research Effect of Waste Human Hair Fibers on Shear Behavior of Sand in Dry and Saturated Conditions
Adding human hair to sand improves its strength when dry and maintains strength when wet.
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research Hair Care and Cosmetics
Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.
research Experimental Investigations on Hair Fibers as Diffusion Bridges and Opiates as Solutes in Solution
Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.
research Physical and mechanical properties of the hair shaft: A review of measurement techniques to verify the efficacy of cosmetic products
Different techniques measure hair properties to ensure cosmetic products work.
research Study of the Physicochemical Properties of Different Hair and Body Shampoo Samples Available in the Local Market of Al Khums, Libya
Hair and body shampoos differ in properties to meet specific needs for hair and skin.
research Analysis of structural changes in permanent waved human hair using Raman spectroscopy
Permanent waving weakens hair by altering its protein structure.
research Lipid loses and barrier function modifications of the brown‐to‐white hair transition
White hair has less lipid content and absorbs water differently than brown hair.
research Evaluation method of the degree of hair damage. (I). Measurement of tensile strength of human hair by "the multi-point tension test method".
The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.
research Water-Soluble Polymers in Hair Care
Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.
research Chemical bonds and hair behaviour—A review
Disulfide bonds are crucial for hair's strength, especially when wet.
research The analysis of scalp irritation by coacervates produced in hair shampoo via FTIR with focal plane array detector, X‐ray photoelectron microscopy and HaCaT cells
Shampoo coacervates can cause scalp irritation due to released surfactants.
research Non-comedogenic and non-acnegenic hair and scalp care formulations and method for use
research 3P343 Change of cell membrane complex of a hair fiber caused by hair damage
Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
research The penetration, efficacy and potential of antiseptic nanoparticle-emulsions
Antiseptic nanoparticle-emulsions may improve skin disinfection by targeting hair follicles.
research Cotton honeydew (Gossypium hirsutum L.) extract offers very interesting properties for hair cosmetics and care products.
Cotton honeydew extract improves hair smoothness and reduces damage.
research Hair Weathering
Avoid chemical and physical damage to protect hair.
research Study of Perm-damage to Hair and Protection by Conditioner
Both conditioners help protect hair from perm damage, but their effectiveness varies.
research Measurement of Hair Cortisol as a Retrospective Stress Marker: Effects of Prewashing, Pulverization, Temperature, and Sonication
Pulverization extracts more cortisol from hair, but any method works due to individual differences.
research Sugar Surfactant‐Based Shampoos
Shampoos with sugar-derived surfactants clean hair well and are gentler than those with SLES.
research In-vitro and in-vivo study of dye diffusion into the human skin and hair follicles
Dyeing hair can help target and destroy hair follicles selectively.
research Effective Penetration of the Oxidized Keratin‐Rebonding Materials Into Hair Shafts Based on Charge Conversion (Adv. Healthcare Mater. 12/2026)
research Design and Development of a Shampoo with Dark Semi-Permanent Dyes for Gradual Gray Hair Coverage
The shampoo effectively covers gray hair gradually and maintains color after multiple washes.
research Analysis of Morphological Changes on the Hair Surface by Heat Perm Treatment Method
Direct heat perms cause more damage to hair than softening heat perms.
research Methodology Validation: Correlating Adherent Scalp Flaking Score (ASFS) With Phototrichogram for Scalp Dandruff Evaluation in Adult Subjects
The methods tested are reliable for assessing dandruff reduction.
research Formulation and assessment of the efficacy of a herbal shampoo containing lavender oil
The herbal shampoo with lavender oil was effective and well-liked by users.
research Holding Solutions, Conditions, and Additives to Optimize Hair Follicle Viability and Function
research The Application of Radiochemical Techniques to the Study of the Interaction of Hair Fibers with Aqueous Solutions
Hair absorbs different substances from solutions based on pH levels.
research Degradation of Human Hair by Papain
Papain and bisulfite break down human hair by dissolving parts of it.
research Contact Dermatitis Associated With Nail Care Products: Retrospective Analysis of North American Contact Dermatitis Group Data, 2001–2016
Hair care products often cause contact dermatitis, especially in women and hairdressers.
research Analysis of the Processing Histology of Mink Skin
Improved mink skin processing can weaken hair attachment.