Skin & Hair Peptide Cheat Sheet

Reference guide for skin and hair peptides including GHK-Cu, AHK-Cu, SNAP-8, Melanotan I & II. Compare dosages, collagen-boosting benefits, and anti-aging mechanisms.

7 peptides·2 categories

For research purposes only.

This cheat sheet is a research reference only — not for human consumption or therapeutic use.

ahk

AHK-Cu

Skin

Purpose
Skin & Hair Rejuvenation
Vial Size
50 mg
BAC Water
N/A
Dosing
1–2 mg
Frequency
Daily
Cycle
8–12 weeks

sna

SNAP-8

Skin

Purpose
Skin & Anti-Aging
Vial Size
50 mg
BAC Water
N/A
Dosing
4 ppm topical
Frequency
Daily
Cycle
Ongoing

ghk

GHK-Cu

Skin

Purpose
Longevity & Anti-Aging
Vial Size
50 mg
BAC Water
3–4 mL
Dosing
2 mg
Frequency
5 days on / 2 days off
Cycle
6–8 weeks

MT-2

Melanotan II

Skin

Purpose
Skin & Sexual Health
Vial Size
10 mg
BAC Water
3 mL
Dosing
250–500 mcg
Frequency
Daily
Cycle
2–4 weeks

MT-1

Melanotan I

Skin

Purpose
Skin & UV Protection
Vial Size
10 mg
BAC Water
3 mL
Dosing
250–500 mcg
Frequency
Daily
Cycle
2–4 weeks

glow

Glow Blend (GHK-CU, BPC-157, TB-500)

Skin

Purpose
Longevity & Anti-Aging
Vial Size
35 mg+ blend
BAC Water
3–5 mL
Dosing
1–3 mg
Frequency
5 days on / 2 days off
Cycle
6–8 weeks

klow

Klow Blend (GHK-CU, KPV, BPC-157, TB-500)

Healing

Purpose
Longevity & Anti-Aging
Vial Size
35 mg+ blend
BAC Water
3–5 mL
Dosing
1–3 mg
Frequency
5 days on / 2 days off
Cycle
6–8 weeks

Download the Skin & Hair Peptide Cheat Sheet PDF

Save a free printable PDF of this peptide dosage cheat sheet — vial sizes, BAC water ratios, dosing amounts, and cycle lengths in one quick-reference chart.

Skin & Hair Peptide Cheat Sheet — Research Notes

Key considerations and protocol notes for each peptide in this cheat sheet.

Skin

ahk

Skin

AHK-Cu

AHK-Cu (Alanine-Histidine-Lysine-Copper) is a copper peptide that promotes collagen synthesis, hair follicle stimulation, and skin remodeling. It is primarily used topically for anti-aging skin care and hair regrowth support, and is not typically administered via injection.

Skin

sna

SNAP-8

SNAP-8 (acetyl octapeptide-3) is a topical peptide that mimics SNAP-25, relaxing facial muscles to reduce expression lines. More potent than Argireline (SNAP-6). Formulated into serums/creams at 4–10 ppm (0.0004–0.001%); used exclusively topically.

Skin

ghk

Longevity

GHK-Cu

Enhances skin regeneration

Skin

MT-2

Sexual

Melanotan II

Induces tanning and UV protection via MC1-R activation. Load daily until desired tan, then reduce to maintenance dosing (2–3×/week).

Skin

MT-1

Melanotan I

Induces tanning and UV protection with lower side effect profile than MT-II. Load daily until desired tan, then reduce to maintenance dosing.

Skin

glow

Skin

Glow Blend (GHK-CU, BPC-157, TB-500)

Skin and repair blend. Dose is based on GHK-Cu content in the specific blend formulation.

Healing

klow

Skin

Klow Blend (GHK-CU, KPV, BPC-157, TB-500)

Skin and repair blend. Dose is based on GHK-Cu content in the specific blend formulation.

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Frequently asked questions

What is a peptide dosage calculator?

A peptide dosage calculator is a free tool that converts your vial size, bacteriostatic water volume, and target dose into an exact syringe draw volume. Instead of doing the reconstitution math by hand, you enter three inputs and instantly get the concentration of your solution and how many milliliters or syringe units to draw. This calculator works for single peptide compounds and multi-peptide blends.

How do I calculate peptide dosage from a vial?

To calculate your peptide dose, divide the total peptide content of your vial in micrograms by the volume of bacteriostatic water you added in milliliters. This gives you your solution concentration in mcg/mL. Then divide your target dose by that concentration to get your draw volume. For example, a 5mg (5,000 mcg) vial reconstituted with 2mL of BAC water gives a concentration of 2,500 mcg/mL. A 250 mcg dose would require drawing 0.1mL. This calculator automates all of those steps instantly.

How much Bacteriostatic water should I add to a peptide vial?

Most people add 2mL to 3mL of bacteriostatic water per vial, but the right amount depends on the dose you want to draw and the syringe size you are using. Adding 1mL to a 5mg vial gives you a concentration of 5,000 mcg/mL, making each dose very small in volume. Adding 2mL gives you 2,500 mcg/mL, which is easier to measure on a standard insulin syringe. A general guideline is to choose a volume that puts your typical dose somewhere between 10 and 30 units on a U-100 syringe. Use the calculator above to test different water volumes and find what works for your dose.

How are peptides different from proteins?

Both are made of amino acids, but peptides are much smaller than proteins. Because of their tiny size, peptides can act like tiny messengers in the body, sending specific signals to your cells to tell them exactly what to do.​

Calculate peptide research quantities

Reference our peptide dosage, blend, and accumulation calculators for research purposes. Enter vial size, reconstitution volume, and target research quantity to calculate draw volumes instantly. For research use only — not administration or dosing guidance of any kind.