17 citations
,
July 2019 in “Scientific reports” Surface and internal treatments can help prevent hair lipid loss during washing.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Cationic conditioning systems improve hair combability and sensory feel.
October 2025 in “International Journal of Cosmetic Science” Conditioners improve hair manageability but don't repair damage.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
November 2004 in “Qucosa (Saxon State and University Library Dresden)” Active agents mainly stay on the hair surface after short washes.
1 citations
,
November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
December 2023 in “The journal of physical chemistry. B (1997 : Online)” Human hair keratin might be good for filtering out harmful substances from water.
3 citations
,
January 2004 in “Sen i Gakkaishi” DTDG in hair treatments reduces damage and preserves hair structure.
12 citations
,
January 2009 in “Journal of Oleo Science” Sterol surfactants can effectively dissolve UV ray absorbers.
Hair care products can cause skin irritation and allergies.
30 citations
,
January 2009 in “The scientific world journal/TheScientificWorldjournal” Hair is hard to dissolve because of its complex proteins, but certain solvents that break specific bonds and hydrate can do it.
1 citations
,
June 1999 in “American Journal of Contact Dermatitis” Shampoos should treat scalp issues while keeping hair soft and shiny.
25 citations
,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
Haircare products may expose users to harmful chemicals despite regulations.
5 citations
,
January 1992 Silicones in shampoos make hair smoother, easier to manage, and reduce friction.
3 citations
,
January 2009 in “Sen'i Gakkaishi” Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
Hair styling products can cause skin irritation.
October 2018 in “Focus on surfactants”
October 2022 in “Journal of the American Academy of Dermatology” "Clean" shampoos use fewer allergenic preservatives than traditional ones but still contain fragrances, and their actual risk of causing skin reactions is unclear.
25 citations
,
May 2008 in “Journal of cosmetic dermatology” Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
11 citations
,
January 2006 in “Journal of the American Leather Chemists Association” Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
Chemical treatments weaken hair's thermal stability and structure.
January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
January 2010 in “EPub Bayreuth (University of Bayreuth)” Polyquaternium-87 reduces hair friction the most among tested polymers.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
13 citations
,
August 1985 in “Archives of Internal Medicine” Polysorbate 60 does not help with male pattern baldness.
4 citations
,
August 1985 in “Archives of Internal Medicine” Polysorbate 60 does not help with male pattern baldness.
1 citations
,
January 2019 in “Archives of Clinical and Medical Case Reports” Changing hair's surface and structure can help protect its natural oils from being washed away.
19 citations
,
January 1993 in “Dermatologic Clinics”