April 2021 in “Journal of Investigative Dermatology” People with atopic dermatitis have more CD4+ T cells that respond to a certain bacterial lipid, which may play a role in the skin condition's inflammation.
May 2017 in “Journal of The American Academy of Dermatology” More people are becoming allergic to natural products like propolis and marigold, especially women.
8 citations
,
September 2004 in “Contact dermatitis” Avoiding dyed wigs and clothing improved severe allergic reactions in a woman treated with diphencyprone.
3 citations
,
May 2018 in “European Journal of Dermatology” Photodynamic therapy may not work for erythroplasia of Queyrat and could lead to invasive squamous cell carcinoma.
9 citations
,
August 2017 in “Photochemistry and Photobiology” Red light at 627 nm can safely trigger IL-4 release in skin cells, potentially helping treat inflammatory skin conditions.
February 2026 in “Indian Journal of Dermatology” Adults are more reactive to allergens than older adults, who are more sensitive to medication-related allergens.
5 citations
,
July 2022 in “PubMed” Hair dyes, shampoos, and conditioners often cause scalp allergies due to common allergens like p-phenylenediamine and nickel.
1 citations
,
February 2023 in “IntechOpen eBooks” Targeted photodynamic therapy is a promising method for precise disease treatment and diagnosis.
114 citations
,
April 2004 in “International Journal of Dermatology” Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.
16 citations
,
January 2001 in “Clinical and Experimental Dermatology” Photodynamic therapy was effective in treating multiple scalp basal cell carcinomas with minimal side effects and good cosmetic results.
April 2023 in “Journal of Investigative Dermatology” Sunlight simulation causes skin inflammation, with different skin types reacting at different levels of exposure.
16 citations
,
April 2000 in “Contact dermatitis” A man developed severe skin reactions after using a treatment for hair loss.
9 citations
,
June 2017 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Local inflammation worsens autoimmune skin conditions by increasing antibody buildup.
6 citations
,
December 2015 in “Journal of Dermatological Case Reports” Intradermal testing can better detect corticosteroid allergies than patch testing.
31 citations
,
February 1999 in “Dermatologic surgery” Sun exposure after laser hair removal can cause skin darkening, which is hard to treat and requires avoiding UV light.
1 citations
,
June 2019 in “Journal of Cutaneous Immunology and Allergy” Squaric acid dibutylester can cause severe skin reactions in people with allergies.
47 citations
,
June 2015 in “Contact Dermatitis” A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.
3 citations
,
July 2015 in “Australasian Journal of Dermatology” A man developed an allergic skin reaction to a rosacea treatment and improved after stopping the medication and receiving allergy-specific care.
18 citations
,
March 2009 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
Atopic dermatitis affects the appearance of skin reactions, making certain features more common and improving diagnostic accuracy with dermoscopy.
18 citations
,
April 2010 in “Archives of Dermatology” Psoriasis or contact dermatitis can override alopecia areata, allowing hair growth.
July 2025 in “Journal of Investigative Dermatology” Monocyte-derived dendritic cells play a key role in UVB-induced skin sensitivity and inflammation.
3 citations
,
June 2024 in “Allergy”
April 2016 in “Journal of The American Academy of Dermatology” Daylight photodynamic therapy is effective and well-tolerated for treating actinic keratoses with minimal side effects.
9 citations
,
July 2012 in “Dermatitis” Hair dye with para-phenylenediamine can cause skin depigmentation.
March 2007 in “The FASEB Journal” Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.
7 citations
,
July 1990 in “Journal of the American Academy of Dermatology” A woman with bullous pemphigoid had an allergic reaction to azathioprine, but got better with alternative treatments.
June 2011 in “International Journal of Dermatology” A man's red tattoo caused a skin reaction and hair loss in his beard, which improved after treatment.
October 2024 in “Journal of Cutaneous Immunology and Allergy” Steroid injections improved symptoms and hair regrowth in a woman with a reaction to permanent makeup.
3 citations
,
April 2019 in “Journal of Mind and Medical Sciences” Photodynamic therapy shows promise for oral lichen planus but needs more research for consistent results.