Peptide Comparison
Myristoyl Pentapeptide-17vsSnap-8
Keratin-stimulating lipopeptide specifically designed to enhance eyelash and eyebrow growth through hair follicle activation.
An advanced 8-amino-acid peptide that relaxes facial muscles from the outside in—think of it as 'Botox in a bottle' that you apply to your skin to smooth expression lines without needles or injections.
At a Glance
Quick
comparison
Dose Range
Myristoyl Pentapeptide-17
0.01%–0.15% %
Snap-8
3–10 %
Frequency
Myristoyl Pentapeptide-17
Once daily
Snap-8
Once daily
Administration
Myristoyl Pentapeptide-17
Topical
Snap-8
Topical application
Cycle Length
Myristoyl Pentapeptide-17
Ongoing/indefinite
Snap-8
Ongoing/indefinite
Onset Speed
Myristoyl Pentapeptide-17
Moderate (1-2 weeks)
Snap-8
Moderate (1-2 weeks)
Evidence Level
Myristoyl Pentapeptide-17
Limited human trials
Snap-8
Moderate human trials (Phase 1-2)
Efficacy
Benefit
ratings
Eyelash Growth
Hair Strengthening
Safety Profile
Wrinkle Reduction
Muscle Relaxation
Skin Smoothing
Technical Data
Compound
specifications
Myristoyl Pentapeptide-17
Molecular Formula
C41H81N9O6
Molecular Weight
796.2 Da
Half-Life
Topical application; sustained follicular activity with daily reapplication
Bioavailability
Enhanced follicular penetration via myristic acid (C14) lipid conjugation
CAS Number
959610-30-1
Snap-8
Molecular Formula
C41H70N16O16S
Molecular Weight
1075.16 g/mol
Half-Life
Topical activity persists 12-24 hours on skin
Bioavailability
Penetrates stratum corneum; reaches viable epidermis with appropriate formulation
CAS Number
868844-74-0
Protocols
Dosing
tiers
Myristoyl Pentapeptide-17
Snap-8
Applications
Best
suited for
Myristoyl Pentapeptide-17
Individuals seeking longer, fuller eyelashes without prostaglandin-based prescriptions
Myristoyl Pentapeptide-17 is particularly well-suited for individuals focused on individuals seeking longer, fuller eyelashes without prostaglandin-based prescriptions. Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.
Those with naturally thin or sparse eyebrows wanting natural enhancement
Myristoyl Pentapeptide-17 is particularly well-suited for individuals focused on those with naturally thin or sparse eyebrows wanting natural enhancement. Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.
People recovering from lash or brow loss due to extensions, aging, or over-plucking
Myristoyl Pentapeptide-17 is particularly well-suited for individuals focused on people recovering from lash or brow loss due to extensions, aging, or over-plucking. Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.
Users wanting a gentle peptide-based alternative to bimatoprost (Latisse)
Myristoyl Pentapeptide-17 is particularly well-suited for individuals focused on users wanting a gentle peptide-based alternative to bimatoprost (latisse). Research and clinical experience suggest meaningful benefits in this area when used as part of a comprehensive treatment approach.
Snap-8
Expression Line Fighters
If you've noticed those lines that form when you smile, frown, or squint are starting to stick around even when your face is relaxed, Snap-8 is designed exactly for this. It works on the muscle-skin connection that creates these dynamic wrinkles.
Botox-Curious but Needle-Shy
Love the idea of smoother skin but not ready for injections? Snap-8 offers a topical alternative that works through a similar mechanism as Botox—just gentler and without the commitment. Perfect for testing the waters of muscle-relaxing anti-aging.
Prevention-Focused Millennials
Starting in your late 20s or early 30s with preventive skincare? Snap-8 can help keep expression lines from becoming permanent fixtures by calming the repetitive muscle movements that eventually etch wrinkles into your skin.
Sensitive Skin Types
Unlike some anti-aging actives that can be harsh, Snap-8 is remarkably well-tolerated. If retinoids make your skin angry or acids cause irritation, peptides like Snap-8 offer effective anti-aging without the drama.
Safety Profile
Side
effects
Myristoyl Pentapeptide-17
Common
- Mild Tingling at Lash Line
- Temporary Eyelid Dryness
- Product Residue Buildup
- Lash Shedding During Initial Phase
Uncommon
- Periorbital Sensitivity
Serious
- Allergic Contact Reaction
- Lipid Peroxidation and Oxidative Stress
Snap-8
Common
- Mild tingling sensation
- Temporary redness
- Skin dryness
Uncommon
- Contact irritation
- Skin tightness
Serious
- Allergic reaction
Research Status
Safety
& evidence
Myristoyl Pentapeptide-17
Evidence Level
Limited human trials
FDA Status
Research compound
Safety Overview
Myristoyl pentapeptide-17 demonstrates excellent cosmetic safety with GRAS/safe-for-use status in topical formulations up to 3% concentration. No serious adverse events in 10+ years of cosmetic industry application; mild skin irritation rare (<1%) at recommended concentrations. Dermal penetration limited to epidermis; no systemic absorption in vitro. Well-tolerated in combination with other anti-aging ingredients; photostability adequate for cosmetic formulations.
Contraindications
- xKnown hypersensitivity to myristoylated peptides or formulation components
- xActive eye infections, styes, or periorbital dermatitis
- xPost-surgical eye conditions where topical application is contraindicated
- xConcurrent use of prescription eyelash growth products without medical guidance
Snap-8
Evidence Level
Moderate human trials (Phase 1-2)
FDA Status
Not FDA approved
Safety Overview
Snap-8 has an excellent safety profile backed by extensive cosmetic industry testing. As a topical peptide, it works locally on the skin without systemic absorption, making it much safer than injectable alternatives. Clinical studies show it's well-tolerated even with long-term daily use, with adverse events limited to occasional mild skin irritation in sensitive individuals. It's considered safe for most skin types and has been used in cosmetic formulations worldwide since the mid-2000s.
Contraindications
- xKnown allergy to peptide ingredients
- xActive skin infections at application site
- xOpen wounds or severe skin irritation
- xPregnancy (as a precaution due to limited data)
Decision Guide
Which is
right for you?
Choose Myristoyl Pentapeptide-17 if...
- Individuals seeking longer, fuller eyelashes without prostaglandin-based prescriptions
- Those with naturally thin or sparse eyebrows wanting natural enhancement
- People recovering from lash or brow loss due to extensions, aging, or over-plucking
- Users wanting a gentle peptide-based alternative to bimatoprost (Latisse)
Choose Snap-8 if...
- Wrinkle reduction
- Expression line smoothing
- Preventive anti-aging
- Non-invasive cosmetic enhancement