10 citations
,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
8 citations
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July 2012 in “Annals of biomedical engineering” Hair absorbs molecules differently based on their size, charge, and love for water, and less at higher pH; this can help make better hair products.
12 citations
,
October 1954 in “Textile Research Journal” Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.
3 citations
,
November 2017 in “International Journal of Cosmetic Science” Solute binding to hair keratin is mainly driven by hydrophobic interactions and changes with pH.
August 2022 in “International journal of membrane science and technology” Finasteride diffuses spontaneously through SDS micelles, suggesting they can replace living cell membranes.
24 citations
,
November 2009 in “Pharmaceutical Development and Technology” Transcutol P best increases Finasteride absorption for hair loss treatment.
19 citations
,
March 2011 in “Cutaneous and Ocular Toxicology” Some chemicals absorbed through the skin can cause serious health problems.
42 citations
,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
29 citations
,
June 2014 in “Drug delivery” The new formulation improved the skin absorption of the drug Thiocolchicoside.
8 citations
,
January 2021 in “Pharmaceutics” Nanoporous silica entrapped lipid-drug complexes significantly improve the solubility and absorption of drugs that don't dissolve well in water.
14 citations
,
September 1954 in “Textile Research Journal” Hair absorbs different substances from solutions based on pH levels.
3 citations
,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
202 citations
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June 2005 in “Aaps Pharmscitech” Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.
84 citations
,
July 2008 in “Aaps Pharmscitech” Ethosomes improve finasteride delivery through skin for hair loss treatment.
52 citations
,
January 2020 in “Scientific Reports” NLCs with manual massage greatly improve clobetasol delivery to hair follicles.
47 citations
,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
27 citations
,
September 2018 in “Medicines” Oleic acid nanovesicles improve minoxidil absorption in hair follicles for alopecia treatment.
21 citations
,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
12 citations
,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
9 citations
,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
April 2026 in “Journal of Pharmaceutical Innovation” Curcumin nanocrystal gel improves skin absorption and is safe and effective for topical use.
January 2026 in “International Journal of Pharmaceutical Quality Assurance” Alopecia Areata patients have low zinc and high copper levels.
38 citations
,
February 2005 in “The journal of sexual medicine” The testosterone patch and gel are both effective, but they have different absorption patterns and effects on hormone levels.
January 2025 in “Organics” Micelles can change cetirizine's ionization, affecting its effectiveness in treatments.
11 citations
,
October 2018 in “Hormone and Metabolic Research” Women with PCOS have similar bone density to healthy women, but those who are obese have higher bone density at some body sites.
11 citations
,
January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
2 citations
,
July 2024 in “Materials Today Communications” The FN3-Alg hydrogel effectively heals irregular wounds and promotes hair growth.
6 citations
,
May 2019 in “Journal of pharmaceutical sciences” Diffusion in artificial sebum is mainly influenced by molecular size and is much faster than in skin lipids.
4 citations
,
July 2023 in “Journal of Cosmetic Dermatology” Adapalene microemulsions improve drug delivery through hair follicles, enhancing acne treatment.