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Topic · Dermatology

Contact Dermatitis and Allergies

Contact Dermatitis and Allergies is a research topic within Dermatology. Science Explorer counts 32k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on skin sensitization and contact allergy research, particularly related to fragrance ingredients, occupational dermatitis, patch testing, allergic contact dermatitis, and the safety assessment of cosmetic products. It covers topics such as risk assessment, epidemiology, and toxicological endpoints in the context of skin sensitization.

  • Skin Sensitization
  • Contact Allergy
  • Fragrance Ingredients
  • Occupational Dermatitis
  • Patch Testing
  • Allergic Contact Dermatitis
  • Cosmetic Products
  • Risk Assessment
  • Epidemiology
  • Toxicological Endpoints
Research works
32k
fractional, since 1950
In the world top 10%
3.2k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-1%
the tick is no change
Largest producer
United States
36% of the 10 largest, 2022-now
Contact Dermatitis and Allergies

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Contact Dermatitis and Allergies research?

By volume, the United States and Germany publish the most (1k and 282 works in 2022-now).

By volume, 2022-now

  1. 1 United States 1k works
  2. 2 Germany 282 works
  3. 3 France 273 works
  4. 4 China 256 works
  5. 5 India 240 works
  6. 6 Japan 220 works
  7. 7 United Kingdom 203 works
  8. 8 Spain 158 works
  9. 9 Italy 129 works
  10. 10 Türkiye 99 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 36.0%Germany: 9.7%France: 9.4%China: 8.8%6 others listed: 36.1%36%largest
United States1,047 · 36.0%Germany282 · 9.7%France273 · 9.4%China256 · 8.8%6 others listed1,049 · 36.1%

Shares of the rows listed above, not of the whole node.

Which institutions lead Contact Dermatitis and Allergies research?

By volume in 2022-now, University of Copenhagen publishes the most Contact Dermatitis and Allergies research, followed by Lund University and University of Michigan.

By volume, 2022-now

  1. 1 University of CopenhagenDenmark 37 works
  2. 2 Lund UniversitySweden 37 works
  3. 3 University of MichiganUnited States 34 works
  4. 4 University of PennsylvaniaUnited States 34 works
  5. 5 Columbia UniversityUnited States 33 works
  6. 6 Universidade de São PauloBrazil 31 works
  7. 7 Oregon Health & Science UniversityUnited States 31 works
  8. 8 Research Institute for Fragrance MaterialsUnited States 31 works
  9. 9 University of ArizonaUnited States 30 works
  10. 10 University of WürzburgGermany 29 works

Who are the leading researchers in Contact Dermatitis and Allergies?

The most-cited researchers publishing on Contact Dermatitis and Allergies include Shizuo Akira, Matthias Egger and Gregory Y.H. Lip.

  1. 1 Shizuo Akira Japan 342k citations
  2. 2 Matthias Egger Switzerland 326k citations
  3. 3 Gregory Y.H. Lip United Kingdom 311k citations
  4. 4 Róbert Langer United States 303k citations
  5. 5 Amirhossein Sahebkar Iran 258k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Contact Dermatitis and Allergies?

The most cited paper in Contact Dermatitis and Allergies is "TFOS DEWS II Definition and Classification Report" (Jennifer P. Craig, Kelly Kinney Nichols, Esen K. Akpek et al., 2017), with 3,402 citations. Next come "Guidelines for the Diagnosis and Management of Food Allergy in the United States: Summary of the NIAID-Sponsored Expert Panel Report" (2,352) and "Solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) in cosmetic and dermatological preparations" (2,108).

Most cited papers
#PaperReleasedCitations
1 TFOS DEWS II Definition and Classification Report Jennifer P. Craig, Kelly Kinney Nichols, Esen K. Akpek et al. · The Ocular Surface Jul 2017 3,402
2 Guidelines for the Diagnosis and Management of Food Allergy in the United States: Summary of the NIAID-Sponsored Expert Panel Report Joshua A. Boyce et al. · Journal of Allergy and Clinical Immunology Open access Dec 2010 2,352
3 Solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) in cosmetic and dermatological preparations Rainer Helmut Müller, Matthias Radtke, S. A. Wissing · Advanced Drug Delivery Reviews Review Nov 2002 2,108
4 The skin: an indispensable barrier Ehrhardt Proksch, Johanna M. Brandner, Jens‐Michael Jensen · Experimental Dermatology 11 Nov 2008 2,022
5 Criteria for the Research Institute for Fragrance Materials, Inc. (RIFM) safety evaluation process for fragrance ingredients A.M. Api et al. · Food and Chemical Toxicology 12 Dec 2014 1,965
All 100 most cited papers, with filters and sorting

Where is Contact Dermatitis and Allergies research done?

The largest centres of Contact Dermatitis and Allergies research in 2022-now are New York (United States), Paris (France), Tokyo (Japan) and London (United Kingdom). Among places with at least 20 works in it, it is an unusually large share of all research in Woodcliff Lake, Hamamatsu and Osnabrück.

Largest cities, 2022-now

  1. 1 New YorkUnited States 72 works
  2. 2 ParisFrance 71 works
  3. 3 TokyoJapan 62 works
  4. 4 LondonUnited Kingdom 54 works
  5. 5 LundSweden 52 works
  6. 6 PhiladelphiaUnited States 49 works
  7. 7 CopenhagenDenmark 43 works
  8. 8 MadridSpain 43 works
  9. 9 São PauloBrazil 42 works
  10. 10 BeijingChina 41 works

Where it is the local speciality

  1. Woodcliff LakeUS · 30.7 works572×
  2. HamamatsuJP · 22.7 works39×
  3. OsnabrückDE · 22.5 works37×
  4. MonastirTN · 22.6 works28×
  5. WurzburgDE · 29.2 works18×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Contact Dermatitis and Allergies than the world average.

See Contact Dermatitis and Allergies on the map

Where is the best place to study Contact Dermatitis and Allergies?

Among universities, judged by research, University of Copenhagen, Harvard University and Lund University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 9.1%fractional works in this field (log) →share of work in the world top 10% →University of Copenh…Harvard UniversityLund UniversityColumbia University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1University of CopenhagenDenmark 89.730.0%10.3×37 -19.5%
2Harvard UniversityUnited States 64.815.6%2.3×28 -15.2%
3Lund UniversitySweden 62.54.5%17.0×37 -2.2%
4Columbia UniversityUnited States 57.42.0%7.8×33 +20.9%
5University of AntwerpBelgium 57.119.5%7.8×10 -12.0%
6University of MichiganUnited States 56.72.2%5.7×34 +32.9%
7University of PennsylvaniaUnited States 56.41.2%8.2×34 +10.8%
8Vanderbilt UniversityUnited States 55.411.3%9.6×27 -2.6%
9Oregon Health & Science UniversityUnited States 55.02.8%24.1×31 +17.4%
10University of WürzburgGermany 53.61.9%24.0×29 +13.7%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Contact Dermatitis and Allergies, country by country

Is Contact Dermatitis and Allergies research growing?

Output in 2022-2025 was 1% lower than in 2018-2021, peaking in 2020.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Contact Dermatitis and Allergies as a percentage of every work published that year, 0.018% in 2024.

still counting0.025%0.050%0.075%Contact Dermatitis and Allergies0.018% in 202519801990200020102020

Fractional works of Contact Dermatitis and Allergies over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Contact Dermatitis and Allergies10.1% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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