คำถาม-คำตอบ

What are the recommended broad-spectrum preservatives suitable for a **homemade herbal hair mask/cream** formulation? Since the formula contains herbal extracts, which increase...

I am planning to combine **Galactomyces Ferment Filtrate (Pitera)** with **Baby Face Protein (39 Amino Acids & Minerals)** in a cosmetic formulation (such as a serum or...

I am confused about the concentration of EGT-Max™ (Ergothioneine). Does the specification stating 0.3% pure EGT mean that 1 gram of EGT-Max™ contains 0.3% pure EGT, or does 5...

I am planning to create an anhydrous oil serum using the following formulation: * Jojoba Oil: 95% * Perfect-C™ (Ascorbyl Tetraisopalmitate): 5% I have two main questions...

I am creating an anhydrous oil formulation (containing no water). I need to adjust the pH of this oil formula to 5-5.5. What type of substance should I use to adjust the pH?

What is the required measurement wavelength (Optical Density or OD) for the **Protein Content Assay Kit (BCA)**, specifically the product with ID `112753`?

I am planning to formulate a sunscreen lotion using the following components: 1. `SPF Protect Ultra™ III (UVA+UVB)` 15% (Used to replace `SPF Protect Ultra™ II` 15%) 2. `Milk...

Should water-soluble coffee flavor, which is used in food applications, be stored in the refrigerator?

I am formulating a massage oil blend and need to color it pink. Which option is better for achieving a reliable pink shade in an oil blend: * Carmine (ID 31452) * Chili Extract...

I am planning to formulate a Vitamin C serum using ATIP (Perfect-C™). I am confused about the technical instructions for the product "Vitamin C E Ferulic (ID: 70)", which...

I am planning to formulate a body oil (anhydrous product) rather than a cream. Can **Phenylethyl Resorcinol (e.q. SymWhite 377)** be dissolved solely in oil for this purpose?

I am formulating a simple makeup remover using the following components: make up wash, glycerin, and water. Does this water-based formula require the addition of a preservative?

I plan to formulate a serum using the stable, oil-soluble Vitamin C derivative, Perfect-C™ (Ascorbyl Tetraisopalmitate, ATIP). I have several technical questions regarding its...

Could you please provide a comprehensive guide formula for a **Body Lotion Tone Up**? I am looking for a stable Oil-in-Water (O/W) emulsion formulation that utilizes a high...

I am trying to understand the product **Vitamin C E Ferulic (ID 70)**. Based on information I have read, can this product be used directly on the skin? Specifically, I need...

Please provide detailed product information, recommended usage instructions, and formulation suggestions for incorporating Ume Extract (Japanese Plum Extract) into a cosmetic...

I am formulating a Dry Brushing Toothpaste Gel. Can I use **3%** of `Hydroxyethyl Cellulose (HEC) (4500mPa.s)` to achieve the required thick gel texture?

I am formulating a facial skincare **oil gel** using 30% natural oils, with coconut oil as the main oil at 10%. I require a thixotropic agent that meets three critical...

I need assistance reviewing two oil-based formulations—a Cleansing Oil for makeup removal and a Shower Oil for body cleansing. Both formulas are designed for dry skin. Please...

We are developing a sunscreen formulation and aim to achieve a **powdery matte finish** with a **soft-focus** effect. We plan to use either WhiteMatte3™ or WhiteMatte10™ (Boron...