The conversation is about the potential benefits of Rapamycin for hair pigmentation and regeneration, based on effects observed in mice. The original poster is seeking personal experiences from others using Rapamycin for longevity.
The conversation discusses the potential of topical rapamycin, metformin, and alpha-ketoglutarate (a-KG) for hair growth, with skepticism expressed about their effectiveness based on personal experience and existing use. It also mentions AICAR, known as cardarine or GW, which is not suitable for long-term use due to cancer risks in animal studies and its similarity to metformin.