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I would like to ask which antioxidant ingredient is the best and which anti-irritant ingredient is the best. Also, which of the following solvents can dissolve L-ascorbic acid,...
Could you please review my anti-aging serum formula? I would like to confirm the compatibility and appropriate usage percentage for each ingredient, especially Allantoin. My...
Could you please explain the difference between Reservoir-Tech and Ethoxydiglycol? Can they be used together in a single formula? Which one is more suitable for a formula...
Which of the following solvents are permitted by the FDA for use in skin creams: * Chloroform * Dichloromethane * Ethyl Acetate * DMSO * Acetone
I am making a clear gel using `Ceteareth-25`, but it produces a lot of foam. I tried using `Silicone Shine` (Phenyl Trimethicone) to reduce the foam, which works, but it makes...
I have a base formula for a gel product with the following ingredients: * Purified Water * Pro Polymer Silk * Aloe Vera Extract * Panthenol * Allantoin * Phenoxyethanol Is this...
I have created a skincare formula and would like your opinion on it. My skin needs hydration, and I am also looking for benefits related to skin firmness and lifting. Please...
I would like a simple formulation for a shampoo that includes Argan Oil. I understand from the staff's reply that the benefits of adding Argan Oil to a wash-off product like...
I am making a men's hair pomade and would like recommendations for a mild, gentle fragrance, possibly similar to chrysanthemum tea. Could you suggest some options?
I understand that the FDA limits the use of `Ethoxydiglycol` to no more than 2.6%. Could you recommend other good alternative solvents and carriers, including those available...
My sunscreen formulation is sticky and not smooth. The formula includes Vitamin E at 1% and Vitamin B5 at 3%. What is causing this issue, and how can I adjust the formula to...
I want to create a formula containing **8% Ascorbyl Palmitate** along with water-soluble ingredients such as **L-Ascorbic Acid**, **Sodium PCA**, and **Inositol**. I understand...
Following advice to adjust a stick lipstick formula for a matte, long-lasting, non-drying finish, I am considering the following modifications: * Add `Polyethylene Wax` 5% *...
I am making a toner formulation that contains Rose Water and Witch Hazel. Is it necessary to add a preservative? Is Mild Preserved Eco at 1% suitable for this formula?
What is the INCI name for Reservoir-Tech?
I am formulating a Day Cream and plan to use BEMT (Tinosorb S) for UV protection. * Does BEMT cover both UVA and UVB rays? * BEMT is a powder; how should it be properly...
Based on the staff's recommendation to change Phenoxyethanol to Mild Preserved Eco 1% in a skin brightening and strengthening serum formulation: * Mild Preserved Eco cannot...
Can the product Vitamin C E Ferulic be applied directly to the skin at 100% concentration? Is this product a base that requires adding L-ascorbic acid (LAA) powder, or is it a...
When using Alpha Lipoic Acid (ALA) powder in cosmetic formulas, should it be dissolved in Propylene Glycol before adding? Is it necessary to dissolve it completely until clear,...
What is the appropriate mixing method (hand mixing vs. blender) for formulations using `Light Lotion Maker (Glyceryl Oleate Citrate)`? Does the required method depend on the...
