January 2025 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal shampoo with neem, onion, and flaxseed oils effectively promotes hair health and is a stable, eco-friendly alternative to synthetic products.
3 citations
,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
1 citations
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January 2015 Walnut oil can be used in hair tonic to help hair growth.
September 2023 in “Medical lasers” The botanical shampoo with Morus alba root extract is safe and effective for treating hair loss.
January 2013 in “The Thai Journal of Pharmaceutical Sciences” 
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Croton tiglium Linn. may promote hair growth but needs careful detoxification due to its toxicity.
November 2024 in “Research Journal of Pharmacognosy and Phytochemistry” Herbal shampoos are safer and effective for hair care compared to chemical shampoos.
14 citations
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January 2020 in “Skin appendage disorders” A shampoo with cannabidiol can significantly reduce scalp inflammation and symptoms in people with mild to moderate psoriasis or seborrheic dermatitis.
December 2023 in “Asian journal of beauty & cosmetology” 
77 citations
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March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
September 2021 in “Yearbook of pediatric endocrinology” Stress hormone stops a growth signal and keeps hair stem cells inactive, reducing hair growth.
3 citations
,
August 2020 in “Journal of cosmetic dermatology” The scalp care solution with Timosaponin B-II improved scalp hydration, reduced dandruff, and helped prevent hair loss.
April 2025 in “Journal for Research in Applied Sciences and Biotechnology” Formulation 1 is best for healthy, soft hair and scalp.
May 2024 in “Jurnal Lmu Farmasi dan Kesehatan/” A 2% celery leaf extract shampoo is best for hair growth.
December 2024 in “Media Farmasi Jurnal Ilmu Farmasi” The optimized chia seed oil shampoo formula is stable and meets all required characteristics.
The shampoo with 10% SLS had the best physical properties.
Shiitake mushroom, buckwheat, and cypress are effective and safe for scalp care.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The natural shampoo cleans hair well and needs more refinement for better quality.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The natural shampoo cleans hair well and needs more refinement for better quality.
3 citations
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July 2020 in “International Journal of Applied Pharmaceutics” The banana corm extract shampoos are stable and may effectively promote hair growth.
Neem leaf extract combined with eucalyptus and lemongrass oils can effectively treat Tinea capitis.
October 2024 in “JURNAL ILMU KEFARMASIAN INDONESIA” The extracts may help hair growth.
4 citations
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March 2020 in “Cutaneous and ocular toxicology” Wen by Chaz Dean Sweet Almond Mint Cleansing Conditioner is better tolerated than salicylic acid and baby shampoos.
September 2024 in “Research Repository Universitas Islam Negeri Maulana Malik Ibrahim (University of Southampton)” The optimized chia seed oil shampoo is effective and meets quality standards.
66 citations
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January 1987 in “Journal of Investigative Dermatology” Coal tar shampoo increases enzyme activity in hair follicles, enhancing carcinogen binding to DNA.
November 1968 in “Journal of the American Pharmaceutical Association” 1 citations
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August 2019 A 25% ethanol extract hair tonic from Nothopanax scutellarium leaves significantly boosts hair growth in male rabbits.
February 2026 in “Cosmetics” 4 citations
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January 2023 in “Veterinary Sciences” The treatment improved dogs' greasy seborrhea without side effects.
1 citations
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February 2018 in “Psicologia e Saúde em Debate” The caffeine shampoo formulation is stable and suitable for treating hair loss.