Conditions & Concerns / Redness / Facial Redness

Redness / Facial Redness

Non-specific facial redness. May have multiple causes including barrier damage, rosacea-prone skin, or reactive skin.

Understanding evidence levels
In VitroCell or tissue culture experiments — no human or animal data.
Ex VivoSkin model or tissue experiments — not in living humans.
Animal StudyResults in animals only — may or may not translate to humans.
Small Human StudySmall or uncontrolled human study — preliminary results.
Controlled TrialControlled human study (often randomized) — stronger evidence.
Systematic ReviewSummary and analysis of existing published studies.
Meta-AnalysisStatistical pooling of results from multiple studies.
GuidelineProfessional guidance or consensus statement from a dermatology society.

Research findings(574)

Ex VivoSkin model or tissue experiments. Not in living humans.Published: May 16, 2026

Researchers Develop New Antifungal Gel for Skin Infections

Scientists created a new gel to treat fungal skin infections. The gel contains a medication called quiniodochlor, which was loaded into tiny particles to help it penetrate the skin more effectively. In lab experiments, the gel showed promise in killing fungal cells and reducing skin irritation.

Why it matters: This research may lead to new treatments for fungal skin infections, which can be difficult to treat and affect people's quality of life.

This study was conducted in a lab and involved animal studies, so its findings may not directly translate to human skin. Further research is needed to confirm these results.

PubMed
Small Human StudySmall or uncontrolled human study. Results are preliminary.Published: May 1, 2026

Nivolumab May Cause Skin Reaction in Some Patients

Researchers reported a case of skin reaction, specifically folliculitis, in a patient taking nivolumab, a cancer treatment. The patient developed pustules and redness on their legs. Treatment with topical steroids resolved the issue. This is a single case study, so it's unclear how common this reaction might be.

Why it matters: This finding may help dermatologists understand potential skin side effects of nivolumab and monitor patients for similar reactions.

This is a single case study, so the findings may not be representative of all patients taking nivolumab.

PubMed
Small Human StudySmall or uncontrolled human study. Results are preliminary.Published: May 1, 2026

Stellate Ganglion Block May Help Some People with Recurrent Head-and-Neck Psoriasis

Researchers studied a woman with a 6-year history of psoriasis on her head and neck. She tried other treatments but didn't get better. After getting a stellate ganglion block, a procedure that numbs the nerves, her symptoms improved and her skin cleared up. This was a one-time case study, so it's not clear if this treatment will work for others.

Why it matters: This study may help us understand new ways to treat psoriasis, a chronic skin condition that can be difficult to manage.

This was a single case study, so the results may not be generalizable to others. The study only followed the patient for 3 months, so it's not clear if the treatment will last long-term.

PubMed
In VitroCell or tissue culture experiments. No human or animal data.Azelaic AcidPublished: April 30, 2026

New Nanohybrid Gel May Help Manage Rosacea Symptoms

Researchers developed a new gel containing azelaic acid, a common treatment for rosacea, to see if it could be delivered more effectively to the skin. They created nanoparticles that encapsulated the azelaic acid and tested them in lab experiments. The results showed that the nanoparticles allowed for deeper penetration of the treatment into the skin and released it more slowly over time.

Why it matters: This study may contribute to the development of more effective treatments for rosacea, a chronic skin condition that affects many people.

This study was conducted in lab experiments and has not been tested in humans. Further research is needed to confirm its effectiveness and safety in people with rosacea.

PubMed
Notable findingA finding from a controlled trial, systematic review, or meta-analysis with noteworthy results.Controlled TrialControlled human study, often randomized. Stronger evidence.Published: April 30, 2026

Combining microneedling with oral doxycycline may help treat rosacea symptoms

Researchers studied whether adding microneedling to oral doxycycline improves treatment outcomes for people with rosacea. They found that combining these two treatments may help reduce facial erythema, flushing, and burning sensations, and may also reduce the risk of rosacea relapse. However, more research is needed to confirm these findings.

Why it matters: This study may help skincare professionals better understand how to treat rosacea symptoms and improve patient outcomes.

This study was a small retrospective comparative cohort study with a sample size of 160 patients, and more research is needed to confirm these findings.

PubMed
Animal StudyResults in animals only. May or may not translate to humans.Published: April 30, 2026

Martynia annua L. Fruit Oil May Help Wound Healing

Researchers studied the effects of Martynia annua L. fruit oil on wound healing in rats. They found that the oil may improve wound healing compared to other treatments. However, more research is needed to confirm these findings.

