Other Name: Tegopep; skin lightening peptide

Molecular Weight: 500.59

Appearance: White powder

Purity: >98%

Package: 10MG/bottle; 1G/bottle; 5G/bottle

*Tetrapeptide-30 is a new peptide that can balance skin tone.

There are a variety of mechanisms for brightening skin tone,including reducing or inhibiting tyrosinase activity, preventing 

the transfer of melanin to keratinocytes and inhibiting melanocyte activation.

Tetrapeptide in skin care to inhibits the up-regulation of matrix metalloproteinase-1 (MMP-1) by skin fibroblasts, which are 

caused by direct exposure to ultraviolet rays or treatment with an ultraviolet-treated keratinocyte-regulated medium.

They are suitable for the treatment of inflammatory skin diseases and as active ingredients in skin care products.

★What is Tetrapeptide-30?

Tetrapeptide‑30 is a synthetic bioactive cosmetic peptide mainly used in high‑end skincare formulations. 

It works by regulating melanin production and transfer, helping to improve uneven skin tone, fade dark spots and dullness, 

and enhance overall skin brightness with gentle and stable effects.

★What are the main skincare benefits of Tetrapeptide-30?

This peptide effectively brightens dull skin, reduces the appearance of dark spots, sun spots and post‑inflammatory 

hyperpigmentation, inhibits excessive melanin synthesis, evens skin tone, and supports skin barrier health. It delivers 

mild brightening results without strong irritation, making it suitable for long‑term use in daily skincare products.

★What is the recommended usage rate of Tetrapeptide‑30 in cosmetics?

The typical recommended concentration for Tetrapeptide‑30 in cosmetic formulations is 0.001% – 0.01% (10–100 ppm). 

It can be widely applied in serums, essences, creams, lotions, facial masks and eye care products to achieve ideal 

brightening and anti‑pigmentation effects.

★Is Tetrapeptide‑30 suitable for sensitive skin?

Yes, Tetrapeptide‑30 is mild, non‑irritating and well‑tolerated by most skin types, including sensitive skin. 

It does not cause obvious redness, peeling or sensitization, which makes it a safe and popular brightening 

ingredient for gentle and effective skincare formulas.

★What pH range is Tetrapeptide‑30 stable in?

Tetrapeptide‑30 performs stably in formulations with a pH range of 4.5 – 7.0, and the optimal pH range for 

maintaining its activity is 5.0 – 6.5. It is compatible with most conventional water‑based, gel and emulsion 

systems under appropriate conditions.

★Can Tetrapeptide‑30 be used with other active ingredients?

Tetrapeptide‑30 has excellent compatibility and can be used together with many common cosmetic actives 

such as niacinamide, alpha arbutin, hyaluronic acid, vitamin C derivatives and other peptides. There are no 

known major incompatibilities with mainstream cosmetic raw materials, allowing flexible formula combination.