Topical cosmetics and devices only — not for injection

Peptides, patches, serums, and needling — plus storage and hygiene. Research-only and injectable peptides are not sold.

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Peptides, patches, serums, and needling — leave-on cosmetics and devices. Research-only injectables are not sold.

Peptides

Professional facial needling pen, disposable micro-infusion, stamp head pack, and 3 mL cartridge injector.

Microneedling

How-to guides, FAQs, and how we talk about topical peptides.

Oils & tablets reference · not a peptide

Research onlyNot approved for human use

YK-11

Not sold. This page is literacy only — not a product listing, not medical advice, and not a protocol for use.

Chemical class

Steroidal myostatin-pathway research agent

Tablet / capsule

A steroidal compound marketed as a SARM. Not a peptide follistatin substitute.

Limited human data; androgen and liver risk assumed.

Not approved.

Not a registered sports or anti-ageing medicine in this presentation. Research-chemical and grey-market tablets are not sold here.