April 2025 in “International Journal of Homoeopathic Sciences” Homeopathy helped regrow hair and improve emotional health in alopecia areata.
10 citations
,
August 2021 in “Cosmetics” The best shampoo formula used 1% high-weight hyaluronic acid, 10% acidic sophorolipid, and 1% salt for effective hair conditioning and cleansing without sulfates or silicones.
5 citations
,
January 1964 in “Naunyn-Schmiedeberg s Archives of Pharmacology” Iodine is absorbed by hair just below the skin surface.
1 citations
,
July 2025 in “JCI Insight” Hair follicle stem cells help maintain skin health by moving to and supporting the skin's surface layers.
Some dog skin mousse products with certain chemicals can prevent bacterial growth for up to 14 days, but effectiveness varies with hair length and product ingredients.
6 citations
,
January 2005 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The 16th-century mummy's hair was well-preserved due to a calcium surface coat.
24 citations
,
November 2009 in “Pharmaceutical Development and Technology” Transcutol P best increases Finasteride absorption for hair loss treatment.
4 citations
,
March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
January 2018 in “대한미용학회지” White hair is denser and more hydrophobic than black hair.
103 citations
,
September 2004 in “Clinics in dermatology” Blocked hair follicles cause acne, and studying tiny early acne spots helps understand its severity.
47 citations
,
November 2012 in “Pharmaceutical research” Surface-modified nanoparticles mainly use non-follicular pathways to enhance skin permeation of ibuprofen and could improve treatment for inflammatory skin diseases.
12 citations
,
January 2018 in “Biomaterials Science” Softer hydrogel surfaces help maintain hair growth-related functions in skin cells.
95 citations
,
January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
July 2023 in “Research Square (Research Square)” Skin's uneven surface and hair follicles affect its stress and strain but don't change its overall strength, and help prevent the skin from peeling apart.
52 citations
,
December 2000 in “Archives of Dermatological Research” Scalp skin barrier affects hair loss; personalized treatments needed.
7 citations
,
January 2007 in “Elsevier eBooks” Shampoos clean hair mainly with surfactants and have added ingredients for extra benefits.
January 2006 in “Chinese Journal of Dermatology” Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.
November 2004 in “Qucosa (Saxon State and University Library Dresden)” Active agents mainly stay on the hair surface after short washes.
60 citations
,
August 1969 in “British Journal of Dermatology” Germicides mostly stay on the skin's surface, but some penetrate deeper depending on the product used.
39 citations
,
November 2015 in “Nanomedicine” Improved Finasteride delivery for hair loss treatment.
August 2023 in “Skin Research and Technology” Measuring bald patch size can help grade hair loss severity, with photograph-based evaluation being more reliable.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
67 citations
,
April 2007 in “Journal der Deutschen Dermatologischen Gesellschaft” Shampoos are designed to clean and improve hair and scalp health, with specific ingredients for different hair types and conditions.
32 citations
,
April 2016 in “Aaps Pharmscitech” Nanostructured lipid carriers improve minoxidil delivery for hair loss treatment.
January 2003 in “Linchuang pifuke zazhi” Melanin granules can be expelled by exocytosis.
2 citations
,
June 2021 in “Notulae Botanicae Horti Agrobotanici Cluj-Napoca” More research is needed to understand how nutrients affect root hair growth.
4 citations
,
March 2024 in “Journal of Investigative Dermatology” SPRY1 deficiency in skin cells causes stem cells to move to the skin surface, leading to increased pigmentation.
1 citations
,
December 2022 in “Pharmaceutics” Finasteride-loaded microemulsions can effectively enhance skin delivery for treating hair loss.
1 citations
,
February 2003 UV radiation causes significant protein loss and color changes in hair, especially blond hair.
January 2022 in “OPAL (Open@LaTrobe) (La Trobe University)” Nanoparticles in sunscreen are generally safe as they stay on the skin's surface.