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May 2023 in “Frontiers in medicine” Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.
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January 1967 in “The BMJ” The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.
Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.
January 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Patients with acne vulgaris have lower serum irisin levels.
No single biomarker is reliable enough for diagnosing and assessing SLE.
April 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Eating raw cheonggukjang improves scalp hair in middle-aged women.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
May 2019 in “International journal of advanced chemistry” The green cream safely slowed hair growth by 25%.
January 1997 in “Elsevier eBooks” Hair and nails are skin parts that develop early and serve protective and functional roles.
Quercetin can help heal wounds better if its skin absorption is improved.
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June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
1 citations,
December 2012 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
May 2024 in “Ultramicroscopy” Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
63 citations,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
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November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
October 2023 in “Biomimetics” The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.
January 1996 in “Springer eBooks” Hair can regrow if the sebaceous gland is intact, even if the hair root is removed.
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June 2019 in “Nanomaterials” Nanotube-based hair treatments could improve hair health and growth, and offer long-lasting effects.
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February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
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October 2023 in “Biology” Cobalt is important for health but too much or too little can cause health problems, and its environmental buildup is a concern.
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September 2023 in “Molecules (Basel. Online)” Plant sterols have health benefits like lowering cholesterol, but more research is needed to understand their effects and improve their extraction and sustainability.
May 2023 in “Health science reports” Coloring shampoos for gray hair may cause gene mutation, reproductive issues, and skin damage, needing stricter regulation and expert consultation.
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April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
80 citations,
April 2006 in “Clinical Interventions in Aging” Minoxidil and Finasteride are effective for male baldness; more research is needed for hair aging treatments.
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July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
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February 2022 in “Journal of pineal research” Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.
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August 2023 in “Advanced Science” Nitric Oxide has potential in medicine, especially for infections and heart treatments, but its short life and delivery challenges limit its use.
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March 2019 in “Molecular & cellular proteomics” Reductive stress messes up collagen balance and alters cell signaling in human skin cells, which could help treat certain skin diseases.