The Longevity Registry

§ — Researched for · Skin, hair & pigmentation

Peptides researched for skin, hair & pigmentation

Topical GHK-Cu is a legitimate cosmetic ingredient with small controlled trials behind it. Everything beyond that — injectable copper peptide, melanotan II for tanning — is either unstudied or subject to explicit FDA warnings, and the approved tanning-pathway drug, afamelanotide, is restricted to a rare genetic disease.

A
Approved drug with randomized controlled trials for the approved indication
B
Human clinical data exists, but no approval for the researched use
C
Animal or in-vitro data only, no controlled human trials
D
No published clinical data; use rests on anecdote

Reviewed October 2026 · Sources: FDA, EMA

02 — What is being studied

The research field, in plain terms.

Two distinct fields sit under one heading. Dermal matrix research studies copper tripeptide applied topically, with endpoints such as collagen density, wrinkle depth and photodamage measured in small controlled cosmetic trials. Pigmentation research studies melanocortin receptor agonists, where the measurable endpoint is melanin density and, in the approved case of afamelanotide, pain-free light exposure in erythropoietic protoporphyria.

The claims that travel furthest are the ones with the least behind them: systemic anti-aging from injected copper peptide, and hair regrowth. Neither has controlled human data. Melanotan II is not approved in any jurisdiction and has an adverse-event record including changing moles, nausea and reports of melanoma, which is why regulators have issued direct consumer warnings rather than reviewing it for compounding.

03 — The table

Every peptide in this group, with its status.

PeptideResearched forEvidenceRegulatory statusAs of
GHK-CuSkin aging, wound healing, hair growth, gene expression modulation.BNot an approved drug. Topical use is regulated as a cosmetic ingredient. The injectable form was removed from 503A Category 2 on April 15, 2026, and is scheduled for review by the advisory committee at a meeting before the end of February 2027. It is not on the 503A Bulks List.2026-10-22
Melanotan IISkin tanning, erectile dysfunction (abandoned development).DNot FDA-approved; FDA has issued consumer warnings. Removed from 503A Category 2 on April 15, 2026, and scheduled for review by the advisory committee before the end of February 2027. It is not on the 503A Bulks List.2026-10-22

04 — Per peptide

Status first, then research.

B

GHK-Cu

Regulatory status · United States · as of October 2026

Not an approved drug. Topical use is regulated as a cosmetic ingredient. The injectable form was removed from 503A Category 2 on April 15, 2026, and is scheduled for review by the advisory committee at a meeting before the end of February 2027. It is not on the 503A Bulks List.

Source: FDA 503A Bulks List · PCAC meeting records · verified October 2026

Researched forSkin aging, wound healing, hair growth, gene expression modulation.

Full profile: GHK-Cu →
D

Melanotan II

Regulatory status · United States · as of October 2026

Not FDA-approved; FDA has issued consumer warnings. Removed from 503A Category 2 on April 15, 2026, and scheduled for review by the advisory committee before the end of February 2027. It is not on the 503A Bulks List.

Source: FDA 503A Bulks List · PCAC meeting records · verified October 2026

Researched forSkin tanning, erectile dysfunction (abandoned development).

Full profile: Melanotan II →

05 — What the data does not show

The limits of this group.

Systemic anti-aging or hair regrowth by injection has not been shown; safe tanning via melanotan II has been contradicted by adverse-event reports.

06 — Questions for your physician

Six questions worth printing.

  1. 01What is your primary board certification, and in what year did you obtain it?
  2. 02Is this peptide approved for what you are prescribing it for — and if not, what is the legal basis on which you are supplying it?
  3. 03Which human trials support this use, and what were their size and duration?
  4. 04Where does the product come from, and can you show me a certificate of analysis for this batch?
  5. 05What outcome will we measure, when, and what happens if it does not improve?
  6. 06What is the total cost for the first three months, in writing?

Practices near you that offer peptide therapy

Every practice in the registry that lists peptide therapy, sorted by distance and nothing else. You contact the practice directly.

360 MD Austin

Austin, TX

Focus matches this goal: Concierge / Membership Model, Functional Medicine, GLP-1 / Medical Weight Management

Physician credentials on file

AgeReversalMD

La Jolla, CA

Focus matches this goal: Biological Age & Epigenetics, Cognition & Brain Health, Functional Medicine

No physician listed on the practice website

Anazao MD

Steamboat Springs, CO

Focus matches this goal: Cognition & Brain Health, Concierge / Membership Model, DEXA / Body Composition

Physician credentials on file

Angel Longevity Medical Center

Studio City, CA

Focus matches this goal: Biological Age & Epigenetics, Cryotherapy / Sauna / Red Light, Functional Medicine

No physician listed on the practice website

Austin Regenerative Therapy

Austin, TX

Focus matches this goal: Advanced Blood Biomarkers, Cancer Screening & Early Detection, Cognition & Brain Health

Physician credentials on file

BioReset Medical Palm Beach

North Palm Beach, FL

Focus matches this goal: Biological Age & Epigenetics, Cognition & Brain Health, Concierge / Membership Model

No physician listed on the practice website

Listed for transparency, not as an endorsement of any practice, substance or protocol. Most peptides are not FDA-approved for the uses they are offered for.

Reviewed October 2026 · Sources: FDA, EMA

This page reports on the state of research and regulation for orientation. It is not medical advice, not a recommendation for or against any substance, and not an offer. Regulatory status changes; the date shown is the date of our last verification. Discuss any treatment with a licensed physician.

Most peptides used in longevity practice are not FDA-approved for these uses. Check the status of each substance first.

Practices that offer peptide therapy