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Formulating Gel Sunscreen with Physical Filters: Addressing White Cast and Dispersion
I am trying to formulate a gel sunscreen with SPF 50++++ and aloe vera for use on both face and body. I am using physical sunscreens like Titanium Dioxide and Zinc Oxide, along...
Whitening Serum Formulation with Water-Capsule: Mixing, Compatibility, and Texture
I am developing a whitening serum formulation using Water-Capsule and Light Cream Maker (or Pro Polymer) as emulsifiers. My formula includes ingredients like Ethyl Ascorbic...
Adding Ingredients to Aloe Vera Gel Base with SPF and PowderCream
I am using a base mixture of Aloe Vera Gel with 20% SPF Protect Ultra™ and 10% PowderCream™. Can I add more ingredients to this base? If so, how much more can I add, and what...
Ineffectiveness of Herbal Extracts/Powders in High pH Handmade Soap and PE-1 Aqua Penetration
Can herbal extracts and powders be added to handmade bar or liquid soap made with Sodium Hydroxide or Potassium Hydroxide? Would adding PE-1 Aqua help these ingredients...
Plastic Pump Compatibility with L-Ascorbic Acid Serum
I am using a 12% L-ascorbic acid serum and received a plastic pump bottle cap as a free gift. The original cap was a glass dropper. I like the idea of using the pump to avoid...
Viscosity Loss in Facial Cleanser with Phenoxyethanol and Salt
I am making a facial cleanser with the following formula: * Water: 84% * BabyFoam: 10% * AminoWash: 5% * Phenoxyethanol: 1% * Salt: a small amount to thicken * Lactic Acid: to...
Formulation Questions on Oily Skin, Peptide Concentration, and W/O SPF Base
**Question 1:** For oily skin, when using Powder Cream and Matte Silica to improve skin feel for various oil-soluble ingredients and oils, such as Activated Resorcinol (4-butyl...
Minimum Water Percentage in Face Cream and its Effect on Texture
What is the minimum percentage of water required in a face cream formulation, and how does the water content affect the cream's texture and suitability for different skin types?
Formula for Clear, Easily Washable Massage Oil
How can I create a clear, odorless massage oil that can be washed off immediately with water? I understand that Mineral Oil is a clear, odorless base oil. What ingredient...
Serum Formulation for Melasma, Dark Spots, and Whitening
I am developing a serum formulation aimed at addressing melasma, dark spots, wrinkles, and dryness. I have included the following ingredients. Could you please review the...
Mixing Procedure for Multi-Ingredient Cream/Serum
Hello, I previously inquired about this formula and the ingredients are confirmed. Could you please provide detailed instructions on the mixing procedure, specifically the...
Formula Adjustment for Steroid-Dependent Skin and Acne Breakout
I have a friend with steroid-dependent skin who developed redness and sun sensitivity. I created a formula that helped improve these symptoms within 11 days, but now she is...
Recommended Usage Rate for Rice Bran Oil in Face Cream
What is the recommended usage rate for Rice Bran Oil (High Omega, Refined) when formulating a face cream? The product information states it can be used from 1-100%, but what is...
Foundation Cream Formulation for Wrinkle Coverage
How can I formulate a flesh-colored foundation cream that provides wrinkle coverage? What types of ingredients are recommended for achieving good adherence and spreadability?...
Ingredient Compatibility in Different Soap Types
What ingredients can be added to different types of soap formulation (e.g., Cold Process, Melt-and-Pour, Liquid Soap)?
Sleeping Mask Formulation for Oily Skin and Scar/Spot Treatment
I need guidance on formulating a sleeping mask for oily skin prone to acne scars and dark spots. * How can I achieve a texture similar to a thick yet lightweight gel/cream?...
Severe Burning and Irritation from Doctor-Prescribed Medication
I am experiencing severe burning, stinging, pain, and heat on my face, especially on my cheekbones, after using medication prescribed by a doctor for just a few days. The...
Adjusting Gel Formula for Oily Skin (Ingredients & pH)
How to adjust a gel formula for oily skin to restore, brighten, reduce oil, and strengthen the skin? The formula includes Azelaic Acid, Onion Extract, Panthenol, Glycerin, and...
Alpha Arbutin Effectiveness: Switzerland vs China
Is Alpha Arbutin from Switzerland the same effectiveness as Alpha Arbutin from China when used in cosmetic formulations? What are the differences between the types offered...
Questions about Activated Resorcinol S, Full & Lift™, and Pentylene Glycol in Formulations
I have questions about several ingredients for my formulations: * Can Activated Resorcinol S (water-soluble version) be used with PE-1 Aqua? * When dissolved in a gel formula,...