April 2019 in “Journal of Investigative Dermatology” Low-level laser therapy helps hair growth and reduces hair loss with few side effects.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
Stretching-setting treatment works for wool and human hair using specific equipment and methods.
82 citations
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May 2005 in “Dermatologic therapy” Laser hair removal has advanced to effectively reduce hair for various skin types and hair colors.
August 2025 in “Journal of Applied Pharmaceutical Research” F4 and F6 hair gels showed promise for improving hair care but need more testing.
2 citations
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August 1987 in “Analytical Biochemistry” A new method isolated previously undetected hair proteins rich in glycine and tyrosine.
March 2016 in “The Korean Society of Beauty and Art” MSG-based hair hardener improves hair thickness, strength, and wave retention after perms.
June 2025 in “British Journal of Dermatology” Licensed hair gloss products improve shine and smoothness but require stricter regulation to ensure safety.
6 citations
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October 2018 in “Drug safety - case reports” Alitretinoin may cause irreversible hair curling as a side effect.
2 citations
,
August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
13 citations
,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
December 2021 in “Journal of natural fibers” The conclusion is that new methods for isolating hair cuticle cells and removing the cuticle layer are effective and convenient.
21 citations
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October 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.
NaOH treatment improves hair strength and suitability for textiles.
Linear-strip excision is a traditional hair restoration method with specific pros and cons compared to newer techniques.
28 citations
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January 2016 in “RSC Advances” A non-toxic formula using polycarboxylic acids strengthens and improves hair.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
Laser hair removal works well for light skin with dark hair but needs caution for darker skin.
January 1995 in “Journal of the Society of Cosmetic Chemists” Transglutaminase does not modify human hair.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
January 2009 in “Elsevier eBooks” Low level laser therapy may help with hair loss.
2 citations
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June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair conditioner with Aloe vera and flaxseed effectively conditions and repairs hair.
11 citations
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January 2015 in “Annals of Dermatology” Using a hair removal laser can make hairs finer for better hairline correction in hair transplants, with most patients happy and few side effects.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
21 citations
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March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
September 2025 in “Indian Journal of Dermatology” A Turkish woman has a hair condition caused by a LIPH gene mutation.
October 2010 in “한국식품영양과학회 산업심포지움발표집” Fermented Liriope platyphylla helps hair grow in mice with hair loss.
4 citations
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January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
40 citations
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February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
2 citations
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July 2012 in “PubMed” Ceramide-rich liposomes can effectively repair and strengthen damaged hair.