January 2025 in “International Journal of Cosmetic Science” Citric acid strengthens and improves damaged hair.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
3 citations
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June 2024 in “Journal of Cosmetic Dermatology” UV rays and pollution increase hair damage.
June 2024 in “International Journal of Cosmetic Science” Plant oils like coconut, camellia, and safflower can penetrate hair, making it stronger and softer.
November 2023 in “Cosmetics” Rice derivatives in conditioners protect and improve hair health.
August 2023 in “International Journal of Cosmetic Science” Rosemary extracts, specifically compounds like rosmarinic acid and carnosic acid, can protect hair from UV damage.
4 citations
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March 2023 in “Molecules/Molecules online/Molecules annual” Gallic acid and ferulic acid can be sustainably extracted for hair supplements with high efficiency and stability.
3 citations
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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.
5 citations
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May 2022 in “Fashion and Textiles” Hair conditioners with argan oil or camellia oil improve the strength and color of bleached hair.
13 citations
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August 2021 in “Journal of Cosmetic Dermatology” Tea extracts can protect hair from UV damage.
10 citations
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January 2020 in “Royal Society Open Science” A new automated method accurately measures hair damage using microscopic images.
13 citations
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March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
13 citations
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January 2017 in “Cosmetics” Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
18 citations
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July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
13 citations
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September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
34 citations
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January 2011 in “Annals of dermatology/Annals of Dermatology” Using a hair dryer at 15 cm with continuous motion causes less damage than natural drying.