1 citations
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July 2012 in “EFSA journal” This report concludes that no cause and effect relationship has been established between consuming KF2BL20 and maintaining normal hair in healthy adults.
This study found that low-temperature rendering of black beans, peony, and green tea extracts retains higher antioxidant properties and effectively supports scalp health by strengthening follicles and moisturizing the scalp.
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September 2007 in “Neuromuscular disorders” This study suggests that long-term treatment with valproate, acetylcarnitine, folic acid, and vitamin B12 may benefit children with SMA types II and III by improving muscle strength and function without significant adverse effects.
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March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
August 2026 in “Journal of the Korean Society of Cosmetology” In this study, researchers observed that Sedum takesimense extract improved the surface properties, moisture retention, tensile strength, and wave formation of damaged hair compared to a water control, even after additional chemical and UV damage, suggesting its potential as a protective hair treatment.
July 2026 in “International Journal For Multidisciplinary Research” In this study, researchers found that EqualsTwo Oil Free Hair Oil significantly reduced hair fall by up to 73.8% and improved hair strength, scalp condition, and growth cycle parameters in pregnant and lactating women over a 30-day period, without adverse effects.
This review reports that oral collagen peptide supplements may improve skin elasticity, hydration, and wrinkle appearance while also supporting hair and nail health and wound healing, but emphasizes the need for longer, high-quality studies due to current research limitations and variability in findings.
July 2026 in “Clinical Cosmetic and Investigational Dermatology” In this study, a liposomal-encapsulated Sesbania grandiflora formulation significantly improved hair and scalp health in adults with hair loss over 180 days, showing enhanced hair density, thickness, growth rate, and tensile strength compared to placebo, with no related adverse events reported.
July 2026 in “DOAJ (DOAJ: Directory of Open Access Journals)” This study found that the liposomal Sesbania grandiflora formulation significantly improved hair and scalp health in adults with hair loss compared to placebo over 180 days, enhancing factors such as hair density, thickness, growth rate, and tensile strength, with no related adverse events reported.
This study proposed a new standardized in vitro framework using human hair tresses to evaluate cosmetic hair product performance and found significant improvements in hair breakage, tensile strength, shine, volume, and frizz control compared to a control group without such changes.
This study developed a natural herbal hair dye powder using Eclipta prostrata, Nigella sativa, and Aloe Vera, which offers safe and environmentally friendly hair coloring while avoiding harmful effects associated with conventional dyes.
May 2026 in “Materials Today Bio” This study reported that a bioderived melanoidin/tannic acid nanocomplex forms a durable, antioxidant-active coating on hair fibers, providing enhanced UV protection and improving tensile resilience by suppressing oxidative stress and activating endogenous antioxidant pathways.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The abstract for Roota Hair Growth describes a product combining botanical extracts with clinically-tested ingredients to target hair thinning, breakage, and scalp fatigue by blocking DHT, strengthening hair fibers, and revitalizing the scalp through a precision roll-on applicator, offering a natural alternative for healthier hair.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The investigators highlighted Roota Hair Growth as a promising botanical solution for hair concerns, suggesting it may improve hair health by addressing the root causes of thinning, breakage, and scalp fatigue.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study suggests that rice water may improve hair health by strengthening hair, reducing breakage, and promoting growth due to its nutrients and antioxidants, even as it becomes a popular ingredient in various hair care products despite limited rigorous research.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This research suggests that rice water may improve hair health by reducing breakage, repairing damage, enhancing flexibility, and hydrating the scalp, making it a popular choice for natural hair care products.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study developed an antifungal herbal shampoo using curry leaves and other natural ingredients, aiming to enhance hair growth and strength while preventing hair loss without the chemical risks of commercial shampoos.
March 2026 in “Cosmetics” In this comprehensive review, researchers reported that macromolecules like type I collagen, keratin, and ceramides enhance hair health by improving follicular function and increasing hair density, strength, shine, and resilience, as shown in various in vitro, animal, and human studies.
In this 24-week study, oral supplementation with hydrolyzed low-molecular-weight porcine placental peptides significantly improved scalp elasticity, hair diameter, tensile strength, surface roughness, and luster compared to placebo, suggesting its potential as a nutritional intervention for age-related scalp and hair changes.
This study observed that treating human hair with NaOH led to partially removed cuticles, resulting in better fiber cohesion and mechanical properties similar to wool, unlike bleach or formic acid treatments, which weakened the fibers.
January 2026 in “International Journal of Peptide Research and Therapeutics” In this study, adults with mild-to-moderate hair damage taking GPVGPS Collagen® daily for 24 weeks showed significant improvements in hair luster, strength, thickness, and density compared to placebo, with no safety concerns reported.
January 2026 in “Colloids and Surfaces B Biointerfaces” This study found that treating damaged hair with maleic-modified amino silicone oil created a highly hydrophobic surface, reducing water content and improving hair's mechanical properties and thermal stability.
January 2026 in “International journal of research and scientific innovation” In this laboratory study, researchers developed a multifunctional organic hair cream with various natural extracts, finding that the cream with 15% extracts demonstrated higher physical stability, hair strength, and antimicrobial activity compared to lower concentration samples and synthetic alternatives.
January 2026 in “Biomedical and Biopharmaceutical Research” This study found that formulations containing pequi and buriti oils improved texture properties and significantly increased gloss in curly hair, with pequi oil also significantly enhancing tensile strength.
January 2026 in “Brazilian Journal of Pharmaceutical Sciences” This study assessed the effects of chemical treatments on hair fiber integrity and found that conditioners with vegetable oils like jojoba and coconut enhanced hydrophobicity and reduced combing friction except for jojoba, while participants preferred these oil-containing conditioners over the base formulation.
December 2025 in “Sustainable Chemistry One World” In this study, researchers found that mangosteen pericarp extract, combined with FeSO₄ as a mordant, effectively produced a stable reddish hair dye on bleached hair, with good color persistence and enhanced tensile strength, indicating its potential as an eco-friendly and safer alternative to synthetic dyes.
December 2025 in “Cosmetics” In a laboratory study, researchers found that a novel Bioactive Crosslink Repair Complex improved both the protection and repair of chemically damaged hair, enhancing tensile strength, shine, and cuticle alignment when added to bleaching mixtures and leave-in conditioners.
December 2025 in “Asian Journal of Beauty and Cosmetology” This study found that applying soybean oil extract to damaged hair significantly improved brightness, tensile strength, absorbance, and gloss, suggesting its potential in enhancing hair condition. Further research is needed to explore how different natural extracts affect damaged hair.
December 2025 in “Applied Sciences” This study examined argan oil inclusion complexes with β-CD, finding that these complexes improve the antibacterial efficacy, uniformity, and mechanical performance of hair treatment formulations while enhancing the durability of bleached hair, suggesting their potential as stable and effective cosmetic ingredients.
December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” This study outlines how combined ultrasonic and infrared hair treatments may enhance hair restoration and performance by breaking down keratin disulfide bonds for better treatment access and sealing cuticle scales to preserve improvements, with potential applications in salon and home settings.