Why it matters: This study may contribute to the development of new treatments for wound healing, which could be beneficial for people with skin injuries.

This study was conducted in rats and only tested wound healing in lab experiments. Further research is needed to confirm these findings in humans.

PubMed
Small Human StudySmall or uncontrolled human study. Results are preliminary.Published: April 28, 2026

Nanocarriers May Help Improve Psoriasis Treatment

Researchers studied the use of nanocarriers to deliver medications to psoriasis lesions. These tiny carriers can help medications penetrate the skin better and reduce side effects. A small study suggests that nanocarriers may improve treatment outcomes for psoriasis, but more research is needed.

Why it matters: Understanding how nanocarriers work may lead to new, more effective treatments for psoriasis.

This study was based on a small number of participants and more research is needed to confirm these findings. The study only looked at the potential benefits of nanocarriers in a controlled setting, and it's unclear how well these results would translate to real-world treatment.

PubMed
Animal StudyResults in animals only. May or may not translate to humans.Published: April 26, 2026

Astragalin May Help Protect Skin from UVB Damage

Researchers studied a natural compound called astragalin to see if it can help protect skin from damage caused by ultraviolet B (UVB) rays. In lab experiments and animal studies, astragalin appeared to reduce skin damage and inflammation. However, more research is needed to confirm these findings.

Why it matters: Understanding how to protect skin from UVB damage is important for preventing skin cancer and premature aging.

This study was conducted in lab experiments and animal models, which may not accurately reflect human skin responses. Further research is needed to confirm these findings in humans.

PubMed
Animal StudyResults in animals only. May or may not translate to humans.Published: April 23, 2026

Sympathetic Nerve Signals May Contribute to Psoriasis Inflammation

Researchers studied how sympathetic nerve signals affect psoriasis inflammation in mice and human skin cells. They found that these signals may contribute to inflammation by recruiting neutrophils, a type of immune cell. The study suggests that sympathetic nerve signals may play a role in psoriasis, but more research is needed to confirm this.

Why it matters: Understanding the role of sympathetic nerve signals in psoriasis may help researchers develop new treatments for this common skin condition.

This study was conducted in mice and human skin cells in a lab, and the findings may not apply to humans. Further research is needed to confirm these results and explore their relevance to human psoriasis.

PubMed
Small Human StudySmall or uncontrolled human study. Results are preliminary.Salicylic AcidPublished: April 21, 2026

Common Medications May Cause Skin Reactions to Sunlight

Researchers studied how 10 commonly prescribed medications affect human skin when exposed to sunlight. They found that some medications may cause skin redness and darkening, but the effects varied greatly between individuals. The study suggests that more standardised methods are needed to assess the impact of medications on skin.

Why it matters: This study may help us better understand how certain medications interact with sunlight and affect the skin, which could lead to improved skincare and sun protection strategies.

A small pilot study with 12 healthy volunteers, limited to a specific set of medications and skin types. The study's findings may not be generalisable to other populations or medications.

PubMed
Small Human StudySmall or uncontrolled human study. Results are preliminary.Published: April 20, 2026

Rare Skin Condition Mimics GVHD in Transplant Patient

Researchers studied a rare skin condition called eccrine squamous syringometaplasia (ESS) in a 3-year-old boy who had undergone a transplant. The condition caused a skin rash that looked like a different condition called acute cutaneous graft-versus-host disease (GVHD). A skin biopsy revealed that the rash was actually ESS, not GVHD. The rash went away with topical corticosteroids.

Why it matters: Understanding ESS can help doctors distinguish it from GVHD and avoid unnecessary treatment changes.

This case report is based on a single patient and does not provide a large sample size for comparison.

PubMed
Animal StudyResults in animals only. May or may not translate to humans.Published: April 15, 2026

Zerumbone from Ginger Plant May Help Soothe Atopic Dermatitis

Researchers studied zerumbone, a compound from the Zingiber zerumbet plant, to see if it could help with atopic dermatitis. They found that it may reduce inflammation and improve skin barrier function in lab experiments and animal studies. However, more research is needed to confirm these findings.

Why it matters: Understanding natural compounds that may help with atopic dermatitis could lead to new, more accessible treatment options.

This study was conducted in lab experiments and animal models, and more research is needed to confirm its findings in humans. The study's results may not translate directly to human skin conditions.

PubMed