Here are some resources about caffeine shampoo products for women's hair that help restore hair after thinning or hair loss. They work for men's baldness too.
Stimulate your scalp with OGX Anti-Hair Fallout Niacin3 + Caffeine Shampoo, a powerful blend of niacin3 + caffeine, AlphaHydroxy Acid & natural DHT blocker, to encourage a healthy scalp environment and help prevent hair fallout caused by breakage.
The caffeine in these Plantur 39 Phyto-Caffeine Shampoos prevent the hormone-induced exhaustion of hair production. During hair washing, the active ingredient penetrates all the way into the hair follicle (detectable after 120 seconds).