14 citations
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July 2017 in “International Journal of Cosmetic Science” This study found that Caucasian hair experienced greater volume changes than Asian hair in various relative humidity conditions, and incorporating a peptide into climate control formulations significantly reduced hair volume, particularly in high humidity settings.
11 citations
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November 2019 in “The FASEB Journal” In this study, a missense mutation in the MAP2 gene was found to be associated with reduced hair follicle density, leading to the hairless phenotype in pigs.
9 citations
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April 2023 in “Experimental Dermatology” This study found that adding allergen immunotherapy to conventional treatment may reduce relapse-related hair loss in house dust mite-allergic alopecia areata patients over a 3-year period.
9 citations
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December 1987 in “European journal of endocrinology” In this study, 12 months of cyproterone acetate and ethinyl oestradiol treatment significantly reduced hair growth rate and certain hormone levels in hirsute women, though hair density and prolactin levels remained unchanged.
7 citations
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September 2020 in “International Journal of Cosmetic Science” This study investigated the effects of wool-derived hydrolysed keratin peptides on relaxed textured hair and found that mid- and high-molecular weight peptides improved mechanical strength and reduced breakage in different humidity conditions.
5 citations
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June 2013 in “Fashion business” This study found that adding rose hip extract to permanent wave solutions increased wave effectiveness and reduced hair damage, although variations in hair type may affect the results.
4 citations
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January 1991 in “Journal of obstetrics and gynaecology” This study found that both spironolactone with Ovysmen and cyproterone acetate with ethinyloestradiol significantly reduced hair growth in hirsute women, with no difference in effect between treatments.
3 citations
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May 2018 in “Italian journal of dermatology and venereology” In this study, using a lotion containing N1-methylspermidine and Sandalore® for 3 months significantly reduced hair loss and stimulated hair growth in both men and women with chronic telogen effluvium, with benefits persisting 3 months after treatment ended.
3 citations
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September 2016 in “Clinical, cosmetic and investigational dermatology” This study found that sphinganine may improve scalp health, hair quality, and reduce hair loss in males, potentially due to increased antimicrobial peptide levels and inhibition of 5-α-reductase.
2 citations
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August 2022 in “Korean journal of medicinal crop science/Han-gug yagyong jagmul hag-hoeji” This study investigated the antioxidant and anti-inflammatory effects of the plant extract BLH308 and its potential to reduce hair loss, showing significant antioxidant activity in vitro.
2 citations
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March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, researchers used an evolutionary-rate-based method to identify genetic elements associated with reduced hair in mammals, finding a dichotomy between accelerated coding sequences and noncoding regulatory elements influencing hair growth.
2 citations
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November 2019 in “Phytotherapy Research” This study found that consuming 100 mg of pea sprout extract daily for 8 weeks significantly reduced hair loss in individuals experiencing excessive hair shedding.
1 citations
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July 2020 in “International journal of radiology & radiation therapy” This study found that VMAT hair-sparing WBRT partially preserved scalp hair at four weeks post-treatment without compromising symptomatic disease control in the short term, but reduced hair loss did not improve quality of life.
1 citations
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April 2020 in “Clinical, Cosmetic and Investigational Dermatology” In this study, topical acyclovir significantly delayed hair growth initiation and completion in mice and reduced hair follicle size, suggesting potential inhibitory effects on hair growth.
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.
July 2026 in “International Journal of Homoeopathic Sciences” In this study, a 42-year-old female with female pattern hair loss experienced reduced hair fall, improved hair density, normalized scalp oiliness, and increased confidence after four months of homeopathic treatment personalized to her symptoms, nutritional supplementation, and GroHair therapy.
June 2026 in “Frontiers in Medicine” In this randomized controlled trial, daily use of a hair serum containing plant extracts and manganese PCA improved scalp tightness, reduced discomfort, and enhanced hair growth quality in men post-hair transplant, suggesting its efficacy as a dermocosmetic adjuvant for long-term hair care.
In this study, a polyphenol and biotin supplement improved skin roughness and significantly reduced hair shedding, but did not demonstrate clear superiority over placebo in overall skin outcomes.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers developed an herbal hair serum using extracts from guava leaf, onion peel, and neem leaves, finding it improved scalp health, reduced hair breakage, and enhanced hair texture, suggesting potential as a plant-based alternative for hair care.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study found that an herbal hair serum containing extracts of guava leaf, onion peel, and neem leaves improved scalp health, reduced hair breakage, and enhanced hair texture, suggesting potential as an effective alternative to synthetic hair products.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study found that a polyherbal hair serum made from fenugreek, aloe vera, hibiscus, neem, and rice water effectively improved hair texture, reduced hair loss, and enhanced scalp health, with favorable safety and stability profiles, making it a potential natural alternative to synthetic hair products.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study developed a herbal hair serum using ingredients like fenugreek, aloe vera, and hibiscus, and found it improves hair texture, reduces hair loss, increases shine, and enhances scalp health, while also being safe, stable, and non-irritating.
May 2026 in “Journal of Cosmetic Dermatology” This study found that a nutritional supplement containing millet extract, pantothenic acid, L-cystine, and biotin significantly increased hair density, improved hair growth and appearance, and reduced hair loss by 59% in 112 healthy subjects with light diffuse hair loss over 12 weeks.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, the researchers developed a polyherbal hair oil using natural ingredients and found it to be safe, effective, and stable, demonstrating reduced hair fall, improved hair texture, and enhanced hair length and shine, potentially offering an economical alternative to synthetic hair care products.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study evaluated a polyherbal hair growth serum containing Carica papaya leaves, Aloe vera gel, sesame seed oil, and neem leaves, finding it significantly improved hair density, reduced hair fall, and enhanced scalp health, suggesting it as a promising alternative for managing hair loss.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study evaluated a polyherbal hair growth serum containing ingredients like Carica papaya leaves and Aloe vera gel, reporting significant improvements in hair growth parameters, reduced hair fall, and enhanced scalp health, suggesting it as a safe and effective alternative for hair loss management.
January 2026 in “Cosmetics” This study reported that Cacumen Platycladi extract significantly reduced hair loss and increased hair density in a 12-week clinical trial, suggesting it may be a safe and effective natural treatment.
January 2026 in “Journal of Ayurveda and Integrated Medical Sciences” In this study, oral Bhringaraj extract was found to significantly reduce hair shedding in adults over 24 weeks, according to comb test measurements and patient-reported improvements, with mild and self-resolving side effects observed.
January 2026 in “International journal of research and scientific innovation” This study reviewed a traditional siddha hair treatment using quail bone ash and sesame oil, observing reduced hair fall and stimulation of new growth, though it suggests further scientific and clinical validation is needed for these findings.
December 2025 in “Plastic & Reconstructive Surgery” This study found that the Bioengineered Exosomal Hair Growth Factors Complex (BEHC™) enhanced human follicle dermal papilla cell proliferation and reduced inflammatory markers in vitro, while significantly decreasing hair shedding and increasing hair density among participants with androgenetic alopecia in an open-label clinical study.