2 citations
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September 2010 in “Journal of the Korea Academia-Industrial cooperation Society” Using 2% collagen in perms reduces hair damage while keeping curls.
1 citations
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June 2023 in “Skin Research and Technology” Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
1 citations
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December 2022 in “Journal of applied biological chemistry” TRP-hair essence protects hair from heat damage, maintains color, and strengthens hair.
1 citations
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April 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Aspartic acid at 0.75% makes perms more effective and less damaging to hair.
1 citations
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March 2019 in “International Journal of Cosmetic Science” The model predicts hair breakage based on key hair properties and helps product developers.
1 citations
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January 2019 in “Journal of pharmacy & pharmacognosy research” The flavonoid-rich extract of Equisetum hyemale can help regrow hair in cases of alopecia.
1 citations
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January 2017 in “Ancient science of life/Ancient Science of Life” Vatika Enriched Coconut Hair Oil is safe and more effective than regular coconut oil for reducing hair fall and dandruff.
May 2026 in “Materials Today Bio” The nanocomplex protects hair from UV damage and strengthens it.
Placenderm® improves scalp elasticity and hair quality safely.
NaOH treatment improves hair strength and suitability for textiles.
January 2026 in “International Journal of Peptide Research and Therapeutics” Collagen supplements improve hair health and are safe.
December 2025 in “Asian Journal of Beauty and Cosmetology” Soybean oil extract improves the condition of damaged hair.
December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” Ultrasonic and infrared treatments can improve hair strength and appearance with minimal damage.
May 2025 in “Research Journal of Biotechnology” Diabetes can cause hair thinning, increased hair loss, and changes in hair growth phases.
February 2025 in “Brazilian Journal of Hair Health” The Brazilian candle flame technique can damage hair by melting the cuticle and exposing the cortex.
January 2025 in “International Journal of Cosmetic Science” Citric acid strengthens and improves damaged hair.
August 2024 in “Journal of the Korean Society of Cosmetology” Wild peach leaf extract improves hair strength, thickness, and shine after dyeing.
April 2023 in “Asia-pacific Journal of Convergent Research Interchange” Hair manicure improves the strength and condition of bleached hair.
January 2023 in “SSRN Electronic Journal” The fibroin-based formulation strengthens and repairs chemically damaged hair.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
The fermented mixture, including Sasa Borealis, improves scalp health and hair strength and shine.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.
April 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Eating raw cheonggukjang improves scalp hair in middle-aged women.
February 2021 in “Journal of the Korean Society of Cosmetology” Castor oil improves the texture of bleached hair by increasing its strength.
Micro-needling with growth factors and minoxidil improved hair growth in a balding man.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
June 2016 in “한국디자인문화학회지” UVA damages all hair types, especially permanently waved and colored hair.
March 2016 in “The Korean Society of Beauty and Art” MSG-based hair hardener improves hair thickness, strength, and wave retention after perms.
Taking enzyme food and collagen together improves hair health in middle-aged women more than taking them separately.
September 2014 in “Daehan miyong hakoeji” Adding 2% glycerin or hyaluronic acid to permanent wave treatments reduces hair damage, with hyaluronic acid being more effective.