30 citations,
May 1999 in “Food and chemical toxicology” Procyanidin B-2 is safe to use on skin as a hair growth product.
17 citations,
April 2015 in “Tropical Journal of Pharmaceutical Research” Asiasari Radix et Rhizoma is safe and has potential for new drug development due to its therapeutic properties.
43 citations,
January 1977 in “Toxicology and Applied Pharmacology” Minoxidil is mostly safe, but high doses can cause electrolyte imbalances and heart issues in dogs.
April 2025 in “BMC Chemistry” Thiadiazole chitosan conjugates improve hair manageability, moisture, and protection in conditioners.
November 2023 in “Deleted Journal” Cedrus libani has potential medicinal uses but needs more safety studies.