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The iconic Instant Radiance Duo to welcome spring with a radiant complexion.
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A fresh, radiant complexion — the Hydration & Radiance Duo, a spring essential.

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Allergies and antihistamines

Skin allergies are reactions of the skin to substances known as allergens, which can cause itching, redness or spots. Learn how to identify the causes and choose appropriate care to prevent and relieve these reactions.
Types de boutons allergies alimentaires
What types of spots can food allergies cause?
Read
Symptômes cutanés allergie alimentaire
5 min of readingFood Allergy: What are the symptoms on the skin?
Différences boutons d'allergie et éruptions cutanées.
8 min of readingHow to distinguish allergy spots from other skin eruptions?
Explications allergies dans le cou
5 min of readingWhy do allergic reactions primarily affect the neck?
Causes démangeaisons allergie de la peau
4 min of readingSkin allergies: what are the causes of itching?
FAQ about allergies and antihistamines

How does a skin allergy manifest itself?

The symptoms of an allergy include itching, redness, skin rashes and sometimes blisters.

What are the most common cosmetic allergens?

Perfumes, essential oils, preservatives and metals are among the allergens most commonly found in cosmetic products.

What is the difference between a skin allergy and irritation?

A skin allergy involves an immune response, whereas irritation is a non-allergic reaction of the skin to irritating substances.

Can a hypoallergenic product cause a skin allergy?

Yes, even though hypoallergenic products are formulated to reduce the risk of skin allergy, it remains possible.

Are cosmetic allergies hereditary?

Yes, there is often a genetic component in skin allergies. Indeed, these are frequently caused by a hypersensitivity of the immune system.

What are the different types of antihistamines?

The main antihistamines used are H1 antihistamines for allergies and H2 antihistamines for gastric disorders, but H3 and H4 antihistamines also exist.

What are the most commonly used antihistamines?

Loratadine, cetirizine and fexofenadine are among the second-generation antihistamines most commonly used.

Do antihistamines cause drowsiness?

The antihistamines of the first generation, such as diphenhydramine, can cause drowsiness, but this side effect is very rare with second‑generation agents.

Can antihistamines be taken without a prescription?

Certain antihistamines are available over the counter, but it is preferable to seek advice from a doctor or pharmacist.

Can antihistamines be used during pregnancy?

It depends on the specific antihistamines, but some can be used by pregnant women. The key point is to consult your doctor beforehand.

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