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.
For research purposes only.
This cheat sheet is a research reference only — not for human consumption or therapeutic use.
| Peptide | Purpose | Vial Size | BAC Water | Dosing | Frequency | Cycle |
|---|---|---|---|---|---|---|
ahk AHK-CuSkin | Skin & Hair Rejuvenation | 50 mg | N/A | 1–2 mg | Daily | 8–12 weeks |
sna SNAP-8Skin | Skin & Anti-Aging | 50 mg | N/A | 4 ppm topical | Daily | Ongoing |
ghk GHK-CuSkin | Longevity & Anti-Aging | 50 mg | 3 mL | 1-2 mg | 5 days on / 2 days off | 8–12 weeks |
MT-2 Melanotan IISkin | Skin & Sexual Health | 10 mg | 3 mL | 250–500 mcg | 1-2x/week | 1–2 weeks loading, then ongoing maintenance |
MT-1 Melanotan ISkin | Skin & UV Protection | 10 mg | 3 mL | 250–500 mcg | Daily | 2–4 weeks |
glw Glow BlendSkin | Longevity & Anti-Aging | 70 mg | 3 mL | 2 mg | 5 days on / 2 days off | 6–8 weeks |
klw Klow BlendHealing | Longevity & Anti-Aging | 80 mg | 3 mL | 2 mg | 5 days on / 2 days off | 6–8 weeks |
ahk
Skin
- Purpose
- Skin & Hair Rejuvenation
- Vial Size
- 50 mg
- BAC Water
- N/A
- Dosing
- 1–2 mg
- Frequency
- Daily
- Cycle
- 8–12 weeks
sna
Skin
- Purpose
- Skin & Anti-Aging
- Vial Size
- 50 mg
- BAC Water
- N/A
- Dosing
- 4 ppm topical
- Frequency
- Daily
- Cycle
- Ongoing
ghk
Skin
- Purpose
- Longevity & Anti-Aging
- Vial Size
- 50 mg
- BAC Water
- 3 mL
- Dosing
- 1-2 mg
- Frequency
- 5 days on / 2 days off
- Cycle
- 8–12 weeks
MT-2
Skin
- Purpose
- Skin & Sexual Health
- Vial Size
- 10 mg
- BAC Water
- 3 mL
- Dosing
- 250–500 mcg
- Frequency
- 1-2x/week
- Cycle
- 1–2 weeks loading, then ongoing maintenance
MT-1
Skin
- Purpose
- Skin & UV Protection
- Vial Size
- 10 mg
- BAC Water
- 3 mL
- Dosing
- 250–500 mcg
- Frequency
- Daily
- Cycle
- 2–4 weeks
glw
Skin
- Purpose
- Longevity & Anti-Aging
- Vial Size
- 70 mg
- BAC Water
- 3 mL
- Dosing
- 2 mg
- Frequency
- 5 days on / 2 days off
- Cycle
- 6–8 weeks
klw
Healing
- Purpose
- Longevity & Anti-Aging
- Vial Size
- 80 mg
- BAC Water
- 3 mL
- Dosing
- 2 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 is a copper-containing peptide that helps skin make more collagen and can encourage hair growth. It's used in creams and serums, not injections, mainly for anti-aging skincare and hair thinning.
Skin
sna
SNAP-8 is a topical peptide used in anti-wrinkle creams. It works by relaxing the tiny facial muscles that cause expression lines, and it's stronger than the similar ingredient Argireline.
Skin
ghk
Longevity
GHK-Cu is a copper peptide that helps repair and regenerate skin and hair. Most protocols start at 1 mg daily for the first two weeks, then move up to 2 mg, with a 3 to 4 week break between cycles.
Skin
MT-2
Sexual
Melanotan II triggers your skin to tan and offers some protection from UV rays by activating a pigment-producing pathway. People typically use it daily until they reach the tan they want, then cut back to once or twice a week to maintain it. Nausea and flushing are common early on, so many start at 100 to 250 mcg for the first few days and inject before bed on an empty stomach.
Skin
MT-1
Melanotan I helps your skin tan and offers some UV protection, with fewer side effects than Melanotan II. People usually use it daily until they get the tan they want, then use it less often to maintain it.
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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.






