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My cream formulation using 5% Hi-Quercetin® (Onion Extract) is causing the cream and skin to turn yellow. How can I fix this issue in the existing batch? I previously...
I am developing a BHA toner formulation for acne and have some questions regarding ingredient substitution and effectiveness: 1. I currently use 3% regular BHA. I want to...
I am formulating an anti-aging gel containing DMAE. Can I use `TransDerm` base? If not, what base should I use instead, and how should I adjust the texture?
Could you provide a simple formulation for a makeup remover (cleansing water) using `MakeUp-Wash™ (PEG-6 Caprylic/Capric Glycerides)`? Please include the ingredients, mixing...
I want to make a water-based sunscreen using Zinc Oxide. 1. Can I make an effective sunscreen using just water, 20% Zinc Oxide, and Pro Polymer? 2. Should Micronized Zinc Oxide...
I have a question. Why does the product precipitate when pine bark extract is added? The pine bark extract does not dissolve into the gel texture. What should I do?
Regarding PHA (Gluconolactone), how do its antibacterial properties compare to AHA and BHA? Can PHA, AHA, or BHA be used as the sole preservative in cosmetic formulations for...
I have questions about formulating with Azelaic Acid (specifically the water-soluble form like `Liquid Azelaic™`). Based on the importance of precise measurement for...
My gel formulation liquefied after adding liquid DMAE, even though the gel formed correctly before. How can I fix this and restore the gel texture using Pro Polymer?
I am making a simple Hyaluronic Acid gel by mixing Hyaluronic Acid powder with water. Based on what I know, the resulting gel should be clear. However, the gel I made is...
Regarding the Vitamin C E Ferulic Kit: * Is it possible to add Repair Activator to this kit? * What effect does adding Repair Activator have on the stability of the Vitamin C...
I have two questions regarding formulations: 1. I want to create a thick cream texture that can be packaged in a jar. It should be oil-free and absorb quickly into the skin....
I have ordered the **Witch Hazel Alcohol-Free Toner** and understand that its natural scent is not very pleasant. 1. I want to add a scent to make it more appealing. There are...
My gel formulation containing Resveratrol and Soy Extract becomes cloudy when refrigerated. Is this normal, why does it happen (is it related to the solubility of genistein at...
Regarding Capryloyl Salicylic Acid (LHA) Liquid with 10% active LHA and Salicylic Acid (BHA): * What is the maximum recommended usage percentage for LHA/BHA on the face? * If...
Regarding makeup remover formulations: 1. If changing the formula to `water` + `Coco-Wash` + `MakeUp-Wash` (without `Propylene Glycol`), would it work? 2. If using another...
I have a formulation that contains both water and oil phases. 1. Can I use Laureth-23 as an emulsifier to combine the water and oil phases? 2. Can I also use Reshape Gel in...
Regarding the preservative `Phenoxyethanol`, what is the recommended usage rate in cosmetic formulations? For a 500g batch, how much should be used? Also, how does the use of...
How can I prepare a 0.4% solution of Hyaluronic Acid powder? What is the correct ratio of Hyaluronic Acid powder to water, and what is the recommended dissolution method?
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: *...
