5 citations,
December 2020 in “International journal of biological macromolecules” Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
53 citations,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
2 citations,
September 2023 in “International journal of molecular sciences” Special proteins are important for skin balance, healing, and aging, and affect skin stem cells.
February 2024 in “Bioengineering” The hydrogel made of chitosan, HPMC, and insulin speeds up wound healing and could be a new dressing, especially for diabetics.
December 2023 in “The journal of physical chemistry. B (1997 : Online)” Human hair keratin might be good for filtering out harmful substances from water.
January 2023 in “Applied sciences” Equisetum debile extracts may help with skin whitening, anti-wrinkle, and anti-hair loss treatments.
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.
5 citations,
January 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
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.
4 citations,
September 2015 in “Case Reports” A man fainted and felt unwell after using a strong hair growth product, but got better when he stopped using it.
8 citations,
January 1996 in “Springer eBooks” Male pattern baldness may be caused by factors like poor blood circulation, scalp tension, stress, and hormonal imbalances, but the exact causes are still unclear.
87 citations,
March 2000 in “American Journal of Clinical Dermatology” Alpha-hydroxy acids, like glycolic acid, safely improve skin issues and work on all skin types.
72 citations,
July 2014 in “American journal of clinical dermatology” Some treatments, like corticosteroids and sensitizing agents, can help with alopecia areata, but more high-quality research is needed.
72 citations,
July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
16 citations,
July 2012 in “The New England Journal of Medicine” The patient was diagnosed with anorexia nervosa and severe malnutrition, requiring urgent refeeding and monitoring.
12 citations,
January 2007 in “Acta dermato-venereologica” Europe needs a clear system to watch over cosmetics for safety and to make sure product claims are true.
2 citations,
May 2023 in “Nanomaterials” Microemulsions could improve skin drug delivery but face challenges like complex creation and potential toxicity.
May 2024 in “International Journal of Nanomedicine” Biodegradable polymers can improve cannabinoid delivery but need more clinical trials.
The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.
75 citations,
August 2003 in “International journal of cosmetic surgery and aesthetic dermatology” The HairMax LaserComb made hair grow more and get stronger for people with hair loss.
6 citations,
January 2016 in “International journal of trichology” Children's hair is more elastic, but tensile strength is similar across different factors.
1 citations,
July 2022 in “International journal of trichology” Type 3 hair oil strengthens hair more than coconut oil.
27 citations,
February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
11 citations,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
2 citations,
August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
8 citations,
July 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Curly hair is mechanically different from straight hair and may need new testing methods.
5 citations,
August 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.
August 2024 in “Journal of the Korean Society of Cosmetology” Wild peach leaf extract improves hair strength, thickness, and shine after dyeing.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
February 2021 in “Journal of the Korean Society of Cosmetology” Castor oil improves the texture of bleached hair by increasing its strength.