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An essential vasodilator with some anti-androgenic effects, has excellent safety record
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a topical anti-androgen with less systemic involvement
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a synthetic anti-androgen and weak progestogen that inhibits DHT binding to androgen receptor
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Research
5 / 770 resultsresearch Equivalent chemotherapy efficacy against leukemia in mice treated with topical vasoconstrictors to prevent cancer therapy side effects
Topical vasoconstrictors do not reduce chemotherapy effectiveness against leukemia in mice.
research Epinephrine Vasoconstriction Effect Time in the Scalp Differs According to Injection Site and Concentration
Higher epinephrine concentration and specific injection sites increase scalp vasoconstriction time.
research Scalp Analysis with Multiparametric Ultrasound before and after Application of Cosmetic with Vasoconstrictor Active
Multiparametric ultrasound effectively monitors scalp changes after using vasoconstrictive cosmetics.
research Minoxidil and male-pattern alopecia: a potential role for a local regulator of sebum secretion with vasoconstrictive effects?
Minoxidil, a common hair loss treatment, might work by counteracting a hormone that reduces hair growth and promotes hair loss.
research 3212 Isolated basilar artery reversible cerebral vasoconstriction syndrome associated with finasteride and vaping
RCVS should be considered in thunderclap headaches, and MRA and DSA are better for diagnosis than CT angiogram.
Community Join
5 / 60 resultscommunity Does drinking coffee offset the effects of Minoxidil?
The conversation discusses whether drinking coffee affects the hair growth benefits of Minoxidil, with one user mentioning that Minoxidil's vasodilation is stronger than caffeine's vasoconstriction, and another sharing personal experience of better hair growth after quitting caffeine while on Minoxidil.
community Is it Ritalin? (23 F)
A user suspects Ritalin is causing hair loss due to vasoconstriction and is considering trying Ginkgo Biloba after already taking a multivitamin and hair supplement. Another user mentions experiencing hair shedding with Vyvanse and Dexedrine.
community Does nicotine have an effect on hair despite using finasteride?
Nicotine may negatively affect hair by reducing blood flow due to its vasoconstrictor properties, but its impact might be minimal. Finasteride users are advised to avoid nicotine to prevent potential hair loss issues.
community Topical caffeine is a common ingredient in formulas to prevent hair loss and to induce hair regrowth. (What’s your take on this?)
The conversation discusses whether topical caffeine is effective for hair loss, with some users questioning its role due to its vasoconstrictive and vasodilative properties, while another suggests that temporary vasoconstriction might be beneficial by promoting angiogenesis. Specific treatments mentioned include caffeine shampoo, which one user believes is ineffective.
community Why can't you drink caffeine after PRP?
The conversation discusses avoiding caffeine after Platelet-Rich Plasma (PRP) treatment for hair loss because caffeine is a vasoconstrictor, which can reduce blood flow and hinder the healing process that PRP aims to promote.