1 citations
,
September 2024 in “International Journal of Cosmetic Science” Bleaching hair increases pore size and changes pore structure.
January 2022 in “OPAL (Open@LaTrobe) (La Trobe University)” Nanoparticles in sunscreen are generally safe as they stay on the skin's surface.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
49 citations
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June 2019 in “eLife” Ancient DNA blocks are still present in human genomes, possibly due to advantages they provide.
6 citations
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June 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Humans have ancient DNA from Neanderthals and other lineages in their chromosomes, affecting traits and evolution.
65 citations
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May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
34 citations
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January 2016 in “Analytical Chemistry” A new method can quickly and accurately detect drugs in hair.
26 citations
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April 2011 in “Skin Research and Technology” In vivo confocal scanning laser microscopy is an effective, non-invasive way to study and measure new hair growth after skin injury in mice.
26 citations
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December 2009 in “Laser Physics” Caffeine from shampoo penetrates hair follicles quickly and stays for at least 24 hours.
24 citations
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February 2007 in “Laser Physics Letters” Caffeine shampoo penetrates hair follicles deeply and stays for up to 48 hours.
21 citations
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December 2016 in “European journal of pharmaceutics and biopharmaceutics” Nano-sized lipid particles increase dexamethasone's skin penetration and create a reservoir in the skin layers.
17 citations
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June 1990 in “PubMed” Hair varies in size and features depending on body region.
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
12 citations
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January 1994 in “Dermatology” The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.
11 citations
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January 2000 in “Journal of cosmetic science” Hydrolyzed wheat proteins penetrate all hair types effectively.
7 citations
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January 2005 in “Dermatology” A new method for studying hair follicles is easier and more precise, useful for hair loss and cancer treatment research.
5 citations
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November 2005 Confocal Laser Scanning Microscopy is effective for tracking compounds in the skin.
5 citations
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May 2001 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” The DWLSM provides detailed imaging of hair shafts and follicles with high accuracy.
4 citations
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March 2013 in “InTech eBooks” Confocal Laser Scanning Microscopy (CLSM) is a useful tool for studying how drugs interact with skin and diagnosing skin disorders, despite some limitations.
3 citations
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October 1994 in “Medical Molecular Morphology” The lower part of rat vibrissa hair gets more blood and is well-protected for growth.
2 citations
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November 2025 in “Pharmaceutics” Moderately lipophilic dyes penetrate skin deeply, while highly hydrophobic or lipophilic dyes stay on the surface.
1 citations
,
December 2022 in “Pharmaceutics” Finasteride-loaded microemulsions can effectively enhance skin delivery for treating hair loss.
January 2017 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Sunlight and chemical treatments change hair's internal structure differently, needing specific care.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
19 citations
,
February 2013 in “Journal of Investigative Dermatology” Touch domes in human skin are complex sensory structures not directly linked to hair.
17 citations
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February 1987 in “Journal of the American Academy of Dermatology” The hair cuticle acts as a barrier against fungal infection, which occurs only deep within the hair follicle.
July 2024 in “Journal of Investigative Dermatology”
August 2019 in “Journal of Investigative Dermatology” The study found that tight junctions reach the top layer of the skin's stratum granulosum, not just the second top layer as previously thought.
5 citations
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September 2023 in “Molecules” These methods help understand cell structures and reactions.