คำถาม-คำตอบ

I have purchased several water-soluble ingredients and would like to formulate a hydrating gel or serum specifically for very dry skin. I have the following ingredients: *...

How should I calculate the percentage of preservative needed in a cosmetic formulation? Should the percentage be based on the water phase or the total weight of the formula?...

I have an Aloe Vera gel base containing: * Aloe Vera Extract * Purified water * Pro Polymer * Phenoxyethanol * Lactic Acid I want to add the following active ingredients: *...

I am formulating a liquid coffee scrub soap using N 70 (SLES) thickened with Sodium Chloride. I added natural ingredients like coffee grounds, milk, honey, Thanaka, Turmeric,...

I would like Mandelic Acid to be available in large quantities. Please inform me if the store imports it.

I made a **Double Hyaluron** gel formulation. After adding **Eye Preserved™** (Polyaminopropyl Biguanide) down to the final step, the gel became cloudy and clumpy with white...

I have questions regarding the use of NaturePreserve in cosmetic formulations, specifically concerning pH adjustment and stability. 1. When mixing the water phase and adding...

How does pH affect the effectiveness of preservatives, and what is the correct timing to adjust the pH during the formulation process (before or after adding the preservative)?...

I want to make a whitening serum using **Aloe Vera Gel Base** and several active ingredients. I have the following ingredients: * **MSH White** * **Resorcinol** (Activated...

Regarding a slimming and firming cream formula containing Slim-Burn, Slim-Coffee (Coffee Extract), L-Carnitine, Ginger Oil, Sweet Almond Oil, Pure Aloe Vera Gel,...

What are the benefits of combining Sodium Lactate, Sodium PCA, and Urea in a formulation, and what are the recommended usage percentages for each ingredient, both individually...

I am making a lotion using various ingredients. I have a bottle of Rice Bran Oil with a guaranteed quality date of 04/2016. I would like to know: * How do I calculate the...

I have formulated a serum for combination skin prone to clogged pores, aiming for skin brightening. The current formula uses a Silky Serum Base and includes oils like Rosehip...

I am experiencing issues with the product Slim-Burn™. It has a strong odor, and the plastic packaging seems to be melted or softened.

What fragrances are recommended for use in face cream, and which types tend to be less overpowering and suitable for facial application?

What is the current stock availability and expected restock date for Argireline (Acetyl Hexapeptide-8)?

I have a few questions about adding active ingredients to existing bases: * If I want to add `Tranexamic Acid` to the `Vitamin C E Ferulic Pre-Mix Kit` at 3%, should I reduce...

I was trying to dissolve solid Zinc Ricinoleate in water, but it did not dissolve. I was previously informed by customer service that it could be dissolved in water. Can you...

I would like to inquire about the availability of **Gold Glitter Mica (Size D)** in retail size. If it is not available, could you please suggest alternative gold mica powders...

I am looking for a gel formula suitable for use with an ultrasonic facial massager. I need a formula that provides good conductivity for the ultrasonic waves, offers hydration,...