TEGO Pep 4-Even

TEGO Pep 4-Even at a glance

TEGO Pep 4-Even is a peptide for an even skin tone from Germany. Its INCI is Tetrapeptide-30, Glycerin. It is a colorless, water-soluble liquid used at 0.5 to 5% of the finished product, and the supplier's own testing was done at 2.5%. It is designed for all skin types. It must be stored cool, at 4 to 8 °C, in a tightly closed pack protected from light.

Tetrapeptide-30

Tetrapeptide-30 is a short chain of four amino acids. Peptides of this kind are called biomimetic, because they are built from the same building blocks as the skin's own proteins and signal molecules. Tetrapeptide-30 was developed to work on the pigmentation process of the skin. Unlike many classic brighteners, it is colorless, odorless and very easy to formulate, and it does not need a low pH.

What it does

The supplier lists a clear profile. The peptide visibly reduces the look of uneven patches, brightens the skin and makes the skin tone look more even. It works for all skin types, including darker skin tones, where uneven pigmentation is a common concern. It gently slows the pigmentation process and is kind to the skin. It also helps the skin feel calm and less reactive, which makes it a good choice for sensitive skin that does not tolerate strong brighteners.

Formulation advantages

TEGO Pep 4-Even shows good stability in formulas. It is compatible with sun filters, which allows brightening day creams with, the most logical product for an even tone. It is colorless and clear, so it does not change the look of a serum or gel.

How to formulate

Add the peptide to the water phase at cool-down, below 40 °C. Keep the finished product at about pH 5 to 7. Peptides are best kept away from strong acids and long heating. A brightening serum can combine TEGO Pep 4-Even with niacinamide and alpha-arbutin for a multi active approach. More peptides and brighteners are listed in the cosmetic actives section.

Dosing

Daily creams and lotions use 0.5 to 2%. Brightening serums and spot care use 2.5 to 5%. The supplier's testing level of 2.5% is a good starting point for a serum.

Product ideas

Brightening serums, tone evening day creams with, spot correcting serums, night creams for an even tone, hand creams for the look of age spots and body lotions for an even look are the main concepts.

Sample recipe: even tone peptide serum, 100 g

Distilled water 84.20 g, TEGO Pep 4-Even 2.50 g, niacinamide 4.00 g, glycerin 3.00 g, propanediol 3.00 g, hydroxyethylcellulose 0.80 g, panthenol 1.00 g, preservative 1.00 g, citric acid solution 0.50 g. Dissolve niacinamide in the water, disperse the cellulose, add glycerin, propanediol and panthenol, cool below 40 °C, add the peptide and the preservative, and adjust to about pH 6.

Sun exposure makes uneven patches look darker and undoes the work of brightening products. Because the peptide is compatible with sun filters, it can go straight into a day cream with. This gives consumers one product for the morning and a strong, logical claim for an even tone.

Darker skin tones

The supplier highlights results on darker skin tones, where uneven patches are common and many consumers look for gentle, non irritating options. A gentle serum with TEGO Pep 4-Even at 2.5% fits inclusive brightening lines.

Cold chain

The peptide must be stored at 4 to 8 °C. Plan cold storage in the warehouse and lab, and let the pack reach room temperature before opening to avoid condensation.

Storage

Store tightly closed in a dry place, protected from light, at 4 to 8 °C. A certificate of analysis comes with every lot.