106 citations
,
April 1986 in “British Journal of Dermatology” Dermal papilla cells from human hair follicles form unique structures and don't live as long as other skin cells in lab conditions.
43 citations
,
February 2019 in “International immunology” Special immune cells called Regulatory T cells help control skin inflammation and repair in various skin diseases.
34 citations
,
December 2007 in “Human Reproduction Update” In vitro bioassays are better than traditional methods for measuring androgen activity but aren't ready for routine use yet.
24 citations
,
January 1989 Human papilla cells from hair follicles show unique growth behaviors but don't induce hair growth in vitro.
6 citations
,
August 2011 in “Anais Brasileiros de Dermatologia” Vellus hair cysts can cause acne-like bumps that don't respond to treatment.
3 citations
,
September 2020 in “Bladder cancer” 5α-reductase inhibitors don't stop bladder cancer from developing or getting worse.
1 citations
,
October 2023 in “International Journal of Women s Health” Wearing a hijab doesn't affect scalp health if worn dry and without existing scalp issues.
1 citations
,
August 2018 in “Anais Brasileiros de Dermatologia” Facial threading reduces skin roughness and improves appearance but doesn't affect hydration or melanin.
1 citations
,
June 2016 in “FEBS open bio” Fish oil increased cell growth and macrophages in the skin but didn't affect COX-2 expression.
1 citations
,
April 2019 in “Journal of Investigative Dermatology” VB1953 gel significantly reduced acne and resistant bacteria in patients who didn't respond to clindamycin.
May 2026 in “Bioscientia Medicina Journal of Biomedicine and Translational Research” Allium cepa extract restores skin health but doesn't affect hair growth.
January 2025 in “Kuwait Journal of Science” KRT71 gene variants may influence camel hair shape but don't fully explain it.
May 2024 in “Psychotherapie Forum” Behavioral and hypnotherapy improved self-esteem but didn't regrow hair in Alopecia areata.
June 2023 in “Deleted Journal” The document lists research on Pemetrexed and Cisplatin for lung cancer but doesn't give a final conclusion.
September 2006 in “Baghdad Science Journal” Pregnant and breastfeeding women may experience hair loss if they don't get enough essential vitamins and minerals.
January 2026 in “Dermatologic Therapy” Higher RBP4 levels are linked to severe alopecia areata, but genetic variant rs3758539 doesn't affect baricitinib response.
82 citations
,
April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
31 citations
,
September 2003 in “International Journal of Dermatology” Vitamin D-dependent rickets Type II causes bone problems and hair loss, and doesn't improve with Vitamin D treatment.
May 2023 in “GLOBAL JOURNAL FOR RESEARCH ANALYSIS” Early onset hair loss is linked to low vitamin D, but severity isn't related to vitamin D levels.
124 citations
,
January 1993 in “The Prostate” Finasteride effectively inhibits 5α reductase, while plant extracts like Permixon and Bazoton don't show significant results.
60 citations
,
September 2004 in “Pediatric Dermatology” A girl developed vitiligo and psoriasis after hepatitis B treatment, and stopping the treatment didn't help.
19 citations
,
April 2015 in “European Journal of Pharmacology” Dihydrotestosterone (DHT) doesn't affect rat skin cell growth, but it does change cell cycle, protein levels, and other cell functions, potentially shortening hair growth cycle.
16 citations
,
April 2018 in “Animal Genetics” Researchers found two genes that may explain why some Casertana pigs don't have hair.
9 citations
,
June 2019 in “Archives of Dermatological Research” Both topical calcipotriol and narrowband UVB improved alopecia, but combining them didn't enhance the effect on hair loss severity, despite higher vitamin D3 levels.
7 citations
,
February 1982 in “Australian Journal of Biological Sciences” Epithelial cells from young rat hair follicles grow and form aggregates in culture, but don't produce hair keratin proteins.
3 citations
,
May 2020 in “Actas Dermo-Sifiliográficas” PRP injections increased hair density in men with hair loss but didn't work for everyone and more research is needed.
2 citations
,
March 2024 in “Pharmaceutics” The placebo microneedle stamp didn't penetrate skin and caused less pain, but blinding was only effective for those with low skin sensitivity.
2 citations
,
June 2020 in “Journal of Investigative Dermatology” 3D imaging of skin biopsies offers better accuracy but is time-consuming and can't clear melanin.
1 citations
,
June 2024 in “International Journal of Clinical & Experimental Dermatology” Surgery can help treat vitiligo when other treatments don't work.
1 citations
,
September 2019 in “Journal of Investigative Dermatology” Human hair matrix cells and dermal papilla fibroblasts can form early hair follicle structures but don't produce hair shafts yet.