3 citations
,
January 2022 in “Journal of The American Academy of Dermatology” Using sunscreen and moisturizers may increase the chance of developing Frontal fibrosing alopecia (FFA), but the exact reason why is still unclear.
January 2010 in “SÖFW-Journal” A natural moisturizer can make hair stronger.
1 citations
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May 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” A hormone affects hair growth, certain molecules may prevent skin damage, a skin disease is linked to immune cells, glycerol helps skin hydration, and psoriasis treatment trials need improvement.
October 2022 in “Chinese Journal of Dermatology” Dry skin does not mean the skin's protective barrier is broken; it's often due to a lack of natural skin moisturizers.
4 citations
,
October 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
216 citations
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May 2003 in “Journal of Investigative Dermatology” Glycerol is essential for skin hydration in mice without sebaceous glands.
19 citations
,
May 2010 in “Surface and interface analysis” 18-MEA is essential for hair's water resistance, and a conditioner with 18-MEA and SPDA can restore it.
January 2026 in “Colloids and Surfaces B Biointerfaces” A silicone treatment makes damaged hair more water-resistant and stronger.
30 citations
,
November 2012 in “Proceedings of the Royal Society B Biological Sciences” Hard α-keratins stay stiff in water because the surrounding matrix keeps them dehydrated and strong.
December 2025 in “SKINdeep” Low humidity harms skin health by damaging the skin barrier and increasing inflammation.
67 citations
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May 2016 in “Journal of Cosmetic Dermatology” Peptides, proteins, and growth factors in skincare show promise for improving skin health.
May 2001 in “Journal of Investigative Dermatology” The studies identified key factors and potential treatments for skin and hair disorders.
September 2023 in “Journal of the American Academy of Dermatology” 10 citations
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August 2021 in “Cosmetics” The best shampoo formula used 1% high-weight hyaluronic acid, 10% acidic sophorolipid, and 1% salt for effective hair conditioning and cleansing without sulfates or silicones.
May 2023 in “Clinical, Cosmetic and Investigational Dermatology” The research found proteins in human skin cells that help with wound healing and hair growth, which could lead to new treatments.
25 citations
,
November 2012 in “Thermochimica Acta” Internal lipids in keratin fibers, like wool and hair, reduce water absorption and release.
7 citations
,
April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.
5 citations
,
January 2016 in “Hair therapy & transplantation” Miliacin combined with polar lipids boosts hair growth factor production, cell renewal, and increases collagen in hair tissue.
1 citations
,
April 2023 in “Langmuir” Damaged hair allows water to penetrate more easily, and fatty acids from shampoos can deposit on hair surfaces.
2 citations
,
November 2009 in “Korean journal of chemical engineering” Adding Brij 78 to minoxidil microparticles in a certain solution helps them stick to the skin better and prevents clumping.
8 citations
,
February 2005 in “International Journal of Cosmetic Science” Applying a special soy milk extract on skin can make it more elastic and hydrated.
15 citations
,
March 2012 in “British journal of dermatology/British journal of dermatology, Supplement” Using specific cleansers and moisturizers with niacinamide improves men's skin hydration and health.
269 citations
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October 2018 in “International journal of biological macromolecules” Hyaluronic acid is effective for skin rejuvenation and should be a key ingredient in cosmetic products.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
25 citations
,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
9 citations
,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
March 2011 in “Focus on surfactants” Several companies launched new hair care ingredients in 2011 to improve conditioning, color retention, combability, and heat protection.
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.
15 citations
,
August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
June 2024 in “ChemBioChem” Replenishing free 18-MEA can help restore damaged hair surfaces.