September 2014 in “Hair transplant forum international” Caffeine, niacinamide, and panthenol may improve hair growth, fullness, and healing when applied to the scalp.
October 2020 in “Veterinary Dermatology” New treatments and diagnostic methods for various animal skin conditions showed promising results.
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February 2022 in “Acta Biomaterialia” Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.
August 2025 in “Biomolecules” CBD may help with skin and hair issues, but more research is needed.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.