New ingredients - GHK-Cu or Acetyl Tetrapeptide-3?
    Research/Science 2/2/2026

    At a glance
    In this question or advice post, the primary subjects mentioned are the tone is 😐 neutral with ineffective for GHK-Cu and Acetyl Tetrapeptide-3 results.

    Other terms

    GHK-Cu and Acetyl Tetrapeptide-3 are ineffective for hair regrowth according to user experiences. Effective treatments mentioned are finasteride, dutasteride, and minoxidil.
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      community Upcoming and current hair growth stimulants (2026)

      in Research/Science  89 upvotes 1 month ago
      The conversation discusses various hair growth treatments, including topical and oral minoxidil, microneedling, LLLT, PRP, exosomes, latanoprost, copper peptides, and upcoming treatments like PP405 and Vdphl01. It also covers managing side effects of minoxidil, such as dry scalp, and mentions the use of dutasteride and finasteride for hair loss.

      community IGF-1 and Peptides? Miracle molecule waiting to be found

      in Research/Science  10 upvotes 6 months ago
      The conversation discusses potential hair loss treatments focusing on stimulating IGF-1 at the follicle level using growth-factor cocktails and engineered peptides, such as Acetyl Tetrapeptide-3, Copper Tripeptide-1, Oligopeptide-20, Thymosin-β4, and Palmitoyl Tetrapeptide-7. It suggests that device-assisted delivery methods like microneedling may enhance effectiveness.

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