January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic 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.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
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
,
June 2021 in “Preprints.org” Hair relaxers and straighteners can be toxic to skin cells.
23 citations
,
July 2008 in “British journal of dermatology/British journal of dermatology, Supplement” Topical contact sensitizers can treat certain skin conditions but are rarely used in the U.K.
April 2025 in “BMC Chemistry” Thiadiazole chitosan conjugates improve hair manageability, moisture, and protection in conditioners.
8 citations
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January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
January 2011 in “Journal of Society of Cosmetic Chemists of Japan” 18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.
19 citations
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January 1993 in “Dermatologic Clinics” September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
37 citations
,
October 2017 in “Saudi pharmaceutical journal” All evaluated shampoos meet Saudi standards.
Natural adsorbents in cosmetics can significantly reduce skin and hair pollution.
3 citations
,
January 2007 in “Journal of health science” The enzymatic method can effectively identify chemical treatments on hair.
Chemical treatments weaken hair's thermal stability and structure.
19 citations
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April 2021 in “Journal of Cosmetic Dermatology” Fetal environments contain various chemicals that may disrupt hormones.
April 2023 in “Journal of Investigative Dermatology” Using DNase enzymes to break down harmful NETs could be a new treatment for Stevens-Johnson syndrome and toxic epidermal necrolysis.
January 2011 in “Archivio Istituzionale della Ricerca (Universita Degli Studi Di Milano)” New molecules can prevent cell death in hair follicles.
3 citations
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October 2023 in “Cosmetics” Effervescent cleansing tablets with Asiatic acid were successfully developed, showing good stability and cleansing effectiveness.
60 citations
,
September 2001 in “British journal of dermatology/British journal of dermatology, Supplement” Topical contact sensitizers can treat certain skin conditions by changing the immune response.
7 citations
,
February 1985 in “Textile Research Journal” Cellular debris sticks to damaged wool fibers and affects wool cleanliness.
June 2017 in “University of the Arts London Research Online (University of the Arts London)” Polymers help reduce damage and improve bleached hair when used during or after bleaching.
May 2025 in “Afyon Kocatepe University Journal of Sciences and Engineering” The treatment process effectively removes many pollutants from cosmetics wastewater, but more research is needed to improve it.
January 2026 in “Derecho y cambio social.” Choose deodorants with low allergenic ingredients and follow usage instructions to avoid skin issues.
9 citations
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
44 citations
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April 2003 in “European journal of pharmaceutical sciences” Lipophilic dyes accumulate more in hair follicles when delivered with surfactant-propylene glycol solutions.
12 citations
,
October 1981 in “International Journal of Cosmetic Science” Effective anti-dandruff products work well against scalp microbes and stick to the skin.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.