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Facial redness: causes and effective solutions
6 min. read
Why does the face blush?
In rosacea, if you look at the skin under a microscope, you'll notice it's very edematous, the epidermal cells are disjointed, and the dermal blood vessels are irregular and dilated.
Is there a link between rosacea and the gut ?
Red skin discoloration is associated with the dilation of very fine, very red, and sometimes even purplish blood vessels, defining couperose. They are visible just beneath the skin's surface and doctors refer to them as telangiectasias. This form is frequently accompanied by hot flashes.
The redness is accompanied by exacerbated skin sensitivity, making cosmetic application difficult.
The main causes of redness
Ingesting hot or spicy foods, physical exertion, sun exposure, or alcohol consumption are known triggers for rosacea patients, as they cause flushing.
Temporary redness or rosacea: how to differentiate them?
Erythrosis: temporary redness of the cheeks that occurs in very evocative circumstances such as ingesting hot or spicy foods, exertion, sun exposure, or alcohol consumption. Over time, the redness becomes permanent, although blood vessels are not yet visible; this is a precursor stage of rosacea.
Rosacea can take three forms, which are not necessarily sequential in time, nor a consequence of one another. The vascular form, the papulopustular form, and the hypertrophic form with its ultimate stage: rhinophyma.
The vascular form or couperose
This is, by far, the most frequent form. This vascular anomaly is characterized by a more or less exacerbated permanent redness: this is the most characteristic element of rosacea, it is accompanied by a burning sensation on the face, the affected area is mainly concentrated in the center of the face, sparing the area around the eyes and mouth. A network of dilated blood vessels (couperose with telangiectasias) is observed.
The papulopustular form
In this case, the appearance of redness takes the form of papules and/or pustules that resemble acne lesions.
Papules are red, firm, and sometimes painful skin elevations measuring one to four millimeters. They are surrounded by an inflammatory halo and can appear spontaneously on a background of redness in the center of the face.
Phymatous form
In an advanced stage, infiltrated red plaques can be seen. Rhinophyma, granulomatous hypertrophy of the nose, which is rarer, almost exclusively affects older men.
Rosacea: when redness becomes chronic

Aggravating factors to avoid
It is important to be aware of triggers such as sun, alcohol, or spices.
Also, hormonal variations such as pregnancy and menopause. Certain medications, particularly corticosteroids, can also worsen symptoms.
It is important to consider triggers such as heat or cold, exercise, UV rays, spicy foods, and alcohol. In the case of rosacea, these factors lead to the release of vasoactive neuropeptides relayed by sensory nerves, perpetuating the dysregulation that causes symptoms.
How to reduce redness and soothe the skin?
The adapted skincare routine recommended by our dermatologist
Cleansing should be gentle, non-irritating, to regulate skin flora.
The Mango & Avocado Soap, rich in donkey milk, will be suitable. I then recommend rinsing with thermal water to eliminate chlorine and lime from tap water.
Hydration adapted to the skin type, often dry and sensitive, or combination skin cream if hyperseborrhea is associated. Sensitive skin and redness: Which cream should I choose for my sensitive skin ?
Common mistakes that worsen redness
Facial redness, whether temporary or persistent, can be exacerbated by inappropriate actions in your skincare routine. Overly aggressive cleansing, harsh products, or poorly rinsed makeup removal can weaken the skin barrier and lead to increased skin reactivity, especially in sensitive skin or reactive skin.
Sun exposure without adequate sun protection, particularly during peak radiation or after a sunburn, causes blood vessel dilation and increases blood flow to the skin, promoting the appearance of skin redness or even permanent redness.
Emotional reactions (stress, heat, embarrassment) or certain foods (alcohol, spicy dishes) can trigger sudden facial erythema. Finally, allergic reactions to certain cosmetic products, perfumes, or essential oils (such as lavender oil) are common in hypersensitive skin and can cause inflammatory flare-ups.
Effective active ingredients against redness and rosacea
To care for skin prone to redness, it is essential to adopt a gentle, protective, and adapted beauty routine, combining natural and dermatologically recognized active ingredients to soothe skin reactivity and strengthen the skin barrier.
Soothing actives: niacinamide, centella asiatica, calendula
Niacinamide (vitamin B3) calms inflammatory flare-ups, improves cutaneous microcirculation, and strengthens the tolerance of sensitive skin. It acts gently on facial redness related to rosacea or imbalances in the venous system.
Centella asiatica, an excellent repairing plant, helps soothe acne rosacea and irritations. Calendula, rich in natural anti-inflammatory active ingredients, calms skin redness and is particularly suitable for hypersensitive skin.
Finally, aloe vera, known for its moisturizing and anti-redness properties, provides immediate and long-lasting comfort, while rebalancing skin overheated by UV rays or sunlight.
Vasoconstrictive and anti-inflammatory active ingredients
To reduce persistent redness and improve cutaneous microcirculation, certain plant extracts such as ruscus, ginkgo biloba, or licorice help constrict dilated blood vessels. These active ingredients contribute to reducing the intensity of facial redness, particularly in cases of acne rosacea or atopic dermatitis.
Ingredients rich in polyphenols, such as green tea or red vine, act on inflammatory flare-ups and protect the skin from environmental aggressions, such as UV rays.
Azelaic acid, well-known in dermatology, is an active ingredient that is both antibacterial, anti-inflammatory, and depigmenting, recommended for skincare in cases of persistent redness or acne breakouts associated with sensitive skin.
Ingredients to avoid to prevent worsening redness
Skin prone to redness requires special attention. Certain ingredients found in conventional cosmetic products can worsen symptoms:
- Synthetic fragrances and powerful essential oils (such as lavender oil)
- Drying alcohols and harsh surfactants
- Mechanical or high-concentration acid exfoliants
- Poorly tolerated chemical UV filters
It is essential to opt for a personalized routine, gentle and formulated without irritants, with a moisturizing cream adapted to sensitive skin and effective sun protection.
What treatments exist for persistent redness?
When facial redness becomes chronic or acne rosacea develops, specific treatments can complement your skincare routine. Dermatological follow-up is recommended to adapt the management.
Specific dermatological care and creams
Some treatments are specifically formulated for reactive skin: they incorporate anti-redness active ingredients such as niacinamide, azelaic acid, or soothing plant extracts. These dermatological products help control inflammatory flare-ups, reduce signs of rosacea, and calm burning sensations.
Topical treatments, available by prescription, are also used to relieve symptoms related to atopic dermatitis, contact eczema, or permanent redness.
Discover the best cream for sensitive skin formulated by our dermatologist and composed of ultra-powerful active ingredients derived from biotechnology.
Medical treatments: laser, IPL, and dermatological prescriptions
Medical treatments can target the blood vessels responsible for persistent redness. Vascular lasers or intense pulsed light (IPL) are used to reduce telangiectasias (visible small blood vessels) and improve skin tone uniformity.
The LED lamp, for its part, can soothe inflammatory flare-ups by acting on the deep layers of the skin, while promoting cell regeneration.
Finally, depending on the type of skin redness (such as facial erythema or papulopustular rosacea), a personalized medical treatment may be offered, including prescription creams or oral antibiotics.
TO DISCOVER
Written by Dr. Sylvie Peres, dermatologist
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