1 citations
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January 2015 In this study, gel containing apigenin and celery herb extract was observed to effectively stimulate hair growth and did not cause skin irritation in male Sprague-Dawley rats.
2 citations
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August 2024 in “International Journal of Applied Pharmaceutics” This study found that a hair tonic containing 40% broccoli stalks extract was more effective in promoting hair growth in male white rats compared to lower concentrations, while also maintaining stable physical characteristics and safety during testing.
34 citations
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July 2011 in “International journal of pharmaceutics” This study found that ion-paired solutions significantly improved the skin penetration of risedronate in hairless mice compared to risedronate alone.
1 citations
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August 2017 in “Asian Journal of Pharmaceutical and Clinical Research” The 1% ethyl acetate fraction ethosomal gel from Nothopanax scutellarium leaves promotes hair growth but can mildly irritate the skin.
4 citations
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October 2017 in “International Journal of Applied Pharmaceutics” This study found that hair tonics with 5% and 10% licorice extract promoted hair growth in rabbits similarly to 2% minoxidil and were generally safe, although they caused mild eye irritation at the 2.5% concentration.
This study found that a 10% hibiscus leaf extract hair tonic demonstrated better hair growth activity than 2% minoxidil in rabbits but caused eye irritation.
3 citations
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January 2014 This study concluded that a green tea extract hair tonic was stable, promoted more hair growth than 2.5% minoxidil, and did not cause skin irritation.
12 citations
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May 2016 in “Experimental Dermatology” The researchers concluded that their new reconstructed human epidermis model from plucked hair follicle-derived keratinocytes offers a safer and simpler alternative to traditional skin-derived models for studying epidermal function.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study formulated and evaluated a herbal anti-dandruff shampoo using natural ingredients, finding that it effectively reduced dandruff, improved scalp and hair health, and presented an economical and safe alternative to synthetic shampoos without significant skin irritation.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study evaluated the development of a herbal anti-dandruff shampoo using natural ingredients like fenugreek, curry leaves, and neem, finding it effective in reducing dandruff and nourishing the scalp without causing irritation, and suggesting it as a safe and economical alternative to synthetic shampoos.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers developed a herbal anti-dandruff shampoo utilizing natural extracts like fenugreek, curry leaves, and neem, finding it safe, effective, and stable for topical use, with the curry leaf variety showing superior cleansing performance.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study developed a low-viscosity triamcinolone acetonide serum, used with a derma stamp microneedling device, to improve targeted treatment of alopecia areata, reporting favorable drug solubility, spreadability, and permeation to hair follicles, while maintaining skin safety.
This study introduces a novel pro-drug formulation of all-trans retinoic acid that reduces skin inflammation and achieves sustained drug release over several days compared to traditional methods.
July 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” This study concluded that a new model of reconstructed human epidermis using keratinocytes from plucked hair follicles offers a less-invasive alternative to conventional skin-derived models for skin research.
10 citations
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January 2013 in “International Journal of Research in Pharmaceutical Sciences” This study found that a microemulsion containing extracts of Hibiscus rosa sinensis and Murraya koenigii was non-irritating and more effective at controlling hair loss than a standard marketed formulation.
1 citations
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August 2021 in “International journal of scientific research in science and technology” This study evaluated a polyherbal hair oil, containing natural ingredients like Hibiscus and Aloe Vera in a coconut oil base, for its phytochemical properties, antimicrobial activity, and potential to reduce dandruff and hair loss while promoting hair growth.
August 2023 in “International journal of basic and clinical pharmacology” This review article describes the ingredients and evaluation tests for formulating a hair serum aimed at improving hair growth and preventing hair loss, highlighting the roles of Citrus sinensis, Nigella sativa, flax seed, and coconut oil in addressing hair and scalp health.
30 citations
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May 1999 in “Food and chemical toxicology” This study suggests that topical procyanidin B-2 is safe for use as a hair growth agent, as it showed no mutagenic effects or significant irritation in a series of toxicological tests.
1 citations
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January 2022 in “Indonesian Journal of Pharmaceutical Science and Technology” This study evaluated a 20% cinchona extract cream and found it increased hair growth length and mass in guinea pigs, demonstrated good physical stability, and did not irritate rabbit skin.
2 citations
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March 2015 in “Toxicology and Environmental Health Sciences” This study found that rice bran supercritical CO₂ extract was classified as a non-irritant for ocular use but a moderate irritant for dermal use in rabbits and guinea pigs.
April 2016 in “Journal of The American Academy of Dermatology” Using a niacinamide cream can improve life quality for breast cancer patients during chemotherapy.
August 2025 in “Tropical Journal of Natural Product Research” This study found that aerosols formulated with celery extract and candlenut oil significantly stimulated hair growth in rabbits without causing skin irritation, suggesting their potential as natural and safe alternatives for treating alopecia.
34 citations
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September 1985 in “Contact Dermatitis” Minoxidil can cause skin irritation like eczema and rash in some users.
9 citations
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May 2015 in “Media Penelitian dan Pengembangan Kesehatan” This study found that a gel containing apigenin and celery juice improved hair growth in male Spraque-Dawley mice without causing significant skin irritation.
January 2025 in “Journal of Applied Pharmaceutical Science” This study examined the effectiveness of peppermint essential oil formulated into a nanoliposome gel for enhancing hair growth, finding that this preparation increased hair growth in male Sprague Dawley rats without causing irritation, suggesting it may improve delivery of these active ingredients.
25 citations
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May 2020 in “Progress in Organic Coatings” This study found that bio-based waterborne polyurethanes derived from castor oil may offer effective hair-styling performance without skin irritation and appear to be safer for the environment compared to traditional hair sprays.
37 citations
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October 2017 in “Saudi pharmaceutical journal” This study reports that six shampoo brands in Saudi Arabia generally comply with the national specifications, demonstrating good physicochemical properties such as foam stability and pH levels.
12 citations
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August 2017 in “Archives of Pharmacal Research” In this study, lecithin-based microparticle formulations of minoxidil showed enhanced skin penetration and comparable hair growth effectiveness to commercial products in mice, while minimizing skin irritation often seen with standard minoxidil solutions.
2 citations
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December 2021 in “Pharmaceutics” This study demonstrated that a finasteride-loaded proniosome significantly enhanced transfollicular delivery and hair growth in mice without causing skin irritation, with effects comparable to a 2% minoxidil solution.
December 2025 in “Jurnal Farmasi Tinctura” This study found that a hair tonic containing 15% ethanol extract of cocoa leaves effectively stimulated hair growth in rabbits, outperforming minoxidil 2%, and was safe with no skin irritation observed.