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I followed all the steps in a video to make a cream. Everything seemed fine until I added the preservative. After adding the preservative, the cream became liquid and spoiled,...
What ingredients are used in a powder mask formulation that, when mixed with water, becomes a thick gel and then solidifies into a peelable film when dry? Specifically, how...
My cream/lotion formulation **pills** ("กลายเป็นขี้ไคล") when massaged onto the skin. I am using a handheld blender and have tried different emulsifiers. * With **Light Cream...
I have goat milk powder that has turned yellow. I store it in a clear sachet. Why did it turn yellow, and is a clear sachet suitable packaging? I understand that ingredients...
I have two questions about PE-1 Aqua: 1. Does PE-1 Aqua reduce the absorption of oil-soluble active ingredients? 2. Does PE-1 Aqua dissolve in water, especially in a formula...
Regarding a formulation containing **AHA 10%** and **BHA 2%**: 1. Would a pH of 4.08 be sufficiently effective? 2. Is it better to adjust the pH of the product to 3.5?
I need advice on formulating a car wax. My current base is made of: * Carnauba Wax 50% * Fractionated Coconut Oil 20% * Olive Oil 30% The resulting texture is not a soft cream...
I have a formula for a "whitening Day&Night Cream (for Normal Skin)" and would like advice on adjusting its texture and the correct mixing procedure. I want the cream to have a...
I made an AHA 5% cream using 'Light Cream Maker'. The initial pH was 2.7. When I adjusted the pH to 3.5 using Triethanolamine, the cream turned liquid. * Why did this happen? *...
I have developed a cream formulation to treat melasma, freckles, dark spots, dry skin, and wrinkles. Could you please review the formula below and provide feedback on its...
What are water-based skincare products (essences)? How do they compare to creams and gels in terms of texture and composition? What about their absorption and efficacy,...
I have a serum formulation and would like to know if it can be mixed, if pH adjustment is necessary, and what the shelf life is, especially regarding Vitamin C degradation....
Can `Ceramide Complex` be used in a hot process formulation? If so, at which step should it be added, considering its properties?
How to use Disodium EDTA in a formulation? What is the recommended percentage, and how should it be mixed?
What is the main ceramide in the product CeraTouch? What are the differences between Ceramide 1, 3, and 6 II, particularly regarding their absorption into the skin?
Based on the following ingredient list, which ingredients are negatively charged (anionic)? Ingredients: * Water (Aqua) * Butylene Glycol * Glycerin * Calendula Officinalis...
I have a liquid product that separates into two layers. When shaken, it turns milky, but then separates again over time. The pink color seems to stay only in the oil layer. Can...
What is the status of the gel-type stabilized vitamin C product, Natural-C Glycol™? Has it been discontinued, and if so, why?
My `Pro Polymer™ Silk` powder has hardened. What is the cause of this hardening, and can I still use the product? If so, how should I incorporate the hardened powder into my...
Hello, I'm a beginner. Could you please answer my question? Regarding the **container** for mixing Double Hyaluronic Acid, can I use a glass beaker and stir with a glass rod...
