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L-Lysyl-L-threonyl-L-threonyl-L-lysyl-L-serine (type I collagen-derived pentapeptide)
Purchase lab-tested KTTKS from verified vendors with Certificates of Analysis. Compare prices, check purity, and buy with confidence.
Why Buy KTTKS?
A cosmetic signal peptide fragment derived from type I collagen that is studied for supporting dermal matrix production. It is relevant to anti-aging and scar-reduction formulations because it may help stimulate fibroblast activity and collagen synthesis.
Half-Life
Minutes; short in topical formulations
Typical Dose
0.001-0.01% topical
Purity Standard
≥98%
Route
Topical
KTTKS Benefits & Research
collagen-support|fine-line-reduction|fibroblast-activation|dermal-firmness
KTTKS Dosing Protocol
0.001-0.01% topical serum or cream|1-10 μM in vitro testing|daily cosmetic application
Where to Buy KTTKS Online
Looking to buy KTTKS online? BuyPeptidesOnline.com connects you with verified, lab-tested peptide vendors who carry KTTKS (L-Lysyl-L-threonyl-L-threonyl-L-lysyl-L-serine (type I collagen-derived pentapeptide)). Every vendor in our verified vendor shop provides Certificates of Analysis (CoA) and undergoes third-party purity testing.
Before purchasing, we recommend reviewing the full KTTKS research profile which covers dosing protocols, mechanism of action, safety data, and stacking recommendations. You can also ask PeptideAI any specific questions about KTTKS.
KTTKS belongs to the Skin & Cosmetic category of peptides. Current research status: Pre-clinical. Referenced in 120+ research papers.
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Lab-tested, CoA-verified KTTKS available from our partner vendors. All vendors pass strict quality checks.
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120+ studies cited
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