Acetyl Tetrapeptide-9 Powder, IO

What 9837 is

Peptide 9837 is sold here as a dry powder whose INCI is Acetyl Tetrapeptide-9, CAS 928006-50-2. It is a short acetylated peptide that supplier literature connects with lumican, a proteoglycan of the skin matrix. Proteoglycans are proteins with sugar chains that help organize collagen fibers into a regular network, so the peptide belongs to the matrix-themed family. This page sells the powder by the gram, which gives you the pure active without any carrier.

Properties

Brands present Acetyl Tetrapeptide-9 as an ingredient for skin that looks denser, firmer and smoother, particularly in mature skin where the look of thickness and resilience declines. The powder dissolves in water and gives a clear solution, so it suits transparent serums as well as creams. It is used at low levels, which keeps the cost per finished unit reasonable.

Applications

Firming serums, night creams, eye contour creams, neck and decolletage products and premium ampoules are typical uses. It combines well with other matrix peptides such as Palmitoyl Tripeptide-38 Powder and with Palmitoyl Tripeptide-28 Powder for a multi-target firming product. See more dry peptides in our peptide powders section.

How to dissolve and add it

Weigh the powder with a balance reading to 0.001 g. Dissolve it fully in a small amount of distilled water until clear. Add the dissolved peptide to the cooled batch below 40 °C and mix gently. Do not reheat. The card does not state an use percentage; follow the CoA for your lot and keep the finished pH in a mild range close to skin.

Products for mature skin

Mature skin products need comfort as well as actives. Combine Acetyl Tetrapeptide-9 with humectants such as glycerin and hyaluronic acid, with emollients such as squalane and with barrier lipids such as ceramides. Choose rich textures for night and lighter fluids for day. Pump packaging keeps the product clean, and a clear, readable label helps an audience that values simplicity. For neck and decolletage products, a slightly lighter texture than a night face cream spreads more easily over a larger area, and a subtle fragrance makes the routine feel pleasant rather than a chore. Suggest upward strokes during application.

Compatibility

Acetyl Tetrapeptide-9 is compatible with glycerin, hyaluronic acid, panthenol, niacinamide, allantoin, plant extracts and other peptides. It suits gels, serums and oil-in-water emulsions. Avoid strong acids, strong bases, oxidizers and long heating. Copper peptides belong in a separate product. When combining it with vitamin C derivatives, check the pH of the finished product carefully.

Characteristics

Form: powder, confirm the exact appearance on the CoA. INCI: Acetyl Tetrapeptide-9. CAS: 928006-50-2. Solubility: water. Addition point: cool-down after full dissolution.

Original recipe: firming neck cream, 100 g

Phase A: distilled water 68.40 g, glycerin 5.00 g, xanthan gum 0.20 g. Phase B: glyceryl stearate and PEG-100 stearate 5.00 g, cetyl alcohol 1.50 g, squalane 6.00 g, caprylic/capric triglyceride 6.00 g, shea butter 2.00 g. Heat An and B to 75 °C, emulsify and cool. Phase C below 40 °C: 9837 Powder 0.02 g dissolved in distilled water 2.98 g, niacinamide 1.00 g, panthenol 1.00 g, preservative 0.90 g. Mix until smooth and adjust pH to about 5.8.

Record the lot number of Acetyl Tetrapeptide-9 Powder in your batch log so every production run can be traced back to its certificate of analysis.

Record the lot number in your batch log so every production run can be traced back to its certificate of analysis. Retain a small sample of each lot for at least the shelf life of the finished product, since it makes later quality questions much easier to answer.

Storage

Keep the powder sealed, cool and dry, protected from light and humidity. Allow the container to reach room temperature before opening. Ships from Florida in gram packs.