Tianqi trichogen boosts hair growth in animals without causing allergies.
January 1993 in “Side effects of drugs annual” Natural products like propolis are causing more skin allergies, and certain skin treatments and medications have various side effects and risks.
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January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
March 1988 in “Journal of The American Academy of Dermatology” The document concludes that misdiagnosis in skin conditions is common, certain treatments can cause allergic reactions, and some skin symptoms are linked to leukemia, especially in certain Japanese regions.
January 2011 in “Side effects of drugs annual” Tretinoin gel is safe for sun exposure, but tacalcitol doesn't significantly improve non-segmental vitiligo.