Rubixyl

A peptide for the look of stressed skin

Rubixyl is a cosmetic solution of Hexapeptide-48 HCl in water and glycerin. The catalog INCI is Water, Glycerin, Hexapeptide-48 HCl. Its trade positioning sits in "stress-ageing" products, the serums and creams that speak to skin looking tired, dull or less resilient after busy periods, late nights and everyday environmental stress. CAS is shown as Mixture; the CAS for Hexapeptide-48 HCl was not verified in open registries, so it is listed as N/A.

What makes it different

Most hexapeptides in skin care are known for the look of expression lines or firmness. Rubixyl is positioned differently, around resilience and leave-on cosmetic use-looking skin, which gives brands a fresh headline active for night creams and "reset" serums. It is not Acetyl Hexapeptide-8 and not Palmitoyl Tripeptide-5, and it should not be described with their claims.

Formulating with Rubixyl

Process

Add the solution in the water phase during cool-down, below 40 °C, and mix gently. The glycerin vehicle blends easily into water-phase systems.

Bases

Night creams, overnight masks, essences and serums are natural homes. Record pH and viscosity before and after addition. Take the use level from the supplier documentation for your lot.

Pairing ideas

A leave-on cosmetic use-style night cream could pair Rubixyl with ceramide-rich lipids, D-Panthenol for comfort and Niacinamide for a more even look. For a broader age-care night serum, add a matrikine separately in cool-down.

Claims

Keep claims cosmetic: skin that looks rested, more resilient and less dull. Avoid wording about cortisol, stress hormones or biological age unless the supplier provides cosmetic test data, and then mirror that data exactly.

Stability and storage

Run stability in the final packaging at room temperature and 40 °C. Store tightly closed, cool and away from light, and refrigerate opened material where practical.

Example: overnight leave-on cosmetic use cream architecture

A leave-on cosmetic use-style overnight cream could combine a rich emulsion with skin-identical lipids, glycerin, panthenol, niacinamide and Rubixyl added after cooling, with a validated preservative. Exact levels come from the supplier documentation. A soft, cushioned texture and a calming, low-fragrance profile fit the positioning.

Positioning the product

Stress-ageing products work best when the story is simple: a night product used after demanding days. Packaging and routine instructions can carry that story, while claims stay focused on how the skin looks and feels in the morning.

Documents

Each lot ships with a CoA. Record appearance and pH on arrival and keep it with your batch records.

Ordering

It ships from Florida, usually within 1 to 2 business days, in the pack sizes shown above, and US shipping is free on orders of $50 or more. Browse all peptide solutions.