So far, so good. I've been using this solution along with the hair pill (and a red light laser cap) for a little over 2 months and I DEFINITELY notice my hair getting thicker and healthier. I've been struggling with androgenetic alopecia for a few years now and nothing I was doing was really working, but this combo I think is hitting the mark. The hair solution has a smell to it, and it definitely leaves your hair a bit greasy, so not something I can put on my scalp and call it a day. I mostly use it at night and wash my hair in the morning. I'll keep using this combo for sure though!