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Skin & Recovery

KLOW

Four-peptide blend for skin and recovery

Four-peptide blend · GHK-Cu / BPC-157 / TB-4 / KPV

A four-peptide skin-and-recovery blend in one vial — GHK-Cu, BPC-157, TB-4 and KPV at a fixed 50/10/10/10 ratio.

€119.9980 mg · LyophilizedIn stock

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Purity 99%+ HPLC

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Documentation CoA included

For laboratory and in vitro research use only. Not for human or veterinary use, and not for use in diagnostic procedures.

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ClassFour-peptide blend (GHK-Cu 50 / BPC-157 10 / TB-4 10 / KPV 10 mg)

Half-lifeMixed (per component)

CategorySkin & Recovery

Price€119.99

🧾 View Certificate of Analysis

About KLOW

KLOW combines four peptides in a single lyophilized vial at a fixed 50/10/10/10 mass ratio (80 mg total): GHK-Cu for collagen, BPC-157 for blood supply, TB-4 for cell migration and KPV for inflammation. The idea is to cover several parts of the skin-and-repair picture in one preparation rather than relying on a single compound.

You anchor your draw to one lead peptide — GHK-Cu for skin, BPC-157 for recovery — and the other three scale with it. PX1 Labs supplies KLOW at 99%+ identity purity by HPLC, with a lot-specific Certificate of Analysis in every order.

What it's known for

KLOW is best known as a skin and recovery blend. Here is what each component is most associated with. (Supplied for laboratory research use only; not an approved medicine.)

GHK-Cu — collagen

The largest share (50 mg) — best known for collagen and skin structure.

BPC-157 — blood supply

Associated with new blood-vessel formation that repair depends on.

TB-4 — cell migration

Full-length thymosin β4 — linked with moving repair cells and organised healing.

KPV — inflammation

An anti-inflammatory fragment — the piece that sets KLOW apart from the GLOW blend.

KLOW explainers

Curated clips from across social media.

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How it works

KLOW is not one mechanism but four complementary ones: GHK-Cu builds collagen, BPC-157 supports blood supply, TB-4 drives cell migration and KPV calms inflammation. The idea is to cover several skin-and-repair bottlenecks in a single preparation.

What the evidence shows

There are no human studies on the blend itself — the rationale comes from each component's research (see their pages) and practitioner use. Component evidence varies: more for GHK-Cu, less human data for KPV and TB-4. Not an approved medicine.

An educational summary, not a treatment claim or medical advice.

Side effects & safety

Reference information — not medical adviceSummarised from public research literature. PX1 Labs products are supplied for laboratory research use only; not for human or veterinary use.

Commonly reported

Injection-site redness or irritation
Transient fatigue or head-rush
Mild GI upset

Cautions & contraindications

Combines GHK-Cu, BPC-157, TB-4 and KPV — all component cautions apply
Pro-angiogenic components; avoid with active cancer
No human trials of the blend
Avoid in pregnancy/breastfeeding

Reference protocols

Reference only — not a recommendationThe figures below are commonly cited in public and community references. They are provided for reference and comparison only — not a dosing instruction, recommendation, or medical advice. PX1 Labs products are supplied for laboratory research use only; not for human or veterinary use.

Context	Commonly cited amount	Frequency
Skincare — GHK-Cu anchor	2 mg GHK-Cu (others 0.4 mg each)	daily
Recovery — BPC-157 anchor	0.5 mg BPC-157 (others ~0.5 mg)	daily

Reconstitution example: Skincare: 80 mg vial + 2.5 mL → 0.1 mL (10 units). Recovery: 80 mg + 2 mL → 0.1 mL (10 units).

Commonly cited as 8–12 weeks active, then a break or 2–3x/week maintenance.

Work out your own draw in the calculator →

What researchers commonly report — by week

Commonly reported, not guaranteedThese timelines summarise what self-experimenters and widely available community sources describe. Individual results vary widely, many notice nothing on this schedule, and these are not promised outcomes. Reference information only — not medical advice. PX1 Labs products are supplied for laboratory research use only.

Week 1–2

Early skin calm and recovery support reported (GHK-Cu · BPC-157 · KPV · TB-500).

Week 3–4

Skin quality and easing of a targeted issue commonly noted.

Week 6–8

Cumulative skin and recovery results reported.

Specifications

Every PX1 Labs lot is independently verified before dispatch. The figures below describe the product class; exact lot-specific results are documented on the Certificate of Analysis included with your order.

Compound class	Four-peptide blend (GHK-Cu 50 / BPC-157 10 / TB-4 10 / KPV 10 mg)
CAS number	—
Molecular weight	80 mg total (50/10/10/10)
Identity purity	99%+ (HPLC)
Identity confirmation	Mass spectrometry
Presentation	80 mg lyophilized powder
Physical form	Sterile-filtered, freeze-dried
Storage	2-8°C; -20°C long term
Documentation	Lot-specific Certificate of Analysis

Documentation & quality

KLOW passes the same five-stage PX1 quality process applied to every product: HPLC potency analysis, mass-spectrometry identity and purity confirmation, pH and stability validation, sterility and endotoxin (LAL) testing, and QC batch-consistency verification.

A lot-specific Certificate of Analysis ships with every order. The lot number printed on your vial matches the lot ID on the document, so the material on your bench can always be checked against the data on file.

KLOW — questions

What's in KLOW?

Four peptides in one vial at a fixed 50/10/10/10 ratio (80 mg total): GHK-Cu 50 mg, BPC-157 10 mg, TB-4 10 mg, KPV 10 mg. The added KPV is what distinguishes it from the GLOW blend.

How is KLOW reconstituted?

As a single 80 mg lyophilized vial — anchor your draw to one peptide and the rest scale with it. The reconstitution calculator has a KLOW blend mode. Reconstitute only in an appropriate laboratory setting following your own validated protocol.

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