January 1984 in “Pediatric Dermatology” The document concludes that some dermatology books are useful for their photos or specific topics, while others have limitations like poor quality images or content.
June 2025 in “Canadian dermatology today.” Alopecia areata deeply affects self-esteem and identity, needing both medical and emotional support.
32 citations
,
February 2016 in “The American journal of dermatopathology/American journal of dermatopathology” Extramammary Paget disease can spread deeply into tissues, reaching up to 3.6 mm.
24 citations
,
February 2007 in “Laser Physics Letters” Caffeine shampoo penetrates hair follicles deeply and stays for up to 48 hours.
12 citations
,
June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
2 citations
,
November 2025 in “Pharmaceutics” Moderately lipophilic dyes penetrate skin deeply, while highly hydrophobic or lipophilic dyes stay on the surface.
105 citations
,
April 2017 in “International Journal of Nanomedicine” Ethosomes are effective for delivering drugs through the skin by penetrating deeply and targeting hair follicles.
84 citations
,
April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
16 citations
,
August 2014 in “Colloids and surfaces. B, Biointerfaces” Lipid-coated silica nanoparticles penetrate human skin more deeply than bare silica nanoparticles.
The new skin cream with zinc oxide nanoparticles is stable, spreads well, and doesn't deeply penetrate the skin.
2 citations
,
July 2001 in “Dermatologic Surgery” Trichoblastic carcinoma may be a distinct type of skin cancer different from basal cell carcinoma.
119 citations
,
December 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Nanoparticles can deliver vaccines through hair follicles, triggering immune responses and providing protection.
323 citations
,
April 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” Only 40 nm nanoparticles can enter skin cells effectively for potential vaccine delivery.
39 citations
,
January 2013 in “Skin pharmacology and physiology” Nanoparticles show promise for drug delivery through hair follicles but not through healthy skin.
26 citations
,
May 2012 in “Pharmaceutical Development and Technology” PEVs effectively deliver minoxidil through skin.
6 citations
,
January 1997 in “Medical Mycology” The fungus Piedraia hortae damages hair by slowly breaking down its layers, leading to long-lasting infection.
122 citations
,
April 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.
94 citations
,
September 2014 in “Therapeutic Delivery” Nanoparticles can improve skin treatments by better targeting hair follicles, but more research is needed for advancement.
77 citations
,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
63 citations
,
February 2010 in “Journal of Neurophysiology” Microstimulation of certain facial and mouth nerves can evoke specific sensations, while deeper nerves may require multiple stimulations to affect perception.
21 citations
,
November 2020 in “European Journal of Pharmaceutics and Biopharmaceutics” Low-frequency skin massage helps nanoparticles penetrate hair follicles better.
21 citations
,
October 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.
14 citations
,
August 2021 in “Journal of Pharmaceutical Sciences” Cholesterol- and phospholipid-free niosomes improve deep skin drug delivery.
9 citations
,
June 2019 in “JAAD case reports” Laser hair removal can help treat acne keloidalis nuchae, but results vary and a standard scoring system is needed.
7 citations
,
September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
4 citations
,
August 2023 in “Varna Medical Forum” TECAR therapy helps with pain relief, reduces inflammation, relaxes muscles, heals tissues, and is safe and effective for many conditions.
4 citations
,
October 2008 in “International Journal of Dermatology” A toddler's chronic finger ulcer was successfully treated after removing a hair causing hair-thread tourniquet syndrome.
2 citations
,
November 2017 in “Journal of Cosmetic and Laser Therapy” JetPeel-assisted minoxidil improves hair density and thickness more than minoxidil alone.
1 citations
,
January 2018 in “Open Scholarship Institutional Repository (Washington University in St. Louis)” Medieval authors used hair in literature to challenge identity and societal norms.
1 citations
,
October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.