Applying conditioner in the middle of a perm process reduces hair damage.
December 2023 in “Sains Malaysiana” The enzyme Rand protease works well for leather dehairing and its stability is important, with Leu75 playing a key role.
75 citations
,
August 2018 in “Plant physiology” Hydrogen sulfide disrupts protein function and root hair growth in plants by modifying proteins.
18 citations
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January 2018 in “Soil biology” January 2016 in “UNESP Institutional Repository (São Paulo State University)” Melasma results from changes in the skin's pigment and structure, not just pigment cell growth.
19 citations
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July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
37 citations
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
May 2026 in “Jurnal Pendidikan Kimia Fisika dan Biologi” Rebonding damages hair cuticles, causing erosion and cracks.
October 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair growth slows under force, confirming a model of cell wall mechanics.
7 citations
,
January 1997 in “International Biodeterioration & Biodegradation” Microsporum canis breaks down animal hair fastest in sheep and foxes, slowest in humans.
June 2020 in “International Journal of Research in Dermatology” Xerosis and wrinkling are common in elderly skin, but some conditions can be harmful.
The tablets are easy to make, look good, work well, and are ready for mass production.
3 citations
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November 2017 in “International Journal of Pharmacy and Pharmaceutical Sciences”
December 2023 in “Polish Journal of Chemical Technology” Ajuga reptans extracts can improve skin hydration, elasticity, and reduce wrinkles.
June 2009 in “Pigment Cell & Melanoma Research” Preventing hair graying may be possible by managing oxidative stress and activating melanocyte stem cells.
29 citations
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August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
2 citations
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April 2024 in “Molecular Plant” Auxin promotes root hair growth through oxidative processes involving reactive oxygen species.
4 citations
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January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
20 citations
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July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
1 citations
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November 2009 6 citations
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October 2020 in “Frontiers in cell and developmental biology” WWOX deficiency in mice causes skin and fat tissue problems due to disrupted cell survival signals.
Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
733 citations
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September 2009 in “Journal of Cell Science” Wound healing is a complex, multi-phase process involving various cells and activities to repair skin damage.
16 citations
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October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
1 citations
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June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
375 citations
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February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
January 2026 in “Journal of Materials Chemistry B” A special solvent helps hydroxytyrosol penetrate skin better, promoting hair growth.
2 citations
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August 2024 in “Indian Dermatology Online Journal” Premature graying of hair is mainly caused by genetics, stress, and environment, with potential treatments being explored.
103 citations
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January 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.