3 citations
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January 2019 in “Research journal of pharmacy and technology” The hair tonic with menthol grew longer hair, but both formulas had similar overall hair growth.
6 citations
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January 2018 in “Journal of Cutaneous and Aesthetic Surgery” ACD-A gives the highest platelet count for hair rejuvenation, but Sodium Citrate results in less contamination, making it higher quality.
February 2024 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Argan, avocado, and coconut oils are absorbed into hair, improving hydration and protection.
January 2025 in “Journal of Controlled Release” A new microneedle patch helps treat hair loss by improving drug delivery to hair follicles.
2 citations
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August 2013 in “British Journal of Dermatology” Chemotherapy improved a girl's painful foot condition linked to pachyonychia congenita.
December 2023 in “Research Square (Research Square)” 12-Methoxy carnosic acid from rosemary might be a good natural treatment for hair loss.
June 2021 in “Journal of Pharmaceutical Care Anwar Medika” The hair tonic made from cayenne pepper leaf extract is physically stable and suitable for use.
9 citations
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March 1993 in “Biochemical Pharmacology” Rat skin can convert minoxidil into its active form, aiding hair growth.
12 citations
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December 1962 in “Journal of Investigative Dermatology” 
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” PRP may be more effective and satisfying for hair regrowth than minoxidil, with similar safety.