance allergy occurs when the immune system reacts to one or more fragrance ingredients that come into contact with the skin. This type of reaction is called allergic contact dermatitis. Unlike seasonal allergies, food allergies, or pet allergies, fragrance allergy usually does not cause immediate sneezing, wheezing, or hives. Instead, symptoms often appear hours to days after exposure. Fragrance allergy can be frustrating because fragrance ingredients are common in both scented and “unscented” products. Some products labeled as unscented may still contain masking fragrances used to cover the smell of other ingredients.

Common Fragrance Allergy Triggers

Fragrance ingredients may be found in many personal care, household, and workplace products. Common sources include:
  • Perfume and cologne
  • Body sprays
  • Lotions and moisturizers
  • Facial creams and anti-aging products
  • Sunscreen
  • Shampoo and conditioner
  • Soap and body wash
  • Deodorant
  • Makeup and cosmetics
  • Shaving products
  • Laundry detergent and fabric softener
  • Cleaning products
  • Air fresheners
  • Essential oils
  • Candles and scented home products
  • Hand sanitizer
  • Baby wipes and personal wipes
Because fragrance ingredients are used in so many products, it can be difficult to identify the cause of a rash without proper testing.

Fragrance Allergy Symptoms

Fragrance allergy symptoms usually affect the skin where the fragrance-containing product touches the body. Symptoms may include:
  • Itching
  • Redness
  • Dry or scaly skin
  • Burning or stinging
  • Rash
  • Swelling
  • Bumps or small blisters
  • Cracked or irritated skin
  • Skin that worsens after using certain products
Fragrance allergy commonly affects the face, eyelids, neck, hands, underarms, lips, and areas where lotions, cosmetics, deodorants, or perfumes are applied. Some people also develop dermatitis in areas that are touched indirectly, such as the eyelids after fragrance exposure from nail products, hair products, or hand creams.
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in St. Louis, Missouri

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Girl with fragrance allergy reaction rash near neck

Fragrance Allergy vs. Fragrance Sensitivity

Fragrance allergy and fragrance sensitivity are not always the same. A fragrance allergy is an immune reaction that causes allergic contact dermatitis. This reaction is often delayed and may take one or more days to appear after exposure. A fragrance sensitivity may cause irritation, burning, headache, nausea, coughing, or discomfort around strong smells, but it may not involve an allergic skin reaction. Some patients experience both. For example, a scented lotion may cause a skin rash, while a strong perfume may also cause headache or throat irritation. An allergist can help determine whether your symptoms are more consistent with allergic contact dermatitis, irritation, or another condition.

Where Fragrance Allergy Rash Can Appear

Fragrance allergy rash can occur anywhere fragrance ingredients touch the skin. Common patterns include:

Face and Eyelids

Facial and eyelid dermatitis may come from moisturizers, cosmetics, sunscreen, hair products, fragrance sprays, or products transferred from the hands. Eyelid skin is thin and sensitive, so reactions may show up there even when the original exposure happened elsewhere.

Neck

The neck is a common location for reactions to perfume, cologne, hair products, shaving products, and scented lotions.

Hands

Hand dermatitis may be caused by scented soaps, sanitizers, lotions, cleaning products, gloves, or workplace exposures.

Underarms

Underarm rash may be related to deodorant, antiperspirant, shaving products, body sprays, or laundry products.

Lips and Around the Mouth

Lip irritation may be related to flavored or fragranced lip balm, toothpaste, mouthwash, cosmetics, or skincare products.

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in St. Louis, Missouri

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Zoomed in picture of fragrancy allergy rash on the skin

How Fragrance Allergy Is Diagnosed

Fragrance allergy is usually diagnosed with patch testing. Patch testing is different from skin prick testing. Skin prick testing is often used for environmental allergies, such as pollen, dust mites, mold, and pet allergies. Patch testing is used to evaluate delayed skin reactions caused by substances that touch the skin. During patch testing, small amounts of potential allergens are placed on the skin, usually on the back, and left in place for a period of time. The skin is then checked for delayed reactions. Patch testing can help identify whether fragrance ingredients, preservatives, metals, rubber chemicals, medications, or other substances are contributing to the rash. This matches how your site already explains patch testing as a tool for allergic contact dermatitis rather than food allergy.

