Starting price | $15–$39/month | $88/month | $24–$149/month | $16–$30/month |
Active ingredients | Minoxidil, finasteride | Ashwagandha, saw palmetto, vitamin E, marine collagen peptides, curcumin | Minoxidil, finasteride, dutasteride, spironolactone | Minoxidil, tretinoin, and melatonin |
Effectiveness | Effective | Moderately effective | Effective | Effective |
Form | Foam, liquid serum, oral | Capsule | Liquid serum, oral | Liquid serum, oral |