hair growth stimulant; hair loss medication
Refers to topical or oral products that promote hair growth or prevent hair loss; often used in medical, cosmetic, and commercial contexts.
This hair growth stimulant has been shown to be effective in clinical trials.
I bought a hair loss medication at the pharmacy.
育毛剤 focuses on nourishing existing hair and scalp, while 発毛促進剤 emphasizes stimulating new hair growth.
Compound of 発毛 (hair growth) + 促進 (promotion) + 剤 (agent/medicine).