What To Bring To Your Appointment

If you suspect fragrance allergy, it can help to bring or list the products you use regularly, especially products that touch the irritated area. Helpful items include:
  • Lotions and moisturizers
  • Facial products
  • Makeup
  • Sunscreen
  • Shampoo and conditioner
  • Deodorant
  • Perfume or cologne
  • Soap and body wash
  • Laundry detergent
  • Cleaning products
  • Hand sanitizer
  • Lip balm
  • Toothpaste or mouthwash
  • Any product that seems to trigger symptoms
Knowing which products you use can help guide the evaluation and make allergy avoidance more practical.
See a Skin Allergy Doctor

in St. Louis, Missouri

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Skin patch testing to diagnose fragrance allergy

Fragrance Allergy Treatment

The most important treatment for fragrance allergy is identifying and avoiding the specific ingredient or product causing the reaction. Once a fragrance allergy is confirmed, your allergist can help you understand which products to avoid and how to choose safer alternatives. Treatment may include:
  • Avoiding fragrance-containing products
  • Switching to fragrance-free personal care products
  • Reviewing ingredient labels
  • Using gentle skin care products
  • Treating active inflammation with appropriate medications
  • Avoiding repeated exposure to known triggers
  • Creating a practical plan for work, home, and travel
In some cases, topical medications may be recommended to calm the rash while the skin heals. If symptoms keep returning, additional evaluation may be needed to look for other causes, such as preservatives, metals, cosmetics, rubber chemicals, or medications.

Fragrance-Free vs. Unscented Products

When shopping for products, the wording matters. Fragrance-free generally means that no fragrance ingredients were added to the product. Unscented means the product may not have a noticeable smell, but it can still contain masking fragrance ingredients. For patients with fragrance allergy, fragrance-free products are usually a better choice than unscented products. However, ingredient labels can be confusing, and some patients may react to other ingredients as well. Patch testing can help provide more specific guidance.

When To See An Allergist

You may benefit from seeing an allergist if:
  • Your rash keeps coming back
  • Your skin worsens after using scented products
  • You have eyelid, facial, hand, lip, or underarm dermatitis
  • You have tried changing products but still have symptoms
  • You are unsure whether your rash is allergy, irritation, eczema, or another condition
  • You need help identifying safe products
  • You want to know whether patch testing may help
Persistent rashes can have several causes. An allergist can help determine whether fragrance allergy, contact dermatitis, eczema, or another condition is contributing to your symptoms.

See a Fragrance Allergy Specialist

If you think fragrance may be causing your rash, schedule a visit with Dr. Sonia Cajigal. Fragrance allergy can be difficult to identify on your own because fragrance ingredients are found in many everyday products. With the right evaluation and testing, you can better understand your triggers and find products that are less likely to irritate your skin.

See a Skin Allergy Doctor

in St. Louis, Missouri

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References

[1] American College of Allergy, Asthma & Immunology: https://acaai.org/ [2] Asthma and Allergy Foundation of America: https://www.aafa.org/
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Visit Allergist Dr. Sonia Cajigal of St. Louis Family Allergy in St. Louis, Missouri

Skin Allergy Doctor
Dr. Sonia Cajigal

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"Dr. Cajigal was friendly, professional, and informative. She took the time to explain the tests and what was going on with my allergies. She is so knowledgeable and really cared about how I was feeling. I would highly recommend this practice if you suffer from allergies and asthma."

- Sue D, July 2020

“Dr Cajigal is a great listener. She trusts her patients instead of treating them as if they are not the experts of their own bodies. I really appreciate that (many doctors do not have that quality). She also immediately treats the symptoms instead of waiting to see if things clear. I use her for my children and myself. We have never left her office feeling as if it was a waste of time.”

– Stephanie, August 2020

"Great Allergist!"

- Ann H, December 2018

"She is the best."

- Stephen W, June 2020